Senior Full Stack Developer | C# & React | Greenfield Trading Platform | Hybrid

Senior Full Stack Developer | C# & React | Greenfield Trading Platform | London, Hybrid | Up to £120k + Bonus, Benefits

❗ Note :
This role does not provide Visa Sponsorship ❗

💹 Our client is looking for a Senior Full Stack Developer with strong expertise in C# to join them in shaping the future of financial technology and redefining trading experiences for the market.

They are a dynamic Trading House specializing in cross-asset derivatives. In response to growing customer demand and strategic expansion, they are embarking on an exciting initiative to rebuild and enhance their trading technology stack .

This transformation includes Clearing, Risk, and Click & Trade platforms , focusing on performance, scalability, and real-time data capabilities to give traders a competitive edge.

This is an exciting opportunity to work on real-time trading systems , where you’ll be responsible for full-stack development and play a key role in enhancing their trading platforms.

• C#.NET is the core back-end technology across the business.
• React is used for the front-end, making experience with it beneficial but secondary.
• As a Senior Developer , you’ll be hands‑on in development while also contributing to technical decisions.

💸 Salary : Up to £120,000 + Strong Bonus + Benefits

📍 Hybrid Working : 4 days per week in London (West End)

• Design, develop, and maintain scalable applications within the trading ecosystem.
• Work across the full stack , with a primary focus on C# back-end development .
• Ensure performance, maintainability, and testability of all solutions.
• Work closely with business users to understand requirements and deliver high‑impact solutions.
• Stay up to date with emerging technologies and contribute to the technical roadmap.
• Collaborate with the team , mentor junior developers, and uphold development best practices.

• 7+ years of experience in software development with a strong focus on C# and .NET .
• Proven experience in designing and building scalable, event‑driven architectures .
• React experience is a plus , particularly for building modern user interfaces.
• Proficiency in SQL , with Graph
  
  QL and Redux being beneficial.
• Experience in software development best practices, performance optimization, and debugging .
• Strong analytical skills for solving complex technical challenges.
• Excellent communication and stakeholder management skills.
• Financial Services experience is highly desirable, particularly within trading, investment, or front‑office environments .

If you are interested in this opportunity, please reply to this ad with your updated CV or send it directly to Joe – let’s chat!