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# Senior Software Engineer (C#/.NET)

- **Company:** ARC IT Recruitment
- **Location:** London, UK
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** .NET Framework, Application Programming Interfaces (APIs), Amazon Web Services, C Sharp (Programming Language), Continuous Integration, Distributed Systems, Information Technology, Docker
- **Published:** August 7, 2026
- **Apply:** https://www.careerboard.com/pt/en/find-jobs-in-United-Kingdom/-09060E4B9DF2094114/

## About the Role

* Strong hands-on experience in C#/.NET, with real experience leading OR mentoring engineers
 * A strong portfolio of distributed systems built for production, not just proof-of-concept
 * The ability to talk to a quant as comfortably as a business stakeholders
 * A desire to really excel in a thriving organisation
 * Degree in computer science or similar
 * Some familiarity with financial market data (Bloomberg, Reuters or similar) is desirable
 * A bonus if you have: exposure to the order-to-trade life cycle, Bloomberg APIs, Docker or AWS. Although not essential.

If you are interested in a growth role, working with truly exceptional organisation who offer both unbeatable career and financial gains, please do get in touch.

## Description

You'll lead a small, focused team of .NET developers building systems that sit at the heart of the business - touching trading, compliance, and operations. You'll own architecture decisions, drive delivery, and shape how the team works. Critically, you'll stay hands-on: this firm values engineers who can still get into the detail.

You'll have the autonomy to do things properly - best practices in testing, CI/CD, and system design aren't aspirational here, they're expected.


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