Senior Proximity Developer (C#/.NET)

Senior Software Developer (VP) – (Corporate Investment Banking industry)

📍 London | Front Office Technology | Global Markets

Are you a hands-on developer with strong C#/.NET expertise and experience working directly with trading desks? This is a software proximity position where you’d be building and supporting real-time trading tools used directly by Front Office teams, working closely with traders and quants in a fast-moving live trading environment.

Why this role?

This is a true front-office technology position where you will:

• Work directly with traders, sales, and quants
• Build applications that are used in live trading environments
• Take ownership from idea through to production and support
• Operate in a fast-paced, high-stakes banking environment

Key requirements (must-have)

• Strong experience in C# / .NET development
• Solid banking background with exposure to Front Office environments
• Good understanding of derivatives and options (Greeks, pricing, curves)
• Experience within Commodities markets (highly preferred)
• Mid–Senior level experience with proven ownership of systems

What you’ll be doing

• Partner with Front Office users to gather, analyse, and anticipate business needs
• Design and deliver custom proximity applications for trading and risk
• Evaluate and propose multiple technical solutions to support business decisions
• Build and maintain robust, scalable systems in a production environment
• Provide hands-on support for business-critical trading tools
• Drive continuous improvement through enhancements, bug fixes, and optimisation
• Contribute to architecture and technical design decisions
• Collaborate with Quants, MO/BO teams, and global IT stakeholders

Technical environment

• C# / .NET Core, Entity Framework
• WPF (or similar desktop UI frameworks)
• Angular (nice to have)
• SQL Server, MongoDB
• Microservices & containerisation
• Market data integration (Bloomberg, Reuters)

What sets you apart

• You understand both technology and markets
• You’re comfortable in fast-moving, high-pressure environments
• You take a pragmatic, solution-driven approach
• You enjoy being close to the business and decision-making

The opportunity

You’ll be part of a global Commodities IT team building a resilient and scalable trading ecosystem, with direct visibility and impact across the business.

Apply now

If you’re a mid-to-senior developer with a banking background looking to step deeper into the front office and Commodities space, this is a standout opportunity.