Hiring: Senior React Native Engineer (Fantasy Sports) Company: Sleeper Location: New York City Metropolitan Area Job Posted Time: 2026-09-09 18:55:40 Target Skills & Keywords : Accessibility, GraphQL, Make, Move, RESTful, React, React Native, TypeScript, jQuery About the job Experience: •10+ years of operation with NBA, LCS, and soccer. In Sleeper Picks, our real-money Daily Fantasy Sports (DFS) game, users predict player performance against projections provided by third-party vendors. We are at the forefront of innovation in the sports gaming industry, backed by some of Silicon Valley's top investors. •4+ years of mobile application development experience, with React Native as your primary framework Required Skills: •Collaborate with designers to understand user requirements and translate them into technical specifications for our fantasy sports product. •Write clean, maintainable, and efficient code using React Native, TypeScript, and related libraries (React Query, Navigation, Reanimated, etc). •Troubleshoot and debug complex performance, socket, data caching and other issues. •Develop reusable UI components and implement a well-structured component hierarchy for the application. •Integrate front-end components with back-end services using APIs (RESTful or GraphQL). •Stay up-to-date on the latest advancements in React Native, mobile development best practices, and accessibility guidelines. Qualifications: •An active fantasy sports player: you're in leagues each season and have opinions about how the product should work •4+ years of mobile application development experience, with React Native as your primary framework •Desire to take on and own a large scale product with freedom to design and develop a best in class experience •Proven ability to develop and implement algorithms or systems in a professional setting, with strong coding skills and knowledge of best practices •Comfortable in fast-paced and ambiguous environments, working inside a large, established codebase •Hold a degree in Computer Science or have equivalent experience Compensation: •A salary range of $180,000 to $235,000 USD, based on experience, plus benefits including Medical, Dental, PTO, and 401k. •A small, impactful team environment where you can truly make a difference. •Support for professional growth with a company backed by leading investors. Interested candidates, please apply directly through the job posting on company's career page or try via AI auto apply on this platform. Don't miss this opportunity to join a forward-thinking team!