Founding Mobile RN Engineer

About Arcade We're the team behind PRJX, the #1 DEX on HyperEVM, which generated $5.4M revenue in year one with 2 full time people. Now, we're pursuing the biggest opportunity in crypto. The foundation of which is creating the best place to trade crypto (spot + perps) on your phone. On top of that, we’re building a completely original social product with several novel mechanisms. We’ll reveal more to promising candidates, but whatever you think it may be, think bigger. The Role Staff+ level · $180,000+ · significant equity Stack. Expo ~54 · React Native · TypeScript · Reanimated · Privy · viem · Solana · Hyperliquid SDK · cross-chain routing and bridging · PostHog · Sentry. Skia, Swift, and Kotlin are a plus. Details. Remote · NA/EU timezone ideal · Full-time · Primarily async You're the first and only engineer in your domain. Your job is to take an original product vision and turn it into a robust system, holding the entire architecture and smallest details at once. You will… Build the best mobile trading app in the world. Own the entire user experience. Keep the interface truthful under live market data. Hold 60fps on mid-range Android under sustained load. Automate weekly iOS and Android releases. You have… Independently designed, implemented, and scaled a consumer mobile app. Extended React Native itself across new architecture, Hermes, JSI, and custom native modules. Built gesture-driven motion under concurrent state change. Delivered production trading interfaces spanning order entry, TP/SL, TWAP, perps, funding, and leverage. Implemented on-device key custody for embedded wallets, EIP-7702, SIWE, and cross-chain swaps.