We’re hiring a Lead Mobile Engineer to drive the user-facing side of our platform. This role is all about mobile: you’ll design and build iOS and Android apps, refine cross-platform frameworks, and craft interfaces that feel fast, intuitive, and trustworthy. You’ll also shape the SDKs and developer tools that make our mobile app better. We’re looking for deep mobile expertise (React Native), native iOS/Android knowledge, and strong UX instincts. You’ve shipped real products in fintech or blockchain, know how to balance speed with rigor, and care about clean architecture, security, and reliability. In this role, you’ll own projects end to end, turning complex requirements into simple, trustworthy workflows for admins and their end-users.

Responsibilities

• Lead the design and development of our iOS/Android apps.

• Own features from idea to launch to iteration.

• Refine SDKs and cross-platform frameworks for smooth integrations.

• Bring fintech-grade UX and bank-grade security to mobile wallets.

• Set high standards for performance, security, and architecture.

• Partner with product and design to ship features fast.

• Write clear docs, review code, and mentor teammates.

Requirements

• 8+ years in mobile engineering, with experience leading projects.

• Expert in React Native or native mobile (Swift, Kotlin, etc.).

• Skilled in cross-platform development and SDKs.

• Hands-on with WebAuthn, passkeys, and secure authentication.

• Proven record of shipping mobile apps in fintech or onchain.

• Strong sense of UX, detail-oriented, and reliable.

• Clear communicator who thrives in fast-moving teams.

Process

• Intro call with Co-CEO (30 min).

• Personality and cognitive tests (45 min)

• Coding test in a language of your choice.

• Focus interviews with the hiring panel (180 min).

  • Code review

  • Architecture review

  • Security fundamentals

  • Culture check fit

• Final interview with CTO (30 min).

• Reference calls and background checks.

Terms

• Title: Lead Mobile Engineer.

• Salary: $140,000-220,000 per year (full-time).

• Equity: 100-200 stock options vested over 4 years.

• Benefits: Healthcare, 401K, and travel expenses.

• Location: United States (remote-first, office optional).

• Equipment: MacBook Pro + essentials.