C# Developer

Responsibilities

• Developing and maintaining scalable .NET/C# services within a distributed streaming architecture
• Building and supporting real-time data processing systems for P&L and risk analytics
• Working on out-of-process services, system integrations, and data materialisation layers
• Driving Agile best practices, including test-driven development (TDD) and automation
• Collaborating with global teams across EMEA, NY, and APAC
• Taking ownership of features and proactively proposing improvements
• Troubleshooting issues and helping unblock cross-team dependencies
• Essential Skills & Experience
• Strong expertise in C# / .NET development
• Experience with Redis Cluster
• Solid understanding of TDD and automated testing
• Experience with CI/CD pipelines
• Strong communication and stakeholder engagement skills
• Ability to quickly learn and adapt to new technologies
• Passion for automation, simplicity, and continuous improvement
• Strong grounding in computer science fundamentals and design patterns
• Collaborative team player with a proactive mindset
• Desirable Skills
• Experience with distributed systems, streaming, and messaging (e.g. Rx .NET)
• Knowledge of performance and memory profiling
• Experience optimising systems for speed and efficiency
• Familiarity with modern CI/CD tools and practices
• End-to-end experience across the full software development lifecycle
• If you're a passionate C# developer looking to work on complex, distributed systems in a fast-paced environment, we'd love to hear from you.
• #TalanUK

Additional Information

C# Developer - London (Hybrid, 3 Days On-Site) Talan is looking for a talented and driven C# Developer to join a high-performing team in London. This is a hybrid role, with 3 days per week on-site, offering the opportunity to work on cutting-edge financial systems within a global markets environment. You will play a key role in building and enhancing a distributed, real-time P&L and risk analytics platform used by Fixed Income Rates and FX trading desks globally. This system delivers predictive and live P&L insights, supporting critical trading decisions across international markets. Working closely with developers, traders, and quantitative teams, you'll contribute across the full development lifecycle from design and implementation to optimisation and deployment.

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