Lead Full Stack Engineer (C#/.NET & React)

🏢 Summary: Permanent hybrid role for a Lead Full Stack Engineer to lead development of a mission-critical trading and payments platform, combining hands-on coding with team leadership. The position focuses on building scalable microservices-based solutions using .NET, React, and Azure while introducing agent-based engineering workflows across the SDLC. The role includes ownership of architecture, delivery quality, and implementation of AI-powered development practices. 🗂️ Requirements: Proven experience as Senior or Lead Full Stack Engineer, Experience leading and managing small engineering teams, Strong proficiency in C# and .NET, Experience building RESTful APIs, Hands-on experience with React and TypeScript, Experience with Azure cloud services, Knowledge of microservices and cloud-native architecture, Experience with CI/CD pipelines and automated testing, Experience working in Agile/Scrum environments, Hands-on experience with agentic development tools, Ability to evaluate and validate AI-generated code, Bachelor’s degree in Engineering or relevant experience 📃 Skills: C#, .NET, ASP.NET, React, TypeScript, JavaScript, HTML5, CSS, SASS, Azure, Kubernetes, Docker, Rancher, Kafka, AMQP, CQRS, MongoDB, SQL, PostgreSQL, Git, CI/CD, AzureDevOps, GitHub, Claude, Copilot 🏢 Description: Overview Permanent, full-time, hybrid Connecting clients to markets – and talent to opportunity. With 4,300 employees and over 400,000 retail and institutional clients from more than 80 offices spread across five continents, we’re a Fortune-100, Nasdaq-listed provider, connecting clients to the global markets – focusing on innovation, human connection, and providing world-class products and services to all types of investors. Whether you want to forge a career connecting our retail clients to potential trading opportunities, or ingrain yourself in the world of institutional investing, The StoneX Group is made up of four segments that offer endless potential for progression and growth. Business Segment Overview: A Swift-accredited service bureau and member, our Payments division provides NGOs, institutions and non-profits the ability to make a local difference, globally – with transparent pricing across 180+ countries and 140+ currencies. Technology Ecosystem: Languages & Frameworks: Back End: C#, .NET 9, ASP.NET Front End: React, TypeScript/JavaScript (ES6+), HTML5, and CSS/SASS. Architecture: Microservices, Event-driven (Kafka, AMQP), CQRS Cloud & Infra: Azure, Kubernetes, Docker, Rancher Databases: MongoDB, MS SQL Server, PostgreSQL Tooling: Git, Visual Studio, VS Code, Rider, Copilot, CI/CD pipelines (Azure DevOps, GitHub) Responsibilities Position Purpose: We are seeking a Lead Full Stack Engineer to head the development of Connect, a mission-critical platform enabling trading, pricing, and more for our clients. This role combines hands-on engineering excellence with team leadership, making it ideal for someone who thrives in a high-impact environment, enjoys full stack development, and is motivated to grow people as well as products. As Lead, you will manage a small, agile team of around five engineers, while also contributing directly to the technical direction and codebase. You will be accountable for engineering quality, delivery predictability, and team growth, ensuring that the team operates effectively and efficiently. This is a career-defining opportunity for an experienced full stack engineer with strong .NET, React, and Azure expertise to step into a leadership role with direct people management. Primary duties will include: Lead and manage a cross-functional scrum team of ~5 engineers, fostering a culture of collaboration accountability, and continuous improvement. Guide software design and architecture decisions to ensure scalable, robust, and maintainable solutions. Own the refinement process - break down complex features into clear, actionable development tasks. Contribute production-ready code while setting high standards in testing, CI/CD, and documentation. Act as a technical mentor, supporting professional growth and upskilling within the team. Drive delivery predictability and ensure commitments are met, partnering closely with Product and QA engineers. Communicate progress, risks, and technical decisions clearly to engineering leadership and stakeholders. Stay ahead of emerging technologies, especially within .NET, React, and Azure ecosystems, and recommend improvements to tools and practices. Agentic Development Leadership: This is the major differentiator of the role. Introduce, design, and operationalize agent-based engineering workflows across the SDLC. Use tools such as Claude Code, capable of repository-wide reasoning, automated refactoring, debugging, and commit generation to accelerate engineering throughput. Build “agent-ready” codebases through modular design, clean documentation, and comprehensive test coverage — key enablers of successful agentic development. Actively contribute to and/or lead the new agentic development team for Payments (e.g., new wallet solution POC). Evaluate AI-generated code for quality, correctness, architectural alignment, and security. Develop internal best practices, training materials, and standards for agent-accelerated engineering. Qualifications To land this role you will need : Proven experience as a Senior or Lead Full Stack Engineer, with demonstrated success leading small teams. Strong proficiency in C#/.NET for backend development, including building and maintaining RESTful APIs. Hands-on expertise with React and modern frontend practices (TypeScript, component-driven design, state management). Experience with Azure cloud services (App Services, Functions, Kubernetes, etc.) and cloud-native architecture. Deep understanding of system architecture, scalable design patterns, and performance optimization across the stack. Ability to facilitate refinement sessions and translate product requirements into technically sound, manageable work. Strong grounding in CI/CD pipelines, automated testing, and DevOps principles. Excellent communicator, able to inspire and guide technical teams while also engaging effectively with non-technical stakeholders. Comfortable working in Agile environments with cross-functional teams. Agentic Development Skills: (What makes this role unique) Hands-on experience with agentic development tools such as Claude Code, Copilot Workspace, or equivalent. Ability to orchestrate multi-agent workflows (refactoring, debugging, dependency updates, code generation). Deep understanding of how design quality affects agent output (modularity, documentation, test coverage). Experience evaluating and validating AI-generated code. Ability to build frameworks, patterns, and tooling for agent-powered engineering at scale. Education / Certification Requirements: Bachelor’s degree or higher in Engineering (Computer Systems, Software, IT&T, Systems) or relevant experience. Working environment: FTE (UoP). Hybrid at ul. Mogilska 35 – we have private parking for employees.

🏢 Summary: Lead Fullstack Engineer role responsible for driving the technical direction and evolution of an FX Payments platform using .NET, React, and Azure. Combines hands-on development with team leadership, architectural ownership, and implementation of AI-assisted engineering practices. Focused on scalable cloud-native systems, delivery excellence, and measurable productivity improvements. 🗂️ Requirements: Significant experience as Senior or Lead Fullstack Engineer, Strong expertise in C# and .NET for backend APIs and distributed systems, Hands-on experience with React and TypeScript in modern frontend architectures, Experience with Azure cloud services and containerized workloads, Knowledge of scalable system design and distributed architecture, Experience with CI/CD pipelines and automated testing, Hands-on use of AI-assisted development tools, Ability to review and validate AI-generated code, Experience leading engineering teams in Agile environments, Bachelor’s degree in Information Technology 📃 Skills: C#, .NET, React, TypeScript, Azure, Kubernetes, CI/CD, REST, Microservices, GitHub, Copilot, Claude, Docker, SQL, DevOps 🏢 Description: Overview Permanent, full-time, hybrid Connecting clients to markets – and talent to opportunity. With 5,400+ employees and over 80,000 institutional, commercial, and payments clients, we operate from more than 80 offices spread across six continents. As a Fortune 100, Nasdaq-listed provider, we connect clients to the global markets – focusing on innovation, human connection, and providing world-class products and services to all types of investors. Whether you want to forge a career connecting our retail clients to potential trading opportunities, or ingrain yourself in the world of institutional investing, StoneX Group is made up of four business segments that offer endless potential for progression and growth. Business Segment Overview: A Swift-accredited service bureau and member, our Payments division provides NGOs, institutions and non-profits the ability to make a local difference, globally – with transparent pricing across 180+ countries and 140+ currencies. Responsibilities Position Purpose: We are seeking a Lead Fullstack Engineer to lead the FX Payments engineering team through the next stage of platform evolution. This role combines: Hands-on fullstack engineering (.NET, React, Azure) Direct people leadership of a scrum team (~5 engineers) Architectural ownership of a critical product domain Operationalization of agentic development practices within the team You will be accountable for engineering quality, delivery predictability, and team capability growth — while driving the practical adoption of agent-powered workflows that measurably improve productivity and code quality. This is a high-impact leadership role for a senior engineer ready to shape both systems and engineering culture. Key Responsibilities will include: 1. Technical & Architectural Leadership Own the technical direction of FX Payments within your domain. Lead design and evolution of scalable, maintainable fullstack solutions using: C# / .NET (backend APIs and services) React / TypeScript (modern frontend architecture) Azure cloud-native services Ensure architectural decisions support performance, resiliency, observability, and regulatory compliance. Conduct structured design reviews and maintain architectural documentation and ADRs. Drive modernization of legacy components toward modular, testable, cloud-ready patterns. 2. Agentic Development Leadership This is a defining aspect of the role. Introduce and standardize agent-based engineering workflows within the team (e.g., Claude Code, Copilot Workspace, or equivalent). Enable the team to safely leverage AI agents for: Code refactoring Test generation Debugging assistance Documentation improvement Dependency upgrades Ensure all AI-generated code is reviewed rigorously for: Architectural alignment Security vulnerabilities Regulatory compliance Maintainability Improve the “agent-readiness” of the codebase through: Modular design Clear domain boundaries Strong test coverage High-quality documentation Establish team-level best practices for safe, auditable AI-assisted development. Partner with Principal Engineers and platform leaders to align with broader agentic engineering standards. Your objective is not experimentation alone — but measurable improvements in throughput, quality, and developer effectiveness within your domain. 3. Delivery Ownership & Execution Excellence Lead and manage a cross-functional scrum team (~5 engineers). Drive effective refinement — translating product requirements into clear, technically sound work items. Maintain predictable delivery through disciplined planning, risk management, and dependency tracking. Contribute production-ready code across backend and frontend components. Ensure strong CI/CD, automated testing, and deployment hygiene. Partner closely with Product, QA, and Architecture stakeholders. 4. People Leadership & Engineering Culture Provide direct people management, coaching, and performance feedback. Mentor engineers in: System design Clean coding standards Cloud-native patterns Responsible use of agentic tooling Build a culture of ownership, accountability, and continuous improvement. Encourage experimentation with guardrails — balancing innovation with production stability. Identify skill gaps and support targeted upskilling (including AI-augmented engineering practices). Qualifications To land this role you will need: Core Fullstack Engineering Significant experience as a senior or lead fullstack engineer. Strong backend expertise in C# / .NET (REST APIs, distributed systems). Deep hands-on experience with React and modern frontend architecture (TypeScript, component-driven design, state management). Azure cloud experience (App Services, Functions, Kubernetes, containerized workloads). Strong understanding of scalable system design, performance tuning, and distributed architecture. Experience with CI/CD pipelines, automated testing frameworks, and DevOps practices. Agentic Development Capabilities Hands-on experience using AI-assisted development tools (e.g., Claude Code, GitHub Copilot, Copilot Workspace, or equivalent). Ability to guide a team in adopting AI tools responsibly within enterprise environments. Understanding of how modular architecture, documentation quality, and test coverage impact AI agent effectiveness. Experience reviewing and validating AI-generated code for correctness and maintainability. Strong judgment in balancing acceleration with governance and security. Leadership & Collaboration Proven experience leading small engineering teams. Strong facilitation skills for refinement and technical discussions. Ability to communicate architectural decisions and delivery risks clearly. Experience working in Agile, cross-functional environments. Strong stakeholder management and collaboration skills. Education / Certification Requirements: Bachelor’s degree in information technology. Working environment: Hybrid 4-days in office.

🏢 Summary: Lead Fullstack Engineer role driving the evolution of an FX Payments platform, combining hands-on development with team leadership and architectural ownership. The position focuses on building scalable cloud-native solutions using .NET, React, and Azure while introducing AI-assisted development practices. Responsible for delivery quality, system modernization, and measurable improvements in engineering productivity. 🗂️ Requirements: Significant experience as Senior or Lead Fullstack Engineer, Strong expertise in C# and .NET for REST APIs and distributed systems, Deep hands-on experience with React and TypeScript, Experience with Azure cloud services and containerized workloads, Strong knowledge of scalable system design and distributed architecture, Experience with CI/CD pipelines and automated testing, Hands-on experience with AI-assisted development tools, Experience leading and mentoring engineering teams, Bachelor’s degree in Information Technology 📃 Skills: C#, .NET, React, TypeScript, Azure, Kubernetes, Docker, CI/CD, REST, Git, Copilot, Claude, Agile 🏢 Description: Overview Permanent, full-time, hybrid Connecting clients to markets – and talent to opportunity. With 5,400+ employees and over 80,000 institutional, commercial, and payments clients, we operate from more than 80 offices spread across six continents. As a Fortune 100, Nasdaq-listed provider, we connect clients to the global markets – focusing on innovation, human connection, and providing world-class products and services to all types of investors. Whether you want to forge a career connecting our retail clients to potential trading opportunities, or ingrain yourself in the world of institutional investing, StoneX Group is made up of four business segments that offer endless potential for progression and growth. Business Segment Overview: A Swift-accredited service bureau and member, our Payments division provides NGOs, institutions and non-profits the ability to make a local difference, globally – with transparent pricing across 180+ countries and 140+ currencies. Responsibilities Position Purpose: We are seeking a Lead Fullstack Engineer to lead the FX Payments engineering team through the next stage of platform evolution. This role combines: Hands-on fullstack engineering (.NET, React, Azure) Direct people leadership of a scrum team (~5 engineers) Architectural ownership of a critical product domain Operationalization of agentic development practices within the team You will be accountable for engineering quality, delivery predictability, and team capability growth — while driving the practical adoption of agent-powered workflows that measurably improve productivity and code quality. This is a high-impact leadership role for a senior engineer ready to shape both systems and engineering culture. Key Responsibilities will include: 1. Technical & Architectural Leadership Own the technical direction of FX Payments within your domain. Lead design and evolution of scalable, maintainable fullstack solutions using: C# / .NET (backend APIs and services) React / TypeScript (modern frontend architecture) Azure cloud-native services Ensure architectural decisions support performance, resiliency, observability, and regulatory compliance. Conduct structured design reviews and maintain architectural documentation and ADRs. Drive modernization of legacy components toward modular, testable, cloud-ready patterns. 2. Agentic Development Leadership This is a defining aspect of the role. Introduce and standardize agent-based engineering workflows within the team (e.g., Claude Code, Copilot Workspace, or equivalent). Enable the team to safely leverage AI agents for: Code refactoring Test generation Debugging assistance Documentation improvement Dependency upgrades Ensure all AI-generated code is reviewed rigorously for: Architectural alignment Security vulnerabilities Regulatory compliance Maintainability Improve the “agent-readiness” of the codebase through: Modular design Clear domain boundaries Strong test coverage High-quality documentation Establish team-level best practices for safe, auditable AI-assisted development. Partner with Principal Engineers and platform leaders to align with broader agentic engineering standards. Your objective is not experimentation alone — but measurable improvements in throughput, quality, and developer effectiveness within your domain. 3. Delivery Ownership & Execution Excellence Lead and manage a cross-functional scrum team (~5 engineers). Drive effective refinement — translating product requirements into clear, technically sound work items. Maintain predictable delivery through disciplined planning, risk management, and dependency tracking. Contribute production-ready code across backend and frontend components. Ensure strong CI/CD, automated testing, and deployment hygiene. Partner closely with Product, QA, and Architecture stakeholders. 4. People Leadership & Engineering Culture Provide direct people management, coaching, and performance feedback. Mentor engineers in: System design Clean coding standards Cloud-native patterns Responsible use of agentic tooling Build a culture of ownership, accountability, and continuous improvement. Encourage experimentation with guardrails — balancing innovation with production stability. Identify skill gaps and support targeted upskilling (including AI-augmented engineering practices). Qualifications To land this role you will need: Core Fullstack Engineering Significant experience as a senior or lead fullstack engineer. Strong backend expertise in C# / .NET (REST APIs, distributed systems). Deep hands-on experience with React and modern frontend architecture (TypeScript, component-driven design, state management). Azure cloud experience (App Services, Functions, Kubernetes, containerized workloads). Strong understanding of scalable system design, performance tuning, and distributed architecture. Experience with CI/CD pipelines, automated testing frameworks, and DevOps practices. Agentic Development Capabilities Hands-on experience using AI-assisted development tools (e.g., Claude Code, GitHub Copilot, Copilot Workspace, or equivalent). Ability to guide a team in adopting AI tools responsibly within enterprise environments. Understanding of how modular architecture, documentation quality, and test coverage impact AI agent effectiveness. Experience reviewing and validating AI-generated code for correctness and maintainability. Strong judgment in balancing acceleration with governance and security. Leadership & Collaboration Proven experience leading small engineering teams. Strong facilitation skills for refinement and technical discussions. Ability to communicate architectural decisions and delivery risks clearly. Experience working in Agile, cross-functional environments. Strong stakeholder management and collaboration skills. Education / Certification Requirements: Bachelor’s degree in information technology. Working environment: Hybrid 4-days in office.

🏢 Summary: Permanent hybrid role for a Mid Fullstack Engineer responsible for designing, building, and enhancing scalable, business-critical applications across C#/.NET backend and React frontend. The position involves end-to-end feature ownership, AI-assisted development, and collaboration within Agile teams to deliver high-quality, cloud-oriented solutions. The engineer contributes to architecture, testing, CI/CD, and continuous improvement across the stack. 🗂️ Requirements: 3–6 years professional software engineering experience, Strong knowledge of C# and .NET, Experience with ASP.NET Core and Web APIs, Experience with React and TypeScript, Experience designing and consuming RESTful APIs, Experience with relational databases and data modeling, Knowledge of clean code principles and automated testing, Experience with Git and CI/CD pipelines, Hands-on use of AI-assisted coding tools, Ability to review and validate AI-generated code 📃 Skills: C#, .NET, ASP.NET, React, TypeScript, REST, SQL, SQLServer, Git, CI/CD, Azure, Docker, Microservices, Claude, Copilot 🏢 Description: Overview Permanent, full-time, hybrid Connecting clients to markets – and talent to opportunity. With 5,400+ employees and over 80,000 institutional, commercial, and payments clients, we operate from more than 80 offices spread across six continents. As a Fortune 100, Nasdaq-listed provider, we connect clients to the global markets – focusing on innovation, human connection, and providing world-class products and services to all types of investors. Whether you want to forge a career connecting our retail clients to potential trading opportunities, or ingrain yourself in the world of institutional investing, StoneX Group is made up of four business segments that offer endless potential for progression and growth. Business Segment Overview: A Swift-accredited service bureau and member, our Payments division provides NGOs, institutions and non-profits the ability to make a local difference, globally – with transparent pricing across 180+ countries and 140+ currencies. Responsibilities Position Purpose: We are seeking a Mid Fullstack Engineer to design, build, and enhance scalable, business-critical applications across backend and frontend layers. This role is ideal for an engineer who: Works confidently across C#/.NET backend and React frontend Owns features end-to-end with minimal supervision Raises quality and engineering discipline within their squad Effectively leverages AI-assisted development tools to improve productivity and maintainability As a Mid Fullstack Engineer, you are a strong, autonomous contributor and an emerging technical leader within your team. You combine solid fullstack expertise with disciplined engineering practices and pragmatic adoption of agentic development workflows. Key Responsibilities will include: 1. Fullstack Development & Feature Ownership Contribute across the full software development lifecycle — from refinement and technical design through implementation, testing, deployment, and production support. Build and maintain backend services using C# and .NET ( ASP.NET Core, Web APIs). Develop modern frontend components using React and TypeScript. Design and consume RESTful APIs, ensuring clear and stable contracts between frontend and backend. Work with databases and data models to ensure performance, integrity, and reliability. Own medium-sized features end-to-end across the stack. Write clean, modular, and testable code with appropriate unit and integration tests. Participate actively in code reviews and architectural discussions. You are expected to deliver independently while contributing to continuous improvement of the overall system. 2. Agentic Development Application (Squad-Level Optimization) Agent-augmented engineering is an expected capability at this level. Actively use AI-assisted development tools (e.g., Claude Code, GitHub Copilot, or equivalent) to: Accelerate feature implementation across backend and frontend Generate and improve unit/integration tests Refactor components and services Assist in debugging and issue investigation Improve documentation and code clarity Critically evaluate and validate AI-generated code before committing it to production. Ensure AI-assisted output aligns with: Established architectural patterns Security and compliance standards Maintainability expectations Contribute to making the codebase more “agent-ready” by: Improving modularity and separation of concerns Strengthening TypeScript typing and API contracts Increasing automated test coverage Reducing unnecessary coupling Share effective AI-assisted development practices with teammates. You are an advanced practitioner of agentic tools who improves how your squad leverages them safely and effectively. 3. Delivery & Collaboration Collaborate closely with Product, QA, DevOps, and senior engineers to deliver high-quality features. Participate in story refinement, estimation, and technical breakdown. Identify and surface technical risks early. Support production systems through debugging and root cause analysis. Contribute to CI/CD pipelines and ensure reliable deployments. You help strengthen delivery predictability and engineering quality within your team. 4. Technical Growth & Influence Demonstrate strong ownership and accountability across frontend and backend components. Provide thoughtful, constructive code reviews that improve quality. Mentor junior engineers informally where appropriate. Continuously improve your fullstack expertise and understanding of cloud-native patterns. Stay current with evolving .NET, React, Azure, and AI-assisted development practices. You are progressing toward broader architectural influence and cross-team impact (Senior trajectory). Qualifications To land this role you will need: Fullstack Engineering 3–6 years of professional software engineering experience with meaningful fullstack exposure. Strong working knowledge of C# and .NET ( ASP.NET Core, Web APIs). Solid experience building frontend applications with React and TypeScript. Experience designing and consuming RESTful services. Familiarity with relational databases (e.g., SQL Server) and basic data modeling. Understanding of clean code principles, maintainable design, and automated testing. Experience using Git, CI/CD pipelines, and modern development workflows. Agentic Development Capabilities Hands-on experience using AI-assisted coding tools (e.g., GitHub Copilot, Claude Code, or equivalent). Ability to evaluate AI-generated backend and frontend code critically. Understanding of how modular design, strong typing, documentation, and test coverage improve AI tool effectiveness. Pragmatic mindset — using AI to accelerate delivery without compromising quality or security. Collaboration & Mindset Strong team collaboration and communication skills. Ability to take feedback constructively and improve continuously. Growth mindset with ambition to expand technical ownership and cross-stack expertise. Comfortable working in Agile, cross-functional environments. Nice to Have Exposure to Azure or other cloud platforms. Experience with Docker, microservices, or distributed systems. Familiarity with CI/CD pipelines and automated testing frameworks. Experience contributing to shared component libraries or frontend standards. Interest or exposure to financial services, payments, or trading platforms. Working environment: Hybrid 4-days in office with private parking for employees.

🏢 Summary: Permanent, full-time hybrid role for a Mid Fullstack Engineer responsible for designing, building, and enhancing scalable, business-critical applications across C#/.NET backend and React frontend. The position involves end-to-end feature ownership, REST API development, database work, CI/CD contribution, and AI-assisted development practices. The engineer collaborates in Agile squads to deliver high-quality, cloud-oriented solutions with strong engineering standards. 🗂️ Requirements: 3–6 years professional software engineering experience, Strong knowledge of C# and .NET, Experience with ASP.NET Core and Web APIs, Experience with React and TypeScript, Experience designing and consuming RESTful APIs, Experience with relational databases and data modeling, Knowledge of clean code and maintainable design principles, Experience with automated testing (unit and integration), Experience with Git and CI/CD pipelines, Hands-on use of AI-assisted coding tools, Ability to review and validate AI-generated code, Experience working in Agile environments 📃 Skills: C#, .NET, ASP.NET, React, TypeScript, REST, SQL, SQLServer, Git, CI/CD, Azure, Docker, Microservices, AI, Copilot, Claude 🏢 Description: Overview Permanent, full-time, hybrid Connecting clients to markets – and talent to opportunity. With 5,400+ employees and over 80,000 institutional, commercial, and payments clients, we operate from more than 80 offices spread across six continents. As a Fortune 100, Nasdaq-listed provider, we connect clients to the global markets – focusing on innovation, human connection, and providing world-class products and services to all types of investors. Whether you want to forge a career connecting our retail clients to potential trading opportunities, or ingrain yourself in the world of institutional investing, StoneX Group is made up of four business segments that offer endless potential for progression and growth. Business Segment Overview: A Swift-accredited service bureau and member, our Payments division provides NGOs, institutions and non-profits the ability to make a local difference, globally – with transparent pricing across 180+ countries and 140+ currencies. Responsibilities Position Purpose: We are seeking a Mid Fullstack Engineer to design, build, and enhance scalable, business-critical applications across backend and frontend layers. This role is ideal for an engineer who: Works confidently across C#/.NET backend and React frontend Owns features end-to-end with minimal supervision Raises quality and engineering discipline within their squad Effectively leverages AI-assisted development tools to improve productivity and maintainability As a Mid Fullstack Engineer, you are a strong, autonomous contributor and an emerging technical leader within your team. You combine solid fullstack expertise with disciplined engineering practices and pragmatic adoption of agentic development workflows. Key Responsibilities will include: 1. Fullstack Development & Feature Ownership Contribute across the full software development lifecycle — from refinement and technical design through implementation, testing, deployment, and production support. Build and maintain backend services using C# and .NET ( ASP.NET Core, Web APIs). Develop modern frontend components using React and TypeScript. Design and consume RESTful APIs, ensuring clear and stable contracts between frontend and backend. Work with databases and data models to ensure performance, integrity, and reliability. Own medium-sized features end-to-end across the stack. Write clean, modular, and testable code with appropriate unit and integration tests. Participate actively in code reviews and architectural discussions. You are expected to deliver independently while contributing to continuous improvement of the overall system. 2. Agentic Development Application (Squad-Level Optimization) Agent-augmented engineering is an expected capability at this level. Actively use AI-assisted development tools (e.g., Claude Code, GitHub Copilot, or equivalent) to: Accelerate feature implementation across backend and frontend Generate and improve unit/integration tests Refactor components and services Assist in debugging and issue investigation Improve documentation and code clarity Critically evaluate and validate AI-generated code before committing it to production. Ensure AI-assisted output aligns with: Established architectural patterns Security and compliance standards Maintainability expectations Contribute to making the codebase more “agent-ready” by: Improving modularity and separation of concerns Strengthening TypeScript typing and API contracts Increasing automated test coverage Reducing unnecessary coupling Share effective AI-assisted development practices with teammates. You are an advanced practitioner of agentic tools who improves how your squad leverages them safely and effectively. 