Design and build core backend systems that power Sleeper's games and real-time user experiences—fantasy contests, Sleeper Picks, user profiles, leaderboards, and more. Architect scalable, distributed systems capable of handling millions of concurrent users with low latency and high availability. Lead backend initiatives from concept to deployment, ensuring clean interfaces, well-documented services, and resilient infrastructure. Optimize system performance and proactively address bottlenecks through monitoring, profiling, and capacity planning. Collaborate cross-functionally with product, design, and frontend teams to deliver features that users love. Mentor engineers, provide thoughtful code reviews, and shape backend engineering best practices and standards. Drive innovation, technical direction, and team culture as a key engineering voice at the leadership level.