JOIN US IN BUILDING THE FUTURE OF FINANCE. Our mission is to democratize finance for all. An estimated $124 trillion of assets will be inherited by younger generations in the next two decades. The largest transfer of wealth in human history. If you’re ready to be at the epicenter of this historic cultural and financial shift, keep reading. About the team & role We are building an elite team, applying frontier technologies to the world’s biggest financial problems. We’re looking for bold thinkers. Sharp problem-solvers. Builders who are wired to make an impact. Robinhood isn’t a place for complacency, it’s where ambitious people do the best work of their careers. We’re a high-performing, fast-moving team with ethics at the center of everything we do. Expectations are high, and so are the rewards. Our Core Exchange team is responsible for all trading interfaces — including the Exchange REST API, FIX API, WebSockets, and market data services. The team’s mission is to deliver a best-in-class trading experience for API users, with a relentless focus on latency, reliability, and data correctness. As a Staff Software Engineer, you will help scale our trading infrastructure to meet the evolving needs of our most sophisticated users. This is a high-impact role for engineers who love low-latency systems, deeply care about precision, and want to directly shape the tools used by active traders worldwide. This role is based in our London office, with in-person attendance expected at least 3 days per week. Requires participation in an on-call rotation to support business needs. What you'll do * Design and build performant, reliable, and scalable services for our API trading ecosystem. * Optimize low-latency data flows and trading paths, ensuring correctness under pressure. * Own and evolve core components of our REST, FIX, and WebSocket APIs. * Collaborate with product, infrastructure, and frontend teams to deliver seamless API solutions. * Participate in the team’s on-call rotation, supporting mission-critical systems used by our most active clients. * Continuously measure, monitor, and improve the trading API experience. What you bring • 10+ years of backend engineering experience. • Proven experience designing high-performance systems with low-latency and high-throughput requirements. Familiarity with cloud infrastructure, especially AWS services. • Solid database experience: SQL (MySQL) and/or NoSQL (DynamoDB). • Experience working on or with production-grade trading APIs or high-volume systems. • Structured thinker with strong communication skills and a customer-first mindset. Nice to have * You’ve built or operated your own automated trading bot or trading system. * Hands-on experience with the FIX protocol and order management systems. * Knowledge of WebSockets, streaming market data, or real-time API performance tuning. * Passion for financial markets and an interest in building tools for professional traders. What we offer * Challenging, high-impact work to grow your career * Performance driven compensation with multipliers for outsized impact and bonus programs * Top tier benefits to fuel your work, including supplemental health insurance, ancillary insurance, and mental health support programs * Lifestyle wallet - a highly flexible employer-paid benefits spending account expenses beyond traditional benefits such as wellness, childcare, learning, and more. * Time off to recharge including company holidays, paid time off, sick time, paid volunteer time off, parental leave, and more! * Exceptional office experience with catered meals, events, and comfortable workspaces. * Monthly commuter stipend to help offset in-office commuting costs Click here to learn more about our Total Rewards, which vary by region and entity. If our mission energizes you and you’re ready to build the future of finance, we look forward to seeing your application. Robinhood provides equal opportunity for all applicants, offers reasonable accommodations upon request, and complies with applicable equal employment and privacy laws. Inclusion is built into how we hire and work—welcoming different backgrounds, perspectives, and experiences so everyone can do their best. Please review the Privacy Policy for your country of application.