> Markdown version of [/jobs/ext/4492177-senior-c-developer-finance](https://www.wearedevelopers.com/jobs/ext/4492177-senior-c-developer-finance). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior C# Developer - Finance - **Company:** Client Server - **Location:** London, UK - **Experience:** Expert - **Salary:** £150,000.0 - **Contract:** Permanent contract - **Skills:** ASP.NET, JavaScript (Programming Language), Algorithmic Trading, C Sharp (Programming Language), Databases, Data Structures, Software Design Patterns, Object-Oriented Software Development, Oracle (Applications), SQL Databases, ReactJS, Backend, Information Technology, Api Design - **Published:** November 2, 2026 - **Apply:** https://www.apply4u.co.uk/jobs/senior-c-developer-finance/54702816 ## About the Role You have expertise with C# .Net, ASP.Net development You have a strong knowledge of databases (SQL or Oracle) You're comfortable with JavaScript / React You have a thorough knowledge of Computer Science fundamentals such as OOP, Design Patterns, Data Structures, Algorithms You are collaborative with excellent communication and stakeholder management skills You are degree educated in Computer Science or similar technical discipline ## Description Senior C# Developer / Software Engineer (C# .Net) London onsite to £150k Opportunity to progress your career in a senior, hands-on C# Developer role at a global Asset Manager with c$3 million under management. As a Senior C# Developer within the trading engine team you'll collaborate to design and develop real-time trading systems, you'll often be collaborating with he strategy team on Greenfield projects which you'll take ownership of and will see the business impact of. There's a focus on C# .Net backend and API development although you'll also have elements of front end work with JavaScript and React.js.