Senior C# Engineer

🏢 Summary: Senior Software Engineer role focused on building and scaling a high-performance, AI-supported trade management platform using Rust and C#. The position involves designing distributed, event-driven systems with strong emphasis on performance, scalability, and reliability. The engineer will own solutions end-to-end and optimize cloud-based backend systems. 🗂️ Requirements: 5+ years of software engineering experience, Strong system design knowledge, Strong understanding of concurrency, Strong understanding of performance optimization, Hands-on Rust experience in production, Familiarity with C#/.NET, Experience with distributed systems, Experience with cloud platforms (preferably AWS), Practical use of AI tools in development workflows 📃 Skills: Rust, C#, NET, AWS, Kafka, RabbitMQ, AI, DistributedSystems, Concurrency, PerformanceOptimization 🏢 Description: Senior Software Engineer C# (AI-driven systems) We are looking for an experienced Software Engineer who combines strong system design skills with a modern, AI-supported development approach. This role focuses on building and scaling a high-performance trade management platform, primarily in Rust, with some exposure to C#/.NET. You will work on distributed, event-driven systems processing large volumes of data, with a strong focus on performance, scalability, and reliability. Key Responsibilities Develop and optimize high-performance backend systems Design and maintain scalable distributed services Use AI tools to accelerate development, testing, and debugging Own solutions end-to-end, from design to production Improve system performance and cloud efficiency Requirements 5+ years of experience in software engineering Strong fundamentals in system design, concurrency, and performance Hands-on experience with Rust (production level) Familiarity with C#/.NET Experience with distributed systems and cloud (preferably AWS) Practical use of AI tools in development workflows Nice to have Experience with messaging systems (Kafka, RabbitMQ, etc.) Exposure to financial systems or trading environments

🏢 Summary: Senior Software Engineer role focused on designing and developing scalable backend and fullstack applications using modern C++ in Linux environments. The position involves performance optimization, concurrency, and cloud-native technologies while contributing to high-impact product features. It requires strong ownership, collaboration, and the ability to work across diverse technologies including cloud and DevOps tools. 🗂️ Requirements: 6+ years of C++ development experience, Strong knowledge of multithreading, Strong knowledge of memory management, Experience with performance optimization, Experience developing backend systems, Experience with REST APIs, Experience working in Linux environments, Ability to design and maintain scalable systems, Bachelor’s degree in STEM field 📃 Skills: C++, Linux, REST, Multithreading, AWS, Python, Go, Terraform, CloudFormation, GitHub, Jenkins, Artifactory, Ansible 🏢 Description: Senior Software Engineer – C++ We are looking for a talented Senior Software Engineer to join our team. This role is ideal for someone with deep experience in C++ development , backend skills, and exposure to cloud-native technologies. You will work on challenging projects, contribute to high-impact features, and help shape the future of our products. What You’ll Do Design, develop, and maintain scalable backend systems in C++ (modern C++ preferred) Work on fullstack applications , including REST API-based backend services Optimize software for performance, concurrency, and memory efficiency Develop and maintain applications in Linux environments Take ownership of technical tasks, delivering high-quality results independently Collaborate closely with cross-functional teams, contributing to design and technical discussions Explore new technologies and expand beyond your primary stack, including Python, Go, and AWS Apply a product-focused mindset, understanding the business impact of your technical decisions What We’re Looking For 6+ years of hands-on experience in C++ development Solid understanding of multithreading, memory management, and performance optimization Strong experience contributing to complex features with exposure to diverse technologies Proven ability to work effectively in a team and communicate clearly Experience with Linux-based systems and development in Linux environments Self-motivated, independent, and capable of delivering results with limited supervision Bachelor’s degree in Science, Technology, Engineering, or a related field Nice to Have Experience with Go and/or Python Knowledge of cloud-native development and Infrastructure-as-Code tools (Terraform, CloudFormation) Background in enterprise-scale applications or AWS serverless architectures Familiarity with networking protocols, security best practices, and database systems Experience with modern CI/CD pipelines (GitHub, Jenkins, Artifactory, Ansible)

