Senior Software Developer

In this role you will design and build high-performance C#/.NET applications for trading, research and data-heavy systems. You will own substantial development work, influence architecture, and collaborate with quantitative researchers and traders to deliver scalable software. You’ll work across greenfield and established platforms, optimizing performance and strengthening engineering standards. This is a hands-on, technically deep role with meaningful impact on trading and research outcomes.

• Design and develop high-performance C#/.NET applications
• Own complex projects from requirements and design to production
• Shape architecture and guide technical decisions
• Build scalable systems for trading, research and data workloads
• Develop and optimise relational databases (SQL Server, Oracle)
• Investigate performance bottlenecks and improve efficiency
• Apply multithreading, concurrency and asynchronous programming
• Mentor developers and uphold engineering standards
• Contribute to code reviews, automated testing and CI pipelines

• 5+ years of commercial software development experience
• Strong C# and modern .NET expertise
• OO design principles and architecture knowledge
• Production-grade applications with emphasis on performance, reliability and scalability
• Strong SQL skills with relational databases
• Full SDLC understanding
• Strong analytical and problem-solving abilities
• Clear communication with technical and non-technical colleagues
• Degree in Computer Science, Mathematics, Physics, Engineering or related technical field

• clear communication
• team collaboration
• mentoring
• C# / .NET
• Relational databases (SQL Server, Oracle)
• Multithreading and concurrency