Senior React Native Developer to join a team building a new mobile wallet for Hyperliquid. You will take ownership of the mobile app from architecture decisions to production delivery, working closely with backend and product teams. Build and maintain a mobile-first trading application using React Native. Design and implement scalable, maintainable mobile architecture. Work on wallet integrations (connect, sign transactions, manage assets). Ensure smooth interaction with backend services and blockchain data. Optimize app performance, reliability, and user experience across iOS and Android. Collaborate closely with backend engineers, product managers, and designers. Take ownership of features from idea to production and post-release improvements. Maintain high code quality, testing, and release processes.