Staff Software Engineer- MetaMask (Money Movement)

Requirements and responsibilities

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Details

Lead the technical direction and execution of fiat-to-crypto features and infrastructure.
Guide and mentor a team of junior and mid-level engineers (across backend, frontend, desktop, and mobile).
Build secure, scalable systems that connect users to third-party payment service providers( and payments infrastructure.
Collaborate with product managers, designers, data analysts, and engineers from across MetaMask to ship cross-platform features.
Maintain high code quality through design discussions, reviews, testing, and documentation.
Help ensure the reliability, observability, and performance of the Money Movement services.
Own architectural decisions that affect revenue-generating user flows.
Partner with mobile and extension platform teams to create unified, seamless money movement experiences.
5+ years of full-stack or backend engineering experience, including demonstrated success in a Staff (or equivalent) role.
A track record of setting technical direction and driving impact across a team or organization — not just shipping individual features.
Strong experience with TypeScript, Node.js, React Native and modern web technologies.
Demonstrated experience leading projects across multiple workstreams, mentoring engineers, and making architectural decisions across web, iOS, and Android applications.
Experience in fintech, payments, or financial services is strongly preferred.
Familiarity with payment infrastructure, APIs, and 3rd party integrations.
Ability to think critically about edge cases, system security, and failure modes.
Strong collaboration and communication skills, especially in remote-first teams.
Experience working in agile environments with cross-functional teams.
Commitment to clean code practices, testing, and maintainable software.
Experience working on fiat on/off-ramp systems, DeFi, or financial infrastructure.
Understanding of Web3 fundamentals, wallets, and the MetaMask ecosystem.
Familiarity with mobile-first development and cross-platform architecture.
Interest in performance optimization, observability, and long-term system health.