Protofire

Mobile Developer (iOS + Android)

  • Protofire

Job Description

Protofire is looking for a Mobile Developer to build a consumer mobile app (iOS + Android) focused on seamless onboarding and DeFi credit flows. You’ll work closely with product and backend teams to deliver an MVP with a strong UX and production-grade security.

Requirements

  • 5+ years of professional mobile development experience
  • Strong experience with iOS and/or Android (native Swift/Kotlin) or cross-platform (React Native / Flutter)
  • Proven experience shipping production mobile apps
  • Solid understanding of wallets, key management, self-custody, and blockchain transaction flows
  • Hands-on experience with EVM / Web3 SDKs, DeFi interactions, signing, and security best practices
  • Comfortable working with APIs, state management, and mobile performance optimization
  • English B2+ (spoken and written)

Nice to have

  • Experience integrating embedded wallet providers (e.g., Privy, Dynamic, Web3Auth, Turnkey)
  • Experience with KYC/card providers and card lifecycle flows
  • Experience building fintech apps (payments, credit, lending)
Apply Now
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