Senior C# Developer

🏢 Summary: Senior C# Developer role focused on building and evolving core backend systems for XVA, Liquidity, and Financial Resource Management within a global financial project. The position involves developing scalable, event-driven solutions in a distributed agile team and supporting high-impact financial tools used in fast-moving markets. The role also contributes to migrating legacy systems to a modern event-driven architecture. 🗂️ Requirements: Strong experience with C# and .NET ecosystem, Experience with ASP.NET Web API, Knowledge of event-driven architecture, Experience with asynchronous messaging, Strong understanding of OOP and design patterns, Experience with service-oriented architectures, Strong knowledge of MS SQL, Experience with DevOps tools in enterprise environments, Practical knowledge of LLM and agentic AI engineering, Familiarity with at least two financial domains: Listed/OTC products, PnL, XVA, Liquidity risk, Cash forecasting, Balance sheet metrics 📃 Skills: C#, .NET, ASP.NET, WebAPI, Rebus, SignalR, Windows, MS SQL, Dapper, GIT, Bitbucket, TeamCity, Jenkins, Ansible, OOP, SOA, LLM, AI, XVA 🏢 Description: Are you an experienced C# Developer ready to join a cutting-edge global financial project? We are partnering with a leading international financial institution seeking a Senior C# Developer to join their distributed, agile team focused on building and evolving core systems for XVA, Liquidity, and Financial Resource Management. What you9ll do: Develop and maintain core backend systems using C# .NET, ASP.NET Web API, and event-driven architecture Work with asynchronous messaging (Rebus) to build scalable, reliable solutions Collaborate with an international team committed to clean code and software craftsmanship Influence the migration to a modern event-driven backend architecture Support high-impact financial tools used daily by hundreds of users in fast-moving markets Tech stack: C# .NET, Windows Services, ASP.NET Web API, SignalR MS SQL, Dapper ORM DevOps tools: GIT (Bitbucket), TeamCity, Jenkins, Ansible Event-driven messaging with Rebus What we9re looking for: Strong expertise in OOP, design patterns, and .NET ecosystem Deep understanding of service-oriented architectures and MS SQL Experience with DevOps in enterprise environments Practical knowledge of LLM capabilities and agentic AI engineering within software development Familiarity with financial products and risk management (at least 2 of): Listed/OTC products, PnL explain & risks, XVA models, Liquidity risk, Cash forecasting, or Balance sheet metrics Bonus points: Front-end experience with HTML, JavaScript/TypeScript, React, Redux Personal qualities: Highly autonomous and excels in teamwork Great communication, analytical thinking, and organisational skills Detail-oriented, even under tight deadlines Proactive and flexible in facing daily engineering challenges Motivated to work closely with front-office IT teams Integrity and role-model attitude fostering a positive work culture

🏢 Summary: Senior Full Stack Developer role focused on building enterprise-grade applications for capital markets and risk using React and C# .NET Core. The position involves developing scalable microservices, REST APIs, modern web UIs, and data-driven solutions in a cloud environment. Responsibilities include CI/CD implementation, event-driven architecture, cloud migration, and Power BI reporting. 🗂️ Requirements: Strong experience with React and TypeScript, Strong experience with C# and .NET Core, Experience building REST APIs, Experience developing microservices and distributed systems, Experience with CI/CD pipelines, Experience with Azure or AWS cloud platforms, Experience with Power BI and data modeling, Strong SQL and database knowledge, Experience with Docker and Kubernetes, Experience in capital markets domain especially credit risk or market risk, Strong understanding of software architecture and system design 📃 Skills: React, TypeScript, JavaScript, C#, DotNetCore, REST, Microservices, Azure, AWS, PowerBI, SQL, Docker, Kubernetes, Kafka, AzureDevOps, Jenkins, GitHubActions 🏢 Description: About the Role We are looking for a Senior Full Stack Developer with strong expertise in React on the frontend and C# .NET Core on the backend to build and enhance enterprise-grade applications in the capital markets and risk domain. The role involves developing scalable microservices, modern web applications, and data-driven solutions in a cloud environment. Key Responsibilities Design, develop, and maintain full stack applications using React and C# .NET Core Build and maintain REST APIs and microservices in distributed environments Develop modern, responsive UI components using React, TypeScript, and modern frontend patterns Work closely with business stakeholders in capital markets and risk domains (credit risk, market risk) Develop and maintain Power BI dashboards and data models for business reporting Implement and maintain CI/CD pipelines and automated deployment processes Contribute to event-driven architecture using tools such as Kafka or similar messaging technologies Participate in cloud migration and modernization initiatives (Azure or AWS) Ensure code quality through testing, code reviews, and best engineering practices Mentor junior developers and contribute to architectural decisions Requirements Strong experience with React, JavaScript/TypeScript Strong experience with C#, .NET Core, REST APIs Experience building microservices and distributed systems Experience with CI/CD tools (Azure DevOps, Jenkins, GitHub Actions) Experience with Azure or AWS Experience with Power BI and data modeling Strong SQL and database knowledge Experience with Docker / Kubernetes Experience working in capital markets , especially credit risk or market risk Strong understanding of software architecture and system design Excellent communication skills and experience working with business stakeholders

🏢 Summary: Senior Full Stack Developer role focused on building scalable, cloud-native applications using React and C# .NET Core within capital markets risk domains. The position involves developing microservices, REST APIs, data pipelines with Python (pyspark), and enterprise Power BI solutions. Strong emphasis on event-driven architectures, CI/CD automation, and Azure-based cloud environments. 🗂️ Requirements: 10+ years software development experience, Strong proficiency in React.js and JavaScript/TypeScript, Expertise in C# and .NET Core, Experience building REST APIs and microservices, Hands-on experience with Python and pyspark, Extensive Power BI development experience, Strong knowledge of microservices and event-driven architectures, Experience with CI/CD pipelines, Experience with Azure or AWS, Proficiency in SQL databases, Experience with Docker and Kubernetes, Understanding of credit risk and market risk domains 📃 Skills: React, JavaScript, TypeScript, Redux, C#, .NET, Python, pyspark, PowerBI, DAX, SQL, SQLServer, PostgreSQL, Docker, Kubernetes, Azure, AWS, Kafka, EventHub, Jenkins, GitHub, AzureDevOps, REST, Microservices 🏢 Description: About the Role We are seeking a highly experienced Senior Full Stack Developer with deep expertise in React on the frontend and C# .NET Core on the backend. The ideal candidate will have substantial hands-on experience developing scalable applications, strong exposure to cloud-native architectures, and a solid understanding of capital markets—particularly in credit risk and market risk domains. Experience with Python (pyspark) for data-driven workflows and a strong command of CI/CD, microservices, and event-driven architectures is essential. ________________________________________ Key Responsibilities Design, develop, and maintain full stack applications using React, C#.NET Core, and supporting technologies. Build high-performance backend services, RESTful APIs, and microservices with focus on scalability, maintainability, and resilience. Develop responsive, modular, and accessible UI components using React and modern JS/TS patterns. Collaborate closely with business stakeholders and risk domain experts to deliver solutions in credit risk, market risk, and related capital markets functions. Work with Python (pyspark) for data transformation, data pipelines, and analytics workflows. Develop, optimize, and maintain Power BI dashboards, data models, and analytical reports for business users. Implement and optimize CI/CD pipelines, ensuring robust automated testing, deployment, and monitoring. Architect and contribute to event-driven and distributed system designs using technologies such as Kafka, Event Hub, or similar. Drive engineering best practices: code reviews, unit/integration testing, performance tuning, documentation. Contribute to cloud migration and modernization initiatives, especially in Azure or AWS environments. Mentor junior developers and collaborate within a cross-functional agile team. ________________________________________ Required Skills & Experience Technical Skills 10+ years of professional software development experience. Front-end: Strong proficiency in React.js, JavaScript/TypeScript, Redux/RTK, hooks, and modern UI patterns. Back-end: Expertise in C# .NET Core, C#, REST APIs, Web APIs, and microservices-based development. Python (pyspark): Hands-on experience with distributed data processing, data pipelines, and analytic transformations. Power BI: Extensive experience developing dashboards, data models, DAX calculations, and enterprise-grade BI solutions. Strong understanding of data modeling, performance tuning, and governance in Power BI. Architecture: Strong knowledge of microservices, API design, event-driven architectures, and distributed systems. DevOps / CI/CD: Experience with Azure DevOps, GitHub Actions, Jenkins, or similar. Strong understanding of automated builds, testing, deployment, and monitoring. Cloud Platforms: Experience with Azure or AWS (Azure preferred). Databases: Proficiency with SQL Server, PostgreSQL, or other relational databases; NoSQL knowledge a plus. Containerization: Experience with Docker, Kubernetes, container orchestration. Domain Knowledge Understanding of capital markets, specifically: Credit risk (PD, LGD, EAD, credit exposure modeling, counterparty risk). Market risk (VaR, sensitivities, stress testing, pricing concepts). Familiarity with regulatory frameworks (e.g., Basel, FRTB, IFRS9) is a strong advantage. ________________________________________ Soft Skills Strong analytical and problem solving abilities. Excellent communication skills and ability to interact with technical and non-technical stakeholders. Collaborative, agile mindset with experience in Scrum/Agile environments. Ability to work independently and lead technical solutions end to end.

🏢 Summary: The offer is for a Senior .NET Developer responsible for improving and refactoring core backend systems to enhance structure, maintainability, and security. The role focuses on reducing technical debt, enabling automation and AI integration, and ensuring high code quality through testing and CI/CD practices. The position involves hands-on development within legacy or monolithic environments and driving system modernization. 🗂️ Requirements: 5+ years experience in .NET / C# backend development, Experience with legacy or monolithic systems, Strong knowledge of clean code principles, Proven experience in refactoring existing codebases, Strong SQL and backend integration experience, Experience with APIs and service-based architecture, Experience with CI/CD pipelines, Experience with automated testing, Familiarity with TDD or BDD practices, Experience with Gherkin, SpecFlow, Cucumber or similar, Experience using AI tools in development workflows, Understanding of code structuring for automation and AI integration 📃 Skills: .NET, C#, SQL, APIs, CI/CD, TDD, BDD, Gherkin, SpecFlow, Cucumber, AI, Git, Docker, .NETCore 🏢 Description: Introduction & Summary: We are seeking a Senior .NET Developer with 5-8+ years of experience in backend development and .NET engineering. The successful candidate will drive improvement in code quality, reduce technical debt, and support system structuring for better predictability. With a focus on future automation and AI capabilities, you will help ensure code understandability, maintainability, and security. Main Responsibilities: Responsible for hands-on development and refactoring of core systems, with the aim of enhancing their structure and predictability. Develop and improve .NET-based systems. Reduce technical debt and increase maintainability. Support safe and efficient delivery. Ensure code is understandable, maintainable, and secure. Make systems testable and observable. Facilitate automation of workflows. Key Requirements: Strong experience with .NET / C#. Experience working with legacy or monolithic systems. Strong understanding of clean code principles. Experience with refactoring and improving existing codebases. Strong SQL and backend integration experience. Experience with APIs and service-based architecture. Experience with CI/CD pipelines. Experience with automated testing. Familiarity with TDD / BDD and security by design thinking. Experience with Gherkin / SpecFlow / Cucumber or similar. AI-related: Experience using AI tools in development workflows. Understanding of code structuring for automation and AI integration. Experience using AI for debugging, testing, or documentation support. Nice to Have: Experience with .NET Core. Experience with containerization. Exposure to AI-assisted testing or development tools. Experience improving system observability.

