Senior React Native Developer (Crypto Wallet & Card)

About the role

We are looking for a Senior React Native Developer to lead the development of a non‑custodial crypto wallet and card ecosystem used by a global user base. The role sits at the intersection of fintech innovation and blockchain technology, offering full ownership of high‑impact mobile features and the chance to shape product architecture.

Key responsibilities

• Own and evolve core wallet functionality, including send/receive flows, balances, transaction history, swaps, bridging, and on/off‑ramp experiences.
• Lead development of extended features such as crypto card integration, IBAN‑like payment systems, 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‑grade 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.
• Ability to conduct technical research, evaluate trade‑offs, and make data‑driven architectural decisions.

Required skills

• React, React Native, TypeScript
• Jest, Detox
• React Query, Redux Toolkit, Zustand
• WalletConnect, Reanimated, Skia, Sentry, Firebase
• Git workflows, CI/CD pipelines, automated release systems
• Understanding of EVM‑compatible networks, Bitcoin, Tron, Solana, TON