🏢 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: Remote B2B opportunity for a Senior Software Engineer focused on developing complex, high-performance systems in modern C++ within Linux environments. The role involves contributing to product-level features, collaborating across teams, and working with cloud and backend technologies. Long-term cooperation with flexibility on financial expectations and start date. 🗂️ Requirements: 6+ years of hands-on experience in C++ development, Strong knowledge of modern C++, Experience with multithreading, Understanding of memory management, Experience with performance optimization, Strong understanding of Linux-based systems, Experience developing in Linux environment, Ability to deliver complex technical features, Bachelor’s degree in Science, Technology, Engineering or related field 📃 Skills: C++, Linux, Multithreading, MemoryManagement, PerformanceOptimization, Python, Go, AWS, Terraform, CloudFormation, REST, CI/CD, GitHub, Jenkins, Artifactory, Ansible, Networking, Security, Databases 🏢 Description: For our client, we are looking for a Senior Software Engineer (f/m/n). Qualifications 6+ years of hands-on experience in C++ development (modern C++ preferred) with a solid understanding of multithreading, memory management, and performance optimization Strong experience contributing to complex features with a good product-level understanding and exposure to diverse technologies Proven ability to collaborate effectively within a team, actively participating in technical discussions and supporting delivery across multiple contributors Strong understanding of Linux-based systems and experience developing in a Linux environment (user level) Demonstrated ability to take ownership of well-defined technical tasks and drive them to completion with high quality Strong interpersonal skills with the ability to communicate clearly, collaborate effectively, and contribute confidently in professional discussions Proven ability to quickly learn and adapt to new technologies, taking on tasks with a proactive, can-do attitude and a willingness to expand beyond the core tech stack, including Python, AWS and Go Highly self-managed and independent, capable of delivering results with limited supervision while aligning with broader team goals Bachelor’s degree in Science/Technology/Engineering or a related field How will you stand out from the crowd Experience with Go and/or Python programming languages Experience with cloud-native development and infrastructure-as-code tools (e.g., Terraform, CloudFormation) Experience in enterprise-scale application development in cloud or SaaS environments (AWS serverless architecture is a definite advantage) Experience in building fullstack applications, including REST API-based backend systems and modern frontend interfaces Familiarity with networking protocols, security principles, and database systems Experience with modern CI/CD pipelines, such as GitHub, Jenkins, Artifactory, and Ansible We offer: Work model: remote Contract type: B2B with SHIMI Long-term cooperation We are open to the candidate’s financial expectations Start: ASAP (up to 1 month notice)

🏢 Summary: Senior Backend Engineer role focused on building and scaling a cloud-based SaaS platform using modern .NET services and REST APIs. The position involves designing distributed systems, improving reliability and observability, and working with cloud and container environments. You will contribute to technical decisions and engineering best practices within a collaborative team. 🗂️ Requirements: 5+ years backend development experience, Experience with SaaS and web applications, Strong knowledge of C#, Strong knowledge of modern .NET/.NET Core, Solid computer science fundamentals, Experience with distributed systems design, Experience with cloud platforms, Experience with containers and orchestration, Understanding of concurrency and performance, Knowledge of authentication and authorization mechanisms 📃 Skills: C#, .NET, .NETCore, REST, Azure, AWS, GCP, Kubernetes, Kafka, RabbitMQ, SQS, Docker, SQL, HTML, CSS, JavaScript 🏢 Description: We’re hiring a Senior Backend Engineer to help build and scale a cloud-based SaaS platform. You’ll work on modern .NET services and APIs, improve reliability and observability, and contribute to technical decisions as part of a collaborative engineering team. Responsibilities: Build and maintain backend services and REST APIs in C# / .NET (.NET Core). Design scalable solutions for distributed systems (async workflows, messaging, integrations). Work with cloud services (Azure/AWS/GCP) and container environments (e.g. Kubernetes). Strengthen system reliability with logging, metrics, tracing, and monitoring. Support secure access patterns: authentication/authorization, API gateway concepts. Contribute through code reviews, good engineering practices, and automation. Requirements: 5+ years of backend development experience, including SaaS and web applications. Strong knowledge of C# and modern .NET + solid CS fundamentals. Familiarity with containers/orchestration and cloud-native approaches. Experience with some of: Kafka/RabbitMQ/SQS, workflow orchestration, job scheduling, search. Good understanding of concurrency and performance. Strong communication skills; Agile/Scrum is a plus. Bonus: basic front-end knowledge (HTML/CSS/JS).

