About the company
Money is moving onto the internet, and the shift has a name: Open Money. This is money that is open, portable, agentic, and owned by you. MetaMask spent the last ten years building it; with 100M+ downloads, users in ~190 countries, and trillions in cumulative transaction volume, it's the most trusted self-custodial financial platform on the internet. Now we're building the operating system for your money: one place to hold, move, grow, and use anything you own. Join a remote-first, global team rebuilding how money works: a problem that touches everyone, every day.
Responsibilities
- Own the technical architecture and roadmap for MetaMask's Perpetuals experience across Extension and Mobile — from real-time price/position data flows to order execution and margin/liquidation UX
- Set technical direction and standards for trading-critical features: precision/decimal handling, state consistency under high-frequency updates, and resilience to feed/connectivity failures
- Drive cross-team technical alignment with other experience teams and backend/protocol integration teams to ship complex, multi-team projects
- Identify and de-risk the hardest technical problems on the roadmap before they become blockers; make build-vs-buy and architecture trade-off calls for the domain
- Partner with the Engineering Manager on prioritization, providing the technical judgment that shapes what gets built and in what order
- Mentor senior and mid-level engineers, run design/architecture reviews, and raise the technical bar through example, documentation, and code review
- Represent Perpetuals engineering in cross-functional planning with Product, Design, and other engineering leads
Requirements
- 8+ years working with web and mobile-based technologies
- Experience building trading, financial, or other correctness-critical systems where precision, race conditions, and state consistency carry real financial risk (margin, settlement, order matching, payments, etc.)
- Experience with real-time data systems (WebSockets, streaming price feeds, optimistic UI updates) and building resilient UX around unreliable network conditions
- Track record of leading technical initiatives that span multiple teams or codebases without direct reporting authority — demonstrated Staff-level scope, not just Senior-level execution
- Hands-on experience with React and React Native
- Extensive experience with modern Javascript (ES6/TypeScript/etc.)
- Experience with blockchain fundamentals across multiple blockchain architectures
- Strong working knowledge developing cross platform/browser compatibility
- Experience working in an agile development team
- Experience developing medium to large-scale applications across the entire stack with minimal tech debt through sensible abstractions, testing, linting, and adherence to coding/web standards
- Experience consuming and building APIs
- A demonstrable understanding of Continuous Integration
- Strong understanding of security risks specific to financial/trading products — transaction integrity, race conditions in state updates, precision/rounding bugs — in addition to standard web security threats (XSS, CSRF, etc.)
Bonus points
- Direct experience integrating with perpetuals/derivatives protocols (e.g., Hyperliquid, Lighter, or similar) or building trading infrastructure
- Experience with cross-chain bridges, transaction lifecycle and/or interoperability solutions
- Experience working in a decentralized, distributed team
- Previous experience working in Web3
- Product knowledge about the Web3 wallