Staff Frontend Engineer ($300k - $500k 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 Staff Frontend Engineer, you’ll own the design and evolution of large parts of our frontend architecture. This is a hands-on, high-impact role focused on building fast, reliable, and maintainable user-facing systems under real load. - Architect and evolve large-scale frontend systems using React and Next.js that serve hundreds of thousands of users -

• Own performance, reliability, and correctness across critical user flows, including rendering performance, state management, and data fetching -
• Design frontend abstractions and patterns that scale with team and product complexity, not just feature count -
• Work closely with backend and Solana engineers to define clean, efficient client–server boundaries -
• Lead complex frontend initiatives end to end, from technical design through implementation, rollout, and iteration - Set a high bar for code quality, testing, and operational readiness across the frontend codebase - Mentor and unblock other frontend engineers through design reviews, pairing, and hands-on guidance WHO YOU ARE - A staff-level frontend engineer with deep experience building production React applications at scale - Have owned frontend systems used by large, real user bases, not just internal tools or small apps -
• Strong understanding of browser internals, rendering pipelines, performance optimisation, and modern frontend tooling -
• Comfortable designing systems that balance developer velocity, performance, and long-term maintainability -
• Deep experience with React, Next.js, and TypeScript; comfortable working close to the metal when needed - High-agency and ownership-driven, able to drive large initiatives with minimal guidance - Thoughtful about tradeoffs and able to make pragmatic decisions based on real-world constraints - Interested in crypto systems or high-scale consumer products, and excited by fast-moving environments 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.