3. Delivery & Collaboration Collaborate closely with Product, QA, DevOps, and senior engineers to deliver high-quality features. Participate in story refinement, estimation, and technical breakdown. Identify and surface technical risks early. Support production systems through debugging and root cause analysis. Contribute to CI/CD pipelines and ensure reliable deployments. You help strengthen delivery predictability and engineering quality within your team. 4. Technical Growth & Influence Demonstrate strong ownership and accountability across frontend and backend components. Provide thoughtful, constructive code reviews that improve quality. Mentor junior engineers informally where appropriate. Continuously improve your fullstack expertise and understanding of cloud-native patterns. Stay current with evolving .NET, React, Azure, and AI-assisted development practices. You are progressing toward broader architectural influence and cross-team impact (Senior trajectory). Qualifications To land this role you will need: Fullstack Engineering 3–6 years of professional software engineering experience with meaningful fullstack exposure. Strong working knowledge of C# and .NET ( ASP.NET Core, Web APIs). Solid experience building frontend applications with React and TypeScript. Experience designing and consuming RESTful services. Familiarity with relational databases (e.g., SQL Server) and basic data modeling. Understanding of clean code principles, maintainable design, and automated testing. Experience using Git, CI/CD pipelines, and modern development workflows. Agentic Development Capabilities Hands-on experience using AI-assisted coding tools (e.g., GitHub Copilot, Claude Code, or equivalent). Ability to evaluate AI-generated backend and frontend code critically. Understanding of how modular design, strong typing, documentation, and test coverage improve AI tool effectiveness. Pragmatic mindset — using AI to accelerate delivery without compromising quality or security. Collaboration & Mindset Strong team collaboration and communication skills. Ability to take feedback constructively and improve continuously. Growth mindset with ambition to expand technical ownership and cross-stack expertise. Comfortable working in Agile, cross-functional environments. Nice to Have Exposure to Azure or other cloud platforms. Experience with Docker, microservices, or distributed systems. Familiarity with CI/CD pipelines and automated testing frameworks. Experience contributing to shared component libraries or frontend standards. Interest or exposure to financial services, payments, or trading platforms. Working environment: Hybrid 4-days in office with private parking for employees.

🏢 Summary: Senior Software Engineer role focused on designing and delivering scalable, distributed payment platform solutions in a cloud-native environment. The position combines hands-on backend development in .NET with technical leadership, architectural ownership, and mentoring responsibilities. A key aspect of the role is introducing and leading agent-based (AI-driven) engineering workflows across the SDLC. 🗂️ Requirements: 5+ years of software engineering experience (Back-End or Full-Stack), Experience with .NET and C#, Experience with cloud platforms (Azure, AWS, or GCP), Experience with Docker and .NET 6+, Experience building scalable, low-latency, event-driven distributed systems, Experience designing and integrating RESTful and gRPC APIs, Experience with microservices and cloud-native architectures, Experience with SQL databases, Experience in payments or financial systems, Hands-on experience with agentic development tools (e.g., Claude Code, Copilot Workspace), Ability to evaluate and validate AI-generated code, Experience working in Agile Scrum environments 📃 Skills: C#, .NET, SQL, SQLServer, Azure, AWS, GCP, Docker, REST, gRPC, Microservices, Cloud, Terraform, Postgres, VueJS, React, Jira, Confluence, Claude, Copilot 🏢 Description: Overview Permanent, full-time, hybrid Connecting clients to markets – and talent to opportunity. With 4,300 employees and over 400,000 retail and institutional clients from more than 80 offices spread across five continents, we’re a Fortune-100, Nasdaq-listed provider, connecting clients to the global markets – focusing on innovation, human connection, and providing world-class products and services to all types of investors. Whether you want to forge a career connecting our retail clients to potential trading opportunities, or ingrain yourself in the world of institutional investing, The StoneX Group is made up of four segments that offer endless potential for progression and growth. Business Segment Overview: A Swift-accredited service bureau and member, our Payments division provides NGOs, institutions and non-profits the ability to make a local difference, globally – with transparent pricing across 180+ countries and 140+ currencies. Technology Ecosystem: Back End: C#, .NET Database: SQL Server Cloud: Azure Responsibilities Position Purpose: StoneX Payments is looking for a Senior Software Engineer to design, develop and implement software applications that make up key components of our platforms. You will deliver high-quality software that is aligned with customer needs and business goals. You will be expected to set standards in a highly modernize and distributed environment. You will be responsible for the technical excellence and approach taken by less experienced team members, including providing guidance and oversight, planning and estimation, analyzing software performance and configuration systems, peer code reviews and documentation, and the deployment and integration of new software from technology standards you set. You will collaborate with product owners in an agile scrum to scope, develop and deploy solutions, continuously iterating to ensure that new features are adding value to our customers. You are expected to conduct design and code reviews within the engineering team and vetting designs across your teams with business initiatives. You are expected to get into the details of our solutions, lead implementation, and take ownership of the team’s output. Come help us develop the next-generation payments platform! The ideal candidate is passionate about growing their skills and building complex distributed systems. Primary duties will include: Execute on the software development life cycle (SDLC) for the team including estimating, analysis, code design, development, testing, debugging, and maintenance. Implement engineering standards, best practices, and quality assurance procedures. Work closely with product owners to understand product requirements and translate them into technical stories. Provide technical expertise and insight to analyze complex requirements and break down features and initiatives into tasks. Take responsibility for the quality of the applications as well as its alignment with technology and product goals. Review and give constructive feedback on code. Identify recurring issues and opportunities to improve engineering process and coding standards. Lead the execution of software solutions along with monitoring and supporting tools to ensure the software works well in the operating environment. Actively participate in strategic implementation regarding technology solutions and platform architecture Mentor and grow less experienced engineers. Forward thinking on modern technology and the payments industry. Agentic Development Leadership: This is the major differentiator of the role. Introduce, design, and operationalize agent-based engineering workflows across the SDLC. Use tools such as Claude Code, capable of repository-wide reasoning, automated refactoring, debugging, and commit generation to accelerate engineering throughput. Build “agent-ready” codebases through modular design, clean documentation, and comprehensive test coverage — key enablers of successful agentic development. Actively contribute to and/or lead the new agentic development team for Payments (e.g., new wallet solution POC). Evaluate AI-generated code for quality, correctness, architectural alignment, and security. Develop internal best practices, training materials, and standards for agent-accelerated engineering. Qualifications To land this role you will need : 5+ years software engineering experience, primarily Back-End or Full-Stack. Experience with .NET and Cloud platforms (Azure/AWS/GCP). Experience working with Docker, .NET 6+, C#. Experience designing and writing robust software for highly scalable, low-latency, event driven, distributed platforms. Strong experience with object-oriented programming and design, including C# or any other programming languages. Experience designing, implementing, and integrating with RESTful and gRPC APIs. Experience with modern architectures and practices including microservices, cloud computing, micro frontends, and domain driven design. Experience with financial products, specifically payments. Experience with Jira and Confluence. Able to work in a positive team culture with a strong sense of accountability and collaboration. Able to balance incoming requirements with a focus on tactical execution. Excellent coding skillset and peer code review. Excellent verbal and written communication skills. Excellent analytical and problem-solving skills. Excellent skills working in a distributed Lean Agile Scrum Team. Deep understanding of modern cloud native technology with microservice/microsite design patterns. What makes you stand out: Experience in SaaS, Payments, FinTech, or E:commerce. Experience with IaC, specifically Terraform. Experience with microservice design pattern, specifically Twelve-Factor. Experience with document databases. Experience working with VueJs/React, and Postgres. Agentic Development Skills: (What makes this role unique) Hands-on experience with agentic development tools such as Claude Code, Copilot Workspace, or equivalent. Ability to orchestrate multi-agent workflows (refactoring, debugging, dependency updates, code generation). Deep understanding of how design quality affects agent output (modularity, documentation, test coverage). Experience evaluating and validating AI-generated code. Ability to build frameworks, patterns, and tooling for agent-powered engineering at scale. Working environment: FTE (UoP). Hybrid at ul. Mogilska 35 – we have private parking for employees.

