Senior React Native Developer (Crypto Wallet & Card)

About the role

We are seeking a Senior React Native Developer to lead the development of a non‑custodial crypto wallet and card ecosystem. The role sits at the intersection of fintech innovation and blockchain, delivering high‑impact mobile features to a global user base.

Key responsibilities

• Own and evolve core wallet functionality: send/receive, balances, transaction history, swaps, bridges, on/off‑ramp flows.
• Lead development of extended features such as crypto card integration, IBAN‑like payments, subscriptions, onboarding, and multi‑provider expansion.
• Drive full‑lifecycle ownership from architecture and planning to implementation, testing, deployment, monitoring, and iterative improvement.
• Collaborate closely with Product, Design, QA, and backend teams to deliver scalable, high‑quality mobile experiences.
• Participate in on‑call rotation, contribute to system reliability, and produce clear technical documentation.

Required profile

• 5+ years of frontend engineering experience, with at least 3 years building production React Native applications.
• Strong background in fintech or crypto products, preferably with non‑custodial wallets and on‑chain transactions.
• Expert‑level proficiency in React, React Native, and TypeScript, with solid testing practices.
• Security‑focused mindset for applications handling real user funds.
• Upper‑intermediate English communication skills.

Required skills

• React, React Native, TypeScript
• Testing frameworks: Jest, Detox
• State management and data fetching: Redux Toolkit, Zustand, React Query
• Mobile libraries: WalletConnect, Reanimated, Skia, Sentry, Firebase
• Version control and CI/CD: Git, automated release pipelines
• Blockchain ecosystems: EVM‑compatible networks, Bitcoin, Tron, Solana, TON