Software Engineer

Software Developer | London | Hybrid | £70,000 - £80,000

We're working with a high-performance FinTech trading specialist on this exciting opportunity.

Are you ready to build the future of algorithmic trading? We are looking for a Senior Software Developer to join an elite team of engineers building high-frequency, greenfield applications using C#, .NET, and SQL Server. This is a rare chance to take full ownership of the development lifecycle and influence the architecture of a sophisticated trading platform.

The Role

• Lead the design and development of mission-critical trading applications from the ground up using C# and the latest .NET platform.

• Architect robust, high-performance database solutions using SQL Server to handle complex financial data streams.

• Build modern, responsive front-end interfaces using Angular and TypeScript, alongside sophisticated desktop components in WPF.

• Collaborate with a team of top-tier developers and mathematicians to implement complex financial modelling and multi-threaded application logic.

• Drive innovation through greenfield projects, ensuring the codebase remains clean, scalable, and optimized for speed.

What You'll Need

• Proven expertise in C# and the .NET ecosystem, with a deep understanding of multi-threaded application development.

• Strong full-stack capabilities including Angular, TypeScript, and WPF for high-performance desktop UI.

• Advanced SQL Server skills and experience with complex data modelling and financial platforms.

• A high-level aptitude for technology, backed by a BSc or higher in Computer Science or Mathematics from a Russell Group university (or equivalent).

• Exceptional communication skills and a collaborative mindset, comfortable working in a fast-paced trading environment.

What's On Offer

• Competitive salary up to £80,000 with a comprehensive benefits package and performance bonuses.

• Direct impact on greenfield trading projects where you can make your mark on the development process early on.

• A high-intellect, collaborative environment working alongside some of the best engineering minds from across Europe.

• Access to the latest technology stacks and continuous professional development opportunities.

Apply via Haystack today!