🏢 Summary: Senior Full Stack Developer role focused on building scalable, cloud-native applications using React on the frontend and C# .NET Core on the backend within capital markets risk domains. The position involves developing microservices, REST APIs, data pipelines with Python (PySpark), and enterprise Power BI solutions, while contributing to CI/CD, event-driven architectures, and cloud modernization initiatives. The role requires deep expertise in distributed systems and strong domain knowledge in credit and market risk. 🗂️ Requirements: 10+ years of professional software development experience, Strong expertise in React and JavaScript/TypeScript, Expert-level knowledge of C# and .NET Core, Experience building REST APIs and microservices, Hands-on experience with Python and PySpark for data processing, Extensive experience with Power BI dashboards, DAX, and data modeling, Strong knowledge of microservices and event-driven architectures, Experience with CI/CD pipelines and DevOps practices, Experience with Azure or AWS cloud platforms, Proficiency in SQL and relational databases, Experience with Docker and Kubernetes, Understanding of credit risk and market risk concepts in capital markets 📃 Skills: React, JavaScript, TypeScript, Redux, C#, .NET, REST, Python, PySpark, PowerBI, DAX, SQL, PostgreSQL, SQLServer, Docker, Kubernetes, Azure, AWS, Kafka, EventHub, Jenkins, GitHubActions 🏢 Description: About the Role We are seeking a highly experienced Senior Full Stack Developer with deep expertise in React on the frontend and C# .NET Core on the backend. The ideal candidate will have substantial hands-on experience developing scalable applications, strong exposure to cloud-native architectures, and a solid understanding of capital markets—particularly in credit risk and market risk domains. Experience with Python (pyspark) for data-driven workflows and a strong command of CI/CD, microservices, and event-driven architectures is essential. ________________________________________ Key Responsibilities •     Design, develop, and maintain full stack applications using React, C#.NET Core, and supporting technologies. •     Build high-performance backend services, RESTful APIs, and microservices with focus on scalability, maintainability, and resilience. •     Develop responsive, modular, and accessible UI components using React and modern JS/TS patterns. •     Collaborate closely with business stakeholders and risk domain experts to deliver solutions in credit risk, market risk, and related capital markets functions. •     Work with Python (pyspark) for data transformation, data pipelines, and analytics workflows. •     Develop, optimize, and maintain Power BI dashboards, data models, and analytical reports for business users. •     Implement and optimize CI/CD pipelines, ensuring robust automated testing, deployment, and monitoring. •     Architect and contribute to event-driven and distributed system designs using technologies such as Kafka, Event Hub, or similar. •     Drive engineering best practices: code reviews, unit/integration testing, performance tuning, documentation. •     Contribute to cloud migration and modernization initiatives, especially in Azure or AWS environments. •     Mentor junior developers and collaborate within a cross-functional agile team. ________________________________________ Required Skills & Experience Technical Skills •     10+ years of professional software development experience. •     Front-end: o     Strong proficiency in React.js, JavaScript/TypeScript, Redux/RTK, hooks, and modern UI patterns. •     Back-end: o     Expertise in C# .NET Core, C#, REST APIs, Web APIs, and microservices-based development. •     Python (pyspark): o     Hands-on experience with distributed data processing, data pipelines, and analytic transformations. •     Power BI: o     Extensive experience developing dashboards, data models, DAX calculations, and enterprise-grade BI solutions. o     Strong understanding of data modeling, performance tuning, and governance in Power BI. •     Architecture: o     Strong knowledge of microservices, API design, event-driven architectures, and distributed systems. •     DevOps / CI/CD: o     Experience with Azure DevOps, GitHub Actions, Jenkins, or similar. o     Strong understanding of automated builds, testing, deployment, and monitoring. •     Cloud Platforms: o     Experience with Azure or AWS (Azure preferred). •     Databases: o     Proficiency with SQL Server, PostgreSQL, or other relational databases; NoSQL knowledge a plus. •     Containerization: o     Experience with Docker, Kubernetes, container orchestration. Domain Knowledge •     Understanding of capital markets, specifically: o     Credit risk (PD, LGD, EAD, credit exposure modeling, counterparty risk). o     Market risk (VaR, sensitivities, stress testing, pricing concepts). •     Familiarity with regulatory frameworks (e.g., Basel, FRTB, IFRS9) is a strong advantage. ________________________________________ Soft Skills •     Strong analytical and problem solving abilities. •     Excellent communication skills and ability to interact with technical and non-technical stakeholders. •     Collaborative, agile mindset with experience in Scrum/Agile environments. •     Ability to work independently and lead technical solutions end to end.

🏢 Summary: Senior .NET Developer role focused on designing, developing, and maintaining critical backend applications within a secure, large-scale financial enterprise environment. The position involves contributing to architectural decisions and delivering robust solutions that support complex financial operations. Ideal for a senior engineer seeking technical autonomy and impact in a stable yet modern setting. 🗂️ Requirements: Senior-level experience in .NET development, Proven experience designing backend applications, Experience developing and maintaining enterprise-grade systems, Ability to contribute to software architecture and technical design, Experience working in secure, large-scale environments, Strong understanding of robust engineering practices 📃 Skills: .NET, C#, Backend, Architecture, Enterprise, FinancialSystems 🏢 Description: Are you a seasoned software engineer looking to drive impactful backend solutions within a secure, large-scale enterprise environment? A leading international financial institution is seeking a Senior .NET Developer to join a highly specialized engineering team. In this role, you will play a pivotal part in designing, developing, and maintaining critical applications that support sophisticated financial operations. This is an exceptional opportunity for a senior professional who thrives on technical autonomy, values robust engineering practices, and is looking for a stable yet modern environment where their architectural input truly matters.

