Senior Full-Stack Mobile Engineer

About the Role

Build and ship KindWallet — our flagship React Native mobile wallet for Solana. You'll own features end-to-end across the full stack: crafting pixel-perfect mobile UI, integrating on-chain transaction flows, and building the serverless APIs that power them.

Products You'll Work On

• KindWallet — React Native Mobile Wallet
• KindSwap — DEX Aggregator (Mobile Integration)
• KindPerps — Perpetuals Trading (Mobile)
• KindAlgo — AI-Powered Trading Signals
• KindPredict — Prediction Markets (Mobile)

Requirements

• 4+ years building production React Native apps (Expo or bare workflow)
• Strong TypeScript and modern React patterns (hooks, context, state management)
• Experience with Solana Web3.js, wallet adapters, and transaction signing flows
• Backend proficiency — Node.js / serverless (AWS Lambda, API Gateway) or equivalent
• Deep understanding of mobile performance optimisation, animations (Reanimated), and gesture handling
• Experience with secure key management in mobile environments (Keychain, Keystore, MPC/TSS)
• CI/CD for mobile releases (EAS Build, Fastlane, or similar)

Nice to Have

• Rust exposure for native modules or on-chain program interaction
• Experience integrating Privy, Dynamic, or embedded wallet SDKs
• Familiarity with real-time data (WebSockets, Supabase Realtime, or gRPC streams)
• Knowledge of biometric authentication and secure enclave usage
• Published apps with 10k+ active users
• Understanding of DeFi primitives — AMMs, order books, lending protocols