Java Software Engineer

A well-established quantitative trading firm is hiring a Java Software Engineer to join the team responsible for their proprietary trading and execution platform. The firm operates across algorithmic execution and systematic investing, serving institutional clients globally. This is a hands-on engineering role at the heart of a live, high-stakes trading system, with real ownership from day one. This position is onsite, in their London office. What you’ll do: Own and deliver the roadmap for the firm’s core trading and execution platform. Work directly with execution brokers to improve algorithmic performance, incorporating research feedback and coordinating A/B testing. Onboard new execution brokers and implement approved execution enhancements. Build, maintain, and improve Transaction Cost Analysis (TCA) reporting. Contribute to the architectural evolution of the platform alongside a senior engineering team. Participate in the production support rota. You’ll need: 4+ years of software development experience, with strong Java skills. Prior experience in execution systems at a bank, hedge fund, or financial services firm. Exposure to equities trading or related markets. Degree in a STEM discipline. Bonus: Python experience. If you haven’t heard back within 3 days, your application was unfortunately unsuccessful.