C# developer in fintech

An elite Fin Tech client is looking to expand their high-performance engineering team with talented C# Developers. This is a rare opportunity to work in a cutting-edge financial technology environment, where innovation, collaboration, and technical excellence are core to everything they do. You'll be working alongside some of the most accomplished technologists in the industry, within a business that places an extremely high value on engineering.

With an unlimited technology budget, this team constantly invests in the best tools, infrastructure, and people to remain at the forefront of financial systems innovation.

• Building and maintaining highly scalable, low-latency systems used in real-time financial environments.
• Developing robust, efficient C#/.NET applications, with opportunities to contribute to design, architecture, and performance optimization.
• Collaborating across teams including Front Office, Dev Ops, and Quant Engineering.
• Gaining exposure to other modern technologies and paradigms – including distributed systems, microservices, and high-frequency data handling.
• Contributing to strategic platform decisions with direct exposure to key stakeholders and senior engineers.

• Strong C# / .NET programming skills – writing clean, performant, maintainable code.
• Solid Computer Science fundamentals – including data structures, algorithms, and concurrency.
• 1+ years of professional development experience – open to candidates from fintech, banking, or other high-performance tech environments.
• Comfortable working in a fast-paced, agile, and test-driven environment.
• Будет плюсом:
  Experience working on complex systems in a financial or mission‑critical context is highly desirable;
  Familiarity with multithreading, asynchronous programming, and performance tuning is a strong plus

• Up to £170,000 + Bonus + Comprehensive Benefits
• Elite Engineering Culture – Work with the brightest minds in finance and tech.
• Massive Tech Investment – Access the best tools, hardware, and resources.
• Flat, Agile Environment – Minimal bureaucracy, fast decision‑making, and rapid deployment.
• High Impact Work – Your code will directly contribute to systems used globally for real‑time financial trading and decision‑making.
• Hybrid Flexibility – Work remotely part of the week while enjoying a vibrant London office culture.