🏢 Summary: Senior Software Engineer role focused on developing and maintaining a complex enterprise .NET platform, combining backend development, production troubleshooting, and performance optimization. The position involves working on identity-related systems and improving architecture, reliability, and code quality within a large-scale environment. The engineer will contribute to technical decisions and future platform evolution. 🗂️ Requirements: 5+ years commercial experience with C# and .NET, Strong knowledge of ASP.NET Core, Experience with asynchronous programming, Experience with dependency injection, Hands-on experience with Entity Framework Core, Strong understanding of SQL Server, Experience with query optimization, Experience with OAuth2, Experience with OpenID Connect, Experience with JWT, Experience supporting and troubleshooting production systems, Fluent English 📃 Skills: C#, .NET, ASP.NET, EntityFramework, SQLServer, OAuth2, OpenIDConnect, JWT, IdentityServer, Duende, ActiveDirectory, AzureAD, MicrosoftGraph, Quartz.NET, SignalR, Playwright, AzureDevOps, CI/CD 🏢 Description: We are looking for an experienced Senior Software Engineer to develop and maintain a complex enterprise .NET platform used by global organizations. This role combines backend development , production troubleshooting , performance optimization , and work on identity-related systems . 💼 Responsibilities: Design, develop, and maintain backend services built with C# and .NET Investigate and resolve complex production issues and customer-reported problems Optimize application performance, database queries, and system reliability Collaborate with Product, Support, and Engineering teams on technical solutions Improve architecture, code quality, and engineering standards Participate in technical discussions and contribute to future platform development ✅ Requirements: 5+ years of commercial experience with C# and .NET Strong knowledge of ASP.NET Core and modern .NET applications Experience with asynchronous programming and dependency injection Hands-on experience with Entity Framework Core Good understanding of SQL Server, query optimization, and database performance Experience with OAuth2, OpenID Connect, JWT Experience supporting and troubleshooting production systems Fluent English communication skills 🌟Nice to have: Experience with IdentityServer / Duende IdentityServer Understanding of Active Directory, Azure AD or Microsoft Graph Hands-on experience with Quartz.NET or similar scheduling frameworks Familiarity with SignalR, Playwright, Azure DevOps and CI/CD pipelines 🎁 We offer: Work on a mature enterprise product used globally Influence technical decisions and platform evolution Private healthcare Life insurance Multisport Opportunity to work with modern .NET technologies and large-scale systems

🏢 Summary: The offer is for a Senior Backend Engineer responsible for designing and developing modern financial applications and advanced monitoring systems in AWS cloud environments. The role involves working with C# and .NET technologies, applying DDD and CQRS patterns, and collaborating closely with business stakeholders in an Agile team. The position focuses on building high-quality, scalable backend solutions using modern development and AI tools. 🗂️ Requirements: 5+ years of commercial experience in creating web applications, Strong experience with C# development, Experience working with SQL databases, Ability to work collaboratively in a team, Fluency in English 📃 Skills: C#, .NET, ASP.NET, AWS, Fargate, Lambda, S3, EventBridge, SQL, NoSQL, DDD, CQRS, Git, Jira, Confluence, Rider, VisualStudio, WebAPI, CI, CD 🏢 Description: The scope of your role: As a Senior Backend Engineer, you will take part in the process of the design and development of modern financial applications. You will develop advanced monitoring systems used in running operations in the AWS cloud environments. You will have an impact on our applications by working closely with businesses and clients who use our banking products. You will work with C#, .NET, ASP.NET, AWS ( incl. fargate, lambda, S3, event bridge), Jira, Confluence, Git, and Rider/Visual Studio. You will use DDD and CQRS. You will work using modern AI dev tools. Required qualifications: 5+ years of commercial experience in creating web applications. Solid experience developing applications using C#. Solid experience in working with SQL databases. Willingness and interest to collaborate and work in a team. Preferred qualifications: Experience with software engineering best practices (code reviews, continuous integration, continuous deployment, testing). Exposure to Agile development methodologies. Familiar with Web services/web API. Familiar with the AWS platform. Experience in working with NoSQL databases. About you? You are a creative and curious person with a genuine interest in software development. We are always looking for new knowledge and have a curiosity out of this world, we think that you have the same mindset and you are excited to read about the latest tech trends. You might also, like us, love to write nice and high-quality code. We hope you are not afraid to inform us about problems and have your thoughts on various solutions. You are a team player and used to work in an Agile environment. Since we are a multicultural team English is the required language.

