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

WHO WE ARE Baton Corporation is the development company that builds and operates the entire technology stack behind pump.fun http://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 DO As 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 stack -
• Own the most complex technical initiatives, from architecture design to production deployment - Set technical direction for mobile architecture while remaining deeply involved in implementation -
• Establish and evolve patterns for performance, reliability, and security in a crypto-native environment - Optimise for speed, efficiency, and scalability, creating a seamless bridge between blockchain interactions and mobile-first design -
• Work closely with backend engineers to integrate APIs, real-time data streams, and decentralised technologies -
• Iterate quickly—shipping features, gathering feedback, and refining the mobile experience to drive engagement and retention - Solve complex technical challenges related to crypto wallets, smart contract interactions, and real-time data updates -
• Maintain a clean, modular, and scalable codebase while pushing the boundaries of mobile development -
• Collaborate with designers, engineers, and product leaders to shape the future of our mobile platform WHO YOU ARE - 8–12+ years of engineering experience, with deep expertise in React Native and mobile architecture -
• Proven track record of owning and shipping large, technically complex systems end-to-end -
• Comfortable operating as the technical anchor for a product area while remaining fully hands-on -
• Strong architectural instincts, but biased toward pragmatic execution - Able to influence technical direction through clarity of thinking and strength of implementation - Experienced in high-growth environments where you’ve helped systems evolve under rapid scale - Naturally raises the bar for code quality, performance, and engineering standards around you WHAT IT'S LIKE TO WORK HERE - We work in person - Hours can be long and unconventional - The pace is intense - Expectations are high, and impact is immediate -
• Working at Baton is not for everyone WHY JOIN US? - Unmatched ownership and autonomy - Exposure to systems operating at the edge of crypto scale - The ability to ship fast and see real-world impact immediately If you’re motivated by responsibility, speed, and building products used by massive audiences, you’ll feel at home here.