🏢 Summary: Senior Backend Engineer role focused on designing, evolving, and leading high-impact backend systems for business-critical financial applications. The position combines deep .NET backend expertise with cross-team architectural influence and structured adoption of AI-assisted (agentic) development practices. It involves end-to-end SDLC ownership, technical leadership without direct management, and operating within a regulated, cloud-based environment. 🗂️ Requirements: 5+ years backend software engineering experience, Strong expertise in C# and .NET (ASP.NET Core, Web APIs), Experience designing and maintaining RESTful services, Knowledge of clean architecture and SOLID principles, Experience with relational and/or NoSQL databases, Experience with CI/CD pipelines and Git, Experience with Azure cloud services, Experience with containerization, Understanding of distributed systems and event-driven architectures, Hands-on experience with AI-assisted development tools, Ability to review and validate AI-generated code, Bachelor’s degree in Information Technology 📃 Skills: C#, .NET, ASP.NET, REST, SQL, NoSQL, Azure, CI/CD, Git, Docker, Microservices, Messaging, DistributedSystems, AI, Copilot, Claude, IaC, Observability 🏢 Description: Overview Permanent, full-time, hybrid Connecting clients to markets – and talent to opportunity. With 5,400+ employees and over 80,000 institutional, commercial, and payments clients, we operate from more than 80 offices spread across six continents. As a Fortune 100, Nasdaq-listed provider, we connect clients to the global markets – focusing on innovation, human connection, and providing world-class products and services to all types of investors. Whether you want to forge a career connecting our retail clients to potential trading opportunities, or ingrain yourself in the world of institutional investing, StoneX Group is made up of four business segments that offer endless potential for progression and growth. Business Segment Overview: A Swift-accredited service bureau and member, our Payments division provides NGOs, institutions and non-profits the ability to make a local difference, globally – with transparent pricing across 180+ countries and 140+ currencies. Responsibilities Position Purpose: We are seeking a Senior Backend Engineer to design, build, and lead the evolution of high-impact backend systems powering business-critical applications across StoneX Payments. This role is ideal for a highly experienced backend engineer who: Thrives on end-to-end ownership across the SDLC Influences technical direction across multiple squads Leads complex initiatives without formal people management Actively advances agentic development practices within engineering You will operate as a technical authority within your domain - shaping backend architecture, raising engineering standards, and enabling teams to safely leverage AI-augmented development in a regulated financial environment. Key Responsibilities will include: 1. Backend Architecture & System Design Design and evolve scalable backend systems using C# and .NET ( ASP.NET Core, Web APIs). Define robust RESTful APIs and service contracts for frontend and downstream consumers. Contribute to domain architecture strategy and ensure alignment with platform principles. Lead complex technical initiatives spanning multiple squads. Drive improvements in system performance, reliability, observability, and data integrity. Champion clean architecture, modular design, and maintainable service boundaries. You are expected to influence architecture beyond a single squad and elevate backend engineering standards across the domain. 2. Agentic Development Enablement (Cross-Team Scope) A defining aspect of this role is structured adoption and standardization of agent-augmented engineering. Act as an advanced practitioner of AI-assisted development tools (e.g., Claude Code, Copilot Workspace, or equivalent). Design and refine backend workflows that effectively leverage agents for: Refactoring legacy services Automated test generation Debugging and root cause analysis Documentation improvement Code modernization and dependency management Improve backend “agent-readiness” by driving: Clear service boundaries Strong unit and integration test coverage Consistent naming and documentation standards Reduction of unnecessary coupling Establish guardrails for reviewing and validating AI-generated code, including: Architectural alignment Security and compliance review Performance considerations Share best practices and coach engineers on responsible AI-assisted development. Partner with Lead and Principle engineers to align with broader agentic engineering standards. Your focus is not experimentation alone - but systematic improvements in code quality, maintainability, and engineering throughput across multiple teams. 3. End-to-End Delivery & Technical Execution Participate across the full SDLC — from story refinement and design through implementation, deployment, and production support. Write high-quality, testable, production-grade backend code. Lead technical breakdown of large features and complex initiatives. Ensure strong automated testing (unit, integration, contract tests) and CI/CD hygiene. Drive technical risk identification and mitigation early in the lifecycle. Support incident resolution and root cause analysis in production systems. 4. Technical Leadership Without Direct Management Serve as a senior technical reference point for backend engineers. Conduct rigorous code reviews and architectural deep dives. Mentor engineers on backend design patterns, distributed systems principles, and clean coding standards. Facilitate architecture discussions and influence technical decisions across squads. Contribute to internal standards, documentation, and reusable backend patterns. This role leads through influence, expertise, and technical credibility rather than formal people management. Qualifications To land this role you will need: Core Backend Engineering 5+ years of professional software engineering experience with strong backend focus. Deep expertise in C# and .NET ( ASP.NET Core, Web APIs). Strong experience designing and maintaining RESTful services and service-oriented architectures. Solid understanding of clean architecture, SOLID principles, and scalable design patterns. Experience with relational and/or NoSQL databases and performance optimization. Strong grounding in CI/CD, version control (Git), and cloud-native development. Experience with Azure cloud services and containerization. Exposure to event-driven architectures, messaging, and distributed systems. Familiarity with infrastructure-as-code and observability tooling. Agentic Development Capabilities Hands-on experience using AI-assisted development tools (e.g., Claude Code, GitHub Copilot, Copilot Workspace, or equivalent). Ability to evaluate and validate AI-generated backend code for correctness, maintainability, and security. Understanding of how architecture quality, modularity, and test coverage influence agent effectiveness. Experience improving legacy systems in ways that increase automation and agent compatibility. Pragmatic mindset balancing acceleration with governance and financial system rigor. Collaboration & Influence Strong cross-functional collaboration skills with Product, QA, frontend engineers, and DevOps. Experience leading technical initiatives without direct people management. Clear communicator capable of articulating architectural trade-offs and technical risks. Comfortable operating in Agile, distributed environments. Education / Certification Requirements: Bachelor’s degree in information technology. Working environment: Hybrid 4-days in office with private parking for employees.