🏢 Summary: Senior Backend Engineer role focused on designing and developing modern financial applications and advanced monitoring systems in AWS cloud environments. The position involves backend development using C# and .NET technologies, applying DDD and CQRS patterns, and contributing to cloud-based banking solutions. The engineer works on scalable web applications and cloud services supporting operational processes. 🗂️ Requirements: 5+ years of commercial experience in web application development, Strong experience in C# development, Experience with SQL databases, Experience building web applications using .NET technologies, Professional proficiency in English 📃 Skills: C#, .NET, ASP.NET, AWS, Fargate, Lambda, S3, EventBridge, SQL, NoSQL, Jira, Confluence, Git, Rider, VisualStudio, DDD, CQRS 🏢 Description: The scope of your role: As a Senior Backend Engineer, you will take part in the process of the design and development of modern financial applications. You will develop advanced monitoring systems used in running operations in the AWS cloud environments. You will have an impact on our applications by working closely with businesses and clients who use our banking products. You will work with C#, .NET, ASP.NET, AWS ( incl. fargate, lambda, S3, event bridge), Jira, Confluence, Git, and Rider/Visual Studio. You will use DDD and CQRS. You will work using modern AI dev tools. Required qualifications: 5+ years of commercial experience in creating web applications. Solid experience developing applications using C#. Solid experience in working with SQL databases. Willingness and interest to collaborate and work in a team. Preferred qualifications: Experience with software engineering best practices (code reviews, continuous integration, continuous deployment, testing). Exposure to Agile development methodologies. Familiar with Web services/web API. Familiar with the AWS platform. Experience in working with NoSQL databases. About you? You are a creative and curious person with a genuine interest in software development. We are always looking for new knowledge and have a curiosity out of this world, we think that you have the same mindset and you are excited to read about the latest tech trends. You might also, like us, love to write nice and high-quality code. We hope you are not afraid to inform us about problems and have your thoughts on various solutions. You are a team player and used to work in an Agile environment. Since we are a multicultural team English is the required language.

🏢 Summary: Development of backend applications using .NET/.NET Core in a banking environment, including building REST APIs, business logic modules, and system integrations. The role involves working in AWS to deploy serverless and containerized services, managing SQL databases, and ensuring security and regulatory compliance. Close collaboration with business teams is required to deliver high-quality, secure financial solutions. 🗂️ Requirements: Minimum 6 years of experience as .NET Developer, Strong knowledge of .NET and C#, Hands-on experience with AWS services (Lambda, ECS/EKS, S3, RDS), Experience with REST API development, Proficiency in Kafka, Proficiency in SQL and database design, Experience with containerization, Experience in banking or financial projects, Understanding of security and regulatory requirements, Very good English skills 📃 Skills: .NET, C#, AWS, Lambda, ECS, EKS, S3, RDS, Kafka, SQL, REST, Docker, Kubernetes 🏢 Description: Scope of Responsibilities: Design and development of backend applications based on .NET / .NET Core. Creation and maintenance of REST APIs, integrations, and business logic modules. Working in an AWS environment – building and deploying serverless services, containerization, and process automation. Working with SQL databases (data model design, query optimization). Collaboration with analysts and business teams within the banking domain. Ensuring code quality, application security, and compliance with financial sector regulatory requirements. Requirements: Minimum 6 years of experience as a .NET Developer. Strong knowledge of .NET / .NET Core (C#). Hands-on experience with AWS (Lambda, ECS/EKS, S3, RDS, or other services). Proficiency in Kafka and SQL. Experience in banking or financial projects (knowledge of regulatory processes, security, and system integrations is a plus). Very good command of English (daily communication).