Senior Frontend Engineer

Senior Frontend Engineer - Wallets-as-a-Service Platform Location: Remote – US or EU (remote‑first, office optional). Ideally based in EST or as close to France or Paris is preferred. Compensation: $160K - $220K

We are hiring an engineer to drive the user‑facing side of our platform, building the backbone of blockchain wallet infrastructure for the next financial era. This high‑impact role requires deep expertise in modern frameworks, cross‑platform development, and strong UX instincts. It is not a narrow frontend role; you will move fluidly between polished user experiences and the developer tools that make them possible.

Responsibilities

Full Feature Ownership: Take complete ownership of features, guiding them from the initial idea through launch and subsequent iteration.

Application Development: Build web and mobile applications for our Wallets‑as‑a‑Service platform.

Developer Experience (DX): Develop SDKs and tools that make integrations simple and seamless for developers.

UX/UI Focus: Bring fintech‑grade UX and strong design sensibilities to blockchain wallets and user interfaces.

Architecture: Design for clean architecture, speed, and security, ensuring reliable performance under high demand.

Collaboration: Work closely with product and design teams to rapidly shape and ship new features.

Engineering Standards: Write clear documentation, rigorously review code, and uphold high engineering standards.

Requirements

Experience: 8+ years of frontend engineering experience, coupled with full‑stack capabilities.

Technical Mastery: Strong proficiency in TypeScript and modern frameworks (e.g., React Native) for cross‑platform delivery.

Mobile Skills: Skilled in mobile and cross‑platform development.

Security Focus: Hands‑on experience with secure authentication flows, including WebAuthn and passkeys.

Domain Track Record: Proven record of shipping user‑facing products in the fintech or on‑chain (blockchain) sectors.

Mindset: Strong sense of UX, detail‑oriented, and committed to writing reliable, high‑quality code.

Soft Skills: Clear communicator who thrives in fast‑moving, collaborative teams.

Benefits

Compensation: Highly competitive salary range of $160,000‑$220,000 per year (full‑time).

Equity: Generous equity package (100‑200 stock options vested over 4 years).

Health & Retirement: Comprehensive Healthcare, 401K, and coverage for travel expenses.

Location: United States (Remote‑First), with optional office space.

Equipment: Provided with a MacBook Pro + essential equipment.

Impact: Build the core interfaces that define the user experience for next‑generation blockchain financial infrastructure.

Due to the high volume of applications we anticipate, we regret that we are unable to provide individual feedback to all candidates. If you do not hear back from us within 4 weeks of your application, please assume that you have not been successful on this occasion.

Commitment to Equality and Accessibility At MLabs, we are committed to offering equal opportunities to all candidates. We ensure no discrimination, accessible job adverts, and provide information in accessible formats. If you need any reasonable adjustments during any part of the hiring process or would like to see the job advert in an accessible format, please let us know at your earliest opportunity by emailing human-resources@mlabs.city.

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Seniority level: Mid‑Senior level

Employment type: Full‑time

Job function: Other – IT Services and IT Consulting

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