🏢 Summary: The offer is for a QA Automation Lead to drive automation strategy and lead end-to-end UAT for a global payments platform. The role combines hands-on framework architecture with leadership of quality engineering practices, secure testing, and CI/CD integration. You will mentor engineers and ensure scalable, reliable, and secure test automation across frontend, backend, and APIs. 🗂️ Requirements: 7+ years in test automation or quality engineering roles, Experience leading automation initiatives or teams, Strong programming skills in JavaScript, TypeScript, Python, Java, or C#, Hands-on experience with modern automation frameworks, Experience integrating automated tests into CI/CD pipelines, Knowledge of secure testing practices and tools, Experience with performance and API testing, Bachelor’s degree in Engineering, Computer Science, IT or related field 📃 Skills: JavaScript, TypeScript, Python, Java, C#, Playwright, Cypress, Selenium, xUnit, NBomber, Azure, GitHub, CI/CD, SonarQube, Snyk, Checkmarx, Trivy, SAST, DAST, SWIFT, ISO20022 🏢 Description: Overview Permanent, full-time, hybrid Connecting clients to markets – and talent to opportunity. With 4,300 employees and over 400,000 retail and institutional clients from more than 80 offices spread across five continents, we’re a Fortune-100, Nasdaq-listed provider, connecting clients to the global markets – focusing on innovation, human connection, and providing world-class products and services to all types of investors. Whether you want to forge a career connecting our retail clients to potential trading opportunities, or ingrain yourself in the world of institutional investing, The StoneX Group is made up of four segments that offer endless potential for progression and growth. Business Segment Overview: A Swift-accredited service bureau and member, our Payments division provides NGOs, institutions and non-profits the ability to make a local difference, globally – with transparent pricing across 180+ countries and 140+ currencies. Responsibilities Position Purpose: We’re looking for a QA Automation Lead to elevate quality across our Global Payments organization. This is a strategic, hands-on leadership role that combines deep automation expertise with ownership of end-to-end UAT programs. You will define quality engineering standards, architect scalable automation solutions, mentor engineers, and partner with Product, DevOps, and Operations to ensure our mission-critical payments platform is secure, resilient, and ready for production. As a senior technical leader, you’ll influence engineering culture, guide teams toward best practices, and ensure testability, observability, and automation are built into everything we deliver. This role is ideal for someone ready to move beyond individual contributions into leading people, processes, and technology within a modern engineering organization. Primary duties will include: Automation Strategy & Technical Leadership Define the automation vision, roadmap, and standards for frontend, backend, and API testing across the Global Payments group. Architect and maintain scalable, reusable automation frameworks (Playwright, xUnit, NBomber, etc.). Ensure automated test suites are reliable, fast, and deeply integrated into CI/CD (Azure DevOps, GitHub Actions). Establish quality gates, code coverage expectations, and best practices for test design, data management, and environments. Continuous Delivery & Secure Testing Partner with DevOps and SecOps to embed automated security practices (SAST, DAST, dependency scanning) into the delivery pipeline. Drive adoption of shift-left testing, including contract tests, static analysis, and performance testing. Monitor CI/CD health, triage failures, and ensure automation remains a first-class citizen in the delivery lifecycle. UAT Leadership & Business Partnership Own the planning, coordination, execution, and sign-off of UAT cycles across features, releases, and compliance-driven changes. Create structured UAT plans, acceptance criteria, runbooks, and stakeholder communications. Lead cross-functional defect triage, ensuring issues are addressed quickly and transparently. Act as a bridge between engineering teams and business operations (settlements, reconciliations, payments workflows). Quality Governance & Team Development Mentor and upskill QA and automation engineers; guide developers on improving testability and adopting quality practices. Champion continuous improvement efforts, driving metrics, observability, and quality KPIs for teams and leadership. Collaborate with Product and Engineering leadership to prioritize quality initiatives, testing infrastructure, and tooling investments. Qualifications To land this role you will need: Technical & Domain Expertise 7+ years in test automation, quality engineering, or SDET roles, including experience leading automation initiatives or teams. Strong coding and test-development skills in JavaScript/TypeScript, Python, Java, or C#. Hands-on mastery of automation frameworks (Playwright, Cypress, Selenium, xUnit, or equivalent). Familiarity with secure testing tools (SonarQube, Snyk, Checkmarx, Trivy) and modern CI/CD systems. Experience in financial services — payments, FX, settlements, reconciliations, SWIFT, or ISO 20022 is a strong plus. Leadership & Collaboration Proven ability to lead engineers, guide teams, and influence stakeholders without formal authority. Excellent communicator with the ability to translate technical detail into business insights. Strong problem-solving skills and a passion for raising the bar on engineering quality. Education / Certification Requirements: Bachelor’s degree or higher in Engineering (Computer Systems, Software, IT&T, Systems) or relevant experience. Working environment: FTE (UoP). Hybrid at ul. Mogilska 35 – we have private parking for employees.

