Lead Mobile Engineer

Client is looking for aLead Mobile Engineer to drive the user-facing side of their 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. Candidate must havedeep mobile expertise (React Native), native iOS/Android knowledge, and strong UX instincts.

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 on-chain.

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

Clear communicator who thrives in fast-moving teams.

Remote - US or EU (remote-first, office optional).

Based in EST timezone, preferably close to France, Paris is always the major.

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