Senior React Native Developer – Crypto Wallet

About the role

We are seeking a Senior React Native Developer to lead the development of a high‑performance, non‑custodial crypto wallet. The role sits at the intersection of mobile engineering, fintech innovation, and blockchain technology, delivering core user‑facing features and advanced financial products.

Key responsibilities

• Own and evolve core wallet features such as sending/receiving assets, transaction history, swaps, bridges, and onboarding flows.
• Lead development of advanced products including crypto cards, IBAN‑based payments, subscriptions, and multi‑provider integrations.
• Drive end‑to‑end feature delivery from architecture and implementation to testing, production monitoring, and iterative improvement.
• Collaborate with Product, Design, Backend, and QA teams to define user experience and ensure high‑quality releases.
• Participate in on‑call rotation to support production systems and maintain reliability of financial operations.
• Produce technical documentation, internal guides, and occasional product demos for cross‑functional teams.
• Contribute to architectural decisions and continuously improve system performance, scalability, and maintainability.

Required profile

• 5+ years of frontend development experience, with at least 3 years building production‑grade React Native applications.
• Proven experience in high‑load fintech or crypto applications, preferably non‑custodial wallets handling real user transactions.
• Strong understanding of secure software development practices in financial contexts.

Required skills

• React, React Native, TypeScript
• Testing frameworks: Jest, Detox
• Mobile tooling: Expo modules, React Native CLI
• Blockchain ecosystems: EVM‑compatible chains, Bitcoin‑family networks, Tron, Solana, TON
• Experience with secure coding, performance optimization, and scalability