🏢 Summary: Engineering Manager role focused on leading the architecture and development of scalable, low-latency web-based trading platforms across the full software lifecycle. The position combines hands-on technical leadership with team management, driving performance, scalability, and innovation in mission-critical applications. Work is delivered in an Agile environment with hybrid onsite presence. 🗂️ Requirements: Minimum 7 years web-based development experience, Proven experience leading and mentoring software engineering teams, Strong JavaScript and TypeScript expertise, Advanced knowledge of React and modern frontend architecture, Solid HTML and CSS knowledge including cross-browser compatibility and accessibility, Experience delivering end-to-end projects in Agile environments, Experience with performance optimization across build and runtime phases, Knowledge of event-driven microservices architecture, Experience with Java and Spring or C# and .NET Core, Experience with distributed systems and messaging platforms, Experience with relational and NoSQL databases, BS/MS in Computer Science, Engineering or related field 📃 Skills: JavaScript, TypeScript, React, HTML, CSS, Java, Spring, CSharp, NETCore, Docker, Kubernetes, Azure, GCP, AWS, Kafka, SQL, NoSQL, Agile, TDD, BDD, Jest, JUnit, Microservices 🏢 Description: Overview Permanent, full-time, hybrid. Connecting clients to markets – and talent to opportunity With 5,400+ employees and over 80,000 institutional, commercial, and payments clients, we operate from more than 80 offices spread across six continents. As a Fortune 100, Nasdaq-listed provider, we connect clients to the global markets – focusing on innovation, human connection, and providing world-class products and services to all types of investors. Whether you want to forge a career connecting our retail clients to potential trading opportunities, or ingrain yourself in the world of institutional investing, StoneX Group is made up of four business segments that offer endless potential for progression and growth. Corporate: Engage in a deep variety of business-critical activities that keep our company running efficiently. From strategic marketing and financial management to human resources and operational oversight, you’ll have the opportunity to optimize processes and implement game-changing policies. Responsibilities Position Purpose: We are looking for an Engineering Manager with experience building scalable web-based trading platforms. The role will encompass architecture and development across all tiers of the application stack. You will be part of a talented engineer team that work on low-latency mission-critical trading applications. Roles and responsibilities include application architecture and development across full software development lifecycle, collaborating with like-minded engineers. Managing and technically leading team of highly skilled software engineers, forging relationships with key stakeholders across diverse user base. Primary Duties will include: Lead and mentor team(s) of skilled software engineers, providing architectural and technical guidance. Own and evolve the architecture roadmap, ensuring scalability, performance, and maintainability. Drive development across all phases of the software lifecycle using Agile methodologies. Ensure design and implementation align with business and technical specifications. Oversee release planning and delivery of software components. Champion continuous improvement by evaluating emerging technologies and presenting recommendations. Build strong relationships with cross-functional stakeholders to align engineering efforts with business goals. Foster a culture of excellence, ownership, and innovation within the team. Qualifications To land this role you will need: Minimum 7 years’ experience in web-based development. Proven experience building and leading technical teams, providing direction and guidance, working with global teams. Deliver end-to-end technical projects, coordinating multiple delivery teams across a range of disciplines and geographical locations, working in an Agile manner. Strong knowledge with JavaScript and Typescript, asynchronous programming, closures, types, ES6. HTML/CSS experience, covering layout, cross browser compatibility, accessibility. Knowledge with React framework, lazy loading, error capturing, concurrent mode, code splitting, patterns for code reuse, state management libraries, routing architecture. Performance improvement on various phases of development, build, deployment runtime, edge cache, cache control header, enabling gzip, transport on h2, rendering optimizations. Ideally experience developing event-based microservices using Java/Spring (ideal) or C#/.Net Core. What makes you stand out: Experience with TDD/BDD, testing framework (Jest/React-testing-library/JUnit). Some experience developing distributed systems using Microservice architecture (event-based). Experience with containerisation (Docker, Kubernetes). Experience with cloud platforms (Azure, GCP, AWS). Exposure with distributed messaging / streaming platforms (Apache Kafka ideal). Experience with Relational and No-SQL databases. Education: BS/MS degree in Computer Science, Engineering or a related subject Environment: Hybrid (4 days in office per week).

🏢 Summary: Backend-focused engineering role supporting pricing and risk management systems through design, development, and modernization into a scalable microservices architecture. The position involves building and maintaining APIs, real-time messaging solutions, and cloud-based services within a hybrid environment. You will contribute to CI/CD, automation, and containerized deployments to ensure reliable and efficient software delivery. 🗂️ Requirements: Proficiency in C#, Experience with .NET Core or .NET 6+, Experience building REST APIs, Experience with gRPC services, Experience with WPF, Experience with React, Knowledge of messaging systems (ActiveMQ, Kafka, Redpanda), Experience with Docker and Kubernetes, Experience with CI/CD pipelines, Experience with Ansible, Ability to work with Linux command line, Bachelor’s degree in Information Technology 📃 Skills: C#, DotNet, WPF, React, Azure, REST, gRPC, Linux, ActiveMQ, Kafka, Redpanda, TeamCity, Ansible, Docker, Kubernetes, CICD 🏢 Description: Connecting clients to markets – and talent to opportunity With 5,400+ employees and over 80,000 institutional, commercial, and payments clients, we operate from more than 80 offices spread across six continents. As a Fortune 100, Nasdaq-listed provider, we connect clients to the global markets – focusing on innovation, human connection, and providing world-class products and services to all types of investors. Whether you want to forge a career connecting our retail clients to potential trading opportunities, or ingrain yourself in the world of institutional investing, StoneX Group is made up of four business segments that offer endless potential for progression and growth. Business Segment Overview: With boots on the ground authenticity at the heart of everything we do, our comprehensive array of commercial products and services enable you to work directly with our clients, across hedging, risk management, execution and clearing, OTC products, commodity finance and more. Responsibilities Position Purpose: This role supports the Pricing Team by designing, developing, and testing key projects that strengthen pricing and risk management. You will contribute to strategic initiatives to modernize our technology stack into a scalable, microservice-based architecture, actively offering ideas and solutions throughout the project lifecycle. Technology Ecosystem: Front-End: WPF, React Back-End: C#, .NET (Core/.NET 6+) Cloud: Azure Primary duties will include: Perform detailed requirement, design and code reviews to ensure thorough due diligence is applied. Understand individual business requirements in order to design, develop and test effective solutions. Understand and implement required development guidelines, design standards and best practices at all times. Understand in detail the business operational process both before and after the impact of any software changes. Take responsibility for analysis, design and development to ensure due diligence is applied consistently to all software changes. Ensure software releases support continuous build and automated deployment practices. Provide prompt and knowledgeable assistance to business continuity and platform operations whenever requested. Work to identify risks and enhance control across the business. Qualifications To land this role you will need : Proficient in C# and the modern .NET platform (Core/.NET 6+) for backend development. Experienced in building REST APIs and gRPC services. Comfortable with Linux command line for deployment and troubleshooting. Skilled in WPF for desktop applications and modern web frameworks such as React. Knowledge of messaging systems including ActiveMQ, Kafka, and Redpanda. Familiar with CI/CD pipelines using TeamCity. Hands-on experience with Ansible for automation and configuration management. Specialized in real-time streaming and distributed enterprise messaging. Expertise in Docker and Kubernetes for containerization and orchestration. Excellent communication and collaboration skills. Proficiency in English. What makes you stand out: Experience in finance Education / Certification Requirements: Bachelor’s degree in information technology. Working environment: Hybrid 4-days in office. #LI-Hybrid #LI-DK1