C# Developer

talan· Engineering & Development IT
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📍 England📍 London📍 London, England, United Kingdom📍 gbFull time

About this role

Company Description

Job Description

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.

What You’ll Be Doing

  • 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.

Qualifications

Additional Information

#TalanUK

Frequently Asked Questions

Is the salary disclosed for the C# Developer position at talan?
The salary for this C# Developer role at talan is not publicly listed. Click "Apply Now" to learn more about the compensation package on their official careers page.
Where is the C# Developer position at talan located?
This C# Developer role at talan is based in England, London, London, England, United Kingdom, gb. The position is listed as on-site or hybrid. Check the full job description or apply directly to confirm the work arrangement.
Is the C# Developer role at talan full-time or part-time?
This is listed as a Full time position. It is posted as a C# Developer role in the Engineering & Development IT department at talan.
Which team or department does the C# Developer at talan belong to?
This C# Developer position is part of the Engineering & Development IT department at talan. See the full job description for more information about the team structure and responsibilities.
How do I apply for the C# Developer position at talan?
Click the "Apply Now" button on this page. You will be redirected to talan's official application portal hosted on smartrecruiters where you can submit your application directly.
When was the C# Developer job at talan posted?
This C# Developer position at talan was posted on Jun 9, 2026. Apply as soon as possible — early applications are often reviewed first.
C# Developer
talan
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