Senior Staff React Native Engineer ($500k - 1.5m salary)

Who We AreBaton Corporation is the development company that builds and operates the entire technology stack behind pump.fun, the largest memecoin launchpad in production today. The systems are low latency, high throughput, live under constant load, and break if you get them wrong.What You'll DoAs a Senior Staff React Native Engineer, you'll remain deeply hands-on while shaping the technical direction of our mobile platform. You'll take ownership of the hardest problems, influence architectural decisions, and elevate the engineers around you - all while continuing to ship production code at a high velocity.Lead by example through high-impact code contributions across critical areas of the mobile stackOwn the most complex technical initiatives, from architecture design to production deploymentSet technical direction for mobile architecture while remaining deeply involved in implementationEstablish and evolve patterns for performance, reliability, and security in a crypto-native environmentOptimise for speed, efficiency, and scalability, creating a seamless bridge between blockchain interactions and mobile-first designWork closely with backend engineers to integrate APIs, real-time data streams, and decentralised technologiesIterate quickly-shipping features, gathering feedback, and refining the mobile experience to drive engagement and retentionSolve complex technical challenges related to crypto wallets, smart contract interactions, and real-time data updatesMaintain a clean, modular, and scalable codebase while pushing the boundaries of mobile developmentCollaborate with designers, engineers, and product leaders to shape the future of our mobile platformWho You Are8-12+ years of engineering experience, with deep expertise in React Native and mobile architectureProven track record of owning and shipping large, technically complex systems end-to-endComfortable operating as the technical anchor for a product area while remaining fully hands-onStrong architectural instincts, but biased toward pragmatic executionAble to influence technical direction through clarity of thinking and strength of implementationExperienced in high-growth environments where you've helped systems evolve under rapid scaleNaturally raises the bar for code quality, performance, and engineering standards around youWhat It's Like To Work HereWe work in personHours can be long and unconventionalThe pace is intenseExpectations are high, and impact is immediateWorking at Baton is not for everyoneWhy Join Us?Unmatched ownership and autonomyExposure to systems operating at the edge of crypto scaleThe ability to ship fast and see real-world impact immediately