🏢 Summary: The role focuses on building and evolving core platform services to support engineering teams, emphasizing scalable cloud-native solutions, developer experience, and automation. It involves designing shared services, advancing CI/CD and Infrastructure as Code practices, and integrating AI-powered tools and LLM-based solutions. The position also promotes DevOps and SRE standards to ensure reliability and operational excellence in production environments. 🗂️ Requirements: 8+ years of experience delivering production-grade software solutions, Strong proficiency in Python, Experience with Kubernetes and containerized environments, Experience with distributed systems, Knowledge of REST and gRPC service development, Experience with cloud-native architectures, Hands-on experience with Infrastructure as Code tools, Familiarity with AI tooling and LLM-based applications, Ability to support production systems and incident response 📃 Skills: Python, Kubernetes, Docker, REST, gRPC, Terraform, CI/CD, LLM, AI, DevOps, SRE, Cloud, Automation 🏢 Description: We are looking for a Senior Platform Engineer to help build and evolve the core technology platforms that support our engineering organization. This role focuses on developing scalable software solutions, improving developer experience, and driving cloud-native engineering practices across the business. Working closely with engineering, cloud, and operations teams, you will contribute to platform architecture, automation initiatives, and the adoption of modern development and reliability practices. Key Responsibilities • Design and maintain shared platform services and engineering tools used across multiple teams. • Develop and enhance internal platforms, including authentication, developer tooling, and infrastructure services. • Build AI-powered solutions leveraging LLMs, intelligent agents, and automation technologies. • Contribute to engineering standards, architectural guidelines, and reusable frameworks. • Improve software delivery through CI/CD, automation, and Infrastructure as Code. • Promote DevOps and SRE practices, including observability, monitoring, and operational excellence. • Support production systems through incident response and reliability improvements. Required Qualifications • 8+ years of experience delivering software solutions in production environments. • Strong programming skills in Python; experience in other languages like Java, C#, C++, Go or others, nice to have • Experience with Kubernetes, containers, and distributed systems. • Knowledge of REST and gRPC service development. • Experience with solution architecture and cloud-native technologies. • Familiarity with AI tooling, agent-based frameworks, and LLM-powered applications. • Hands-on experience with Infrastructure as Code tools such as Terraform. • Strong communication and technical documentation skills.

🏢 Summary: Senior Software Engineer role focused on building and scaling a high-performance, AI-supported trade management platform using C#/.NET in distributed, event-driven systems. The position involves designing scalable backend services, optimizing performance, and collaborating in a multi-language environment including Rust. Strong emphasis is placed on scalability, reliability, and cloud efficiency in production systems. 🗂️ Requirements: 5+ years of software engineering experience, Strong C#/.NET experience in production systems, Strong system design fundamentals, Strong knowledge of concurrency, Experience with performance optimization, Experience with distributed systems, Experience with cloud platforms (AWS preferred), Willingness to work with Rust, Practical use of AI tools in development workflows 📃 Skills: C#, .NET, Rust, AWS, Kafka, RabbitMQ, AI, Concurrency, DistributedSystems, Cloud, SystemDesign 🏢 Description: Senior Software Engineer C# (AI-driven systems) We are looking for an experienced Software Engineer with strong expertise in C#/.NET and a solid understanding of system design, who is open to working in a modern, multi-language environment that includes Rust. This role focuses on building and scaling a high-performance trade management platform processing large volumes of data in distributed, event-driven systems. You will work in a highly performance-driven environment with a strong emphasis on scalability, reliability, and engineering excellence. Key Responsibilities Develop and optimize high-performance backend systems in C#/.NET Design and maintain scalable distributed services Collaborate with Rust engineers and contribute to cross-language system development Use AI tools to accelerate development, testing, and debugging Own solutions end-to-end, from design through to production Improve system performance, reliability, and cloud efficiency Requirements 5+ years of experience in software engineering Strong C#/.NET development experience (production systems) Strong fundamentals in system design, concurrency, and performance Willingness to work with Rust in a production environment Experience with distributed systems and cloud platforms (preferably AWS) Practical use of AI tools in development workflows Nice to have Experience with messaging systems (Kafka, RabbitMQ, etc.) Exposure to financial systems or trading environments 2. Senior Rust Engineer (AI-driven systems) We are looking for an experienced Rust Engineer who combines strong systems engineering skills with a modern, AI-supported development approach, and is open to working in a multi-language environment that includes C#/.NET. This role focuses on building and scaling a high-performance trade management platform processing large volumes of data in distributed, event-driven architectures. The environment is highly performance-focused, with strong requirements around scalability, reliability, and low-latency processing. Key Responsibilities Develop and optimize high-performance backend systems in Rust Design and maintain scalable distributed services Collaborate with C# engineers and contribute to cross-stack system design Use AI tools to accelerate development, testing, and debugging Own solutions end-to-end, from architecture to production Improve system performance, reliability, and cloud efficiency Requirements 5+ years of experience in software engineering Strong Rust experience in production systems Strong fundamentals in system design, concurrency, and performance Willingness to work with C#/.NET in a hybrid environment Experience with distributed systems and cloud platforms (preferably AWS) Practical use of AI tools in development workflows Nice to have Experience with messaging systems (Kafka, RabbitMQ, etc.) Exposure to financial systems or trading environments

🏢 Summary: Senior DevOps Engineer role focused on building and scaling cloud-ready platform infrastructure for trading and data systems. The position centers on designing automated, reliable CI/CD pipelines and infrastructure as code while supporting Kubernetes environments across AWS and on-prem. The role also drives DevOps and SRE best practices to improve system reliability and delivery speed. 🗂️ Requirements: 6+ years in DevOps or Platform Engineering, Strong programming skills in Python or Go, Hands-on experience with Kubernetes, Experience designing and operating CI/CD pipelines, Experience with Infrastructure as Code using Terraform, Experience with AWS cloud environments, Experience with observability and monitoring tools 📃 Skills: Python, Go, Kubernetes, AWS, Terraform, CI/CD, IaC, Observability, SRE 🏢 Description: Senior DevOps Engineer – Platform Engineering We are looking for an experienced DevOps Engineer to help build and scale the core platforms powering our trading and data systems. In this role, you will design reliable, automated, and cloud-ready infrastructure , while influencing engineering standards across the organization. What you’ll do Build and evolve shared platform services with a focus on scalability and automation Design and operate CI/CD pipelines and infrastructure as code Champion DevOps & SRE best practices , including observability and reliability engineering Support Kubernetes-based environments across cloud (AWS) and on-prem systems Partner with engineering teams to improve service stability and delivery speed What we’re looking for 6+ years in DevOps / Platform Engineering Strong coding skills in Python or Go or other language Hands-on experience with Kubernetes, CI/CD, and IaC (Terraform) Experience working with AWS and modern observability tooling Why join? High impact role shaping core platform architecture Strong engineering culture with real ownership Opportunity to influence how teams build and run production systems

🏢 Summary: Hands-on Lead Software Engineer role focused on designing and modernizing high-volume distributed systems using C#/.NET, with a transition toward Rust. The position combines software architecture, development, and technical leadership while mentoring engineers and collaborating with global teams. The role also involves driving scalable platform evolution, integrating new capabilities, and leveraging AI-assisted development tools. 🗂️ Requirements: 5+ years of professional software engineering experience, Strong expertise in C#/.NET, Experience with distributed and service-oriented architectures, Understanding of concurrent and high-performance programming, Experience designing scalable and resilient high-volume systems, Willingness to work with Rust, Experience with AI-assisted software development, Knowledge of DevOps practices and tools, Strong communication and stakeholder management skills, Experience mentoring developers or leading engineering teams 📃 Skills: C#, .NET, Rust, Git, Jenkins, JIRA, AWS, Kafka, React, Angular 🏢 Description: About the Role We are looking for an experienced Lead Software Engineer with strong expertise in C#/.NET to take technical ownership of high-volume, distributed systems supporting critical processes. This is a hands-on leadership role combining software architecture and development with technical guidance and mentoring of a small engineering team. You will work closely with global technology and operations teams to expand and modernize the platform, while contributing to its ongoing evolution towards Rust. Responsibilities - Design and develop scalable, reliable, and high-performance distributed systems using C#/.NET. - Remain hands-on with software development, technical design, and code reviews. - Contribute to the modernization of the platform and migration from C#/.NET to Rust. - Support the integration of new products and capabilities into the platform. - Define technical standards, architecture principles, and development best practices. - Leverage AI-assisted development tools to improve engineering productivity and delivery. - Mentor engineers and provide technical guidance to a small team. - Translate business requirements into effective technical solutions. - Drive technical roadmaps, balancing short-term delivery with long-term platform scalability and reliability. Requirements - 5+ years of professional software engineering experience with proven technical leadership. - Strong expertise in C#/.NET and distributed, service-oriented architectures. - Good understanding of concurrent and high-performance programming. - Experience designing scalable, resilient, and high-volume systems. - Willingness and openness to working with Rust as part of the platform's ongoing technology evolution. - Experience with AI-assisted software development and modern engineering practices. - Knowledge of DevOps practices and tools such as Git, Jenkins, JIRA, or similar. - Strong communication and stakeholder management skills. - Experience mentoring developers or providing technical leadership. Nice to Have - Previous experience with Rust. - Knowledge of AWS, Kafka, serverless, or cloud-native architectures. - Experience with React or Angular. - Familiarity with event-driven architectures. - Experience in financial markets.

🏢 Summary: Senior Software Engineer role focused on developing and maintaining C#/.NET desktop applications for manufacturing and testing systems, including GUI development and hardware integration. The position combines desktop software engineering with Python-based test automation and parallel execution support in complex technical environments. 🗂️ Requirements: Strong experience with C# and .NET, Experience in desktop application development, Experience with WPF and MVVM, Experience with hardware integration and instrument control, Experience integrating Python scripts with .NET applications, Knowledge of multithreading and thread safety, Ability to troubleshoot using logs and system traces 📃 Skills: C#, .NET, WPF, MVVM, Python, Multithreading, GUI, Desktop, Hardware, Automation 🏢 Description: We are looking for a Senior Software Engineer to join a team developing advanced desktop applications for manufacturing and testing environments. This role is a good fit for someone who has strong experience with C#/.NET, enjoys solving complex technical problems, and is interested in combining software development with Python based test automation and hardware integration. ✅ Your responsibilities: Develop and maintain C# / .NET desktop applications for manufacturing and testing systems Build GUI features using WPF / MVVM Work with hardware integration, instrument control and automated test execution Integrate Python-based test scripts into .NET applications Support parallel execution, thread safety and application stability Troubleshoot issues using logs, traces and system data 🧠 Our requirements: Develop and maintain C# / .NET desktop applications for manufacturing and testing systems Build GUI features using WPF / MVVM Work with hardware integration, instrument control and automated test execution Integrate Python-based test scripts into .NET applications Support parallel execution, thread safety and application stability Troubleshoot issues using logs, traces and system data 🌟 What we offer: Private healthcare Multisport Life insurance Real influence on technical decisions Opportunity to work on a modern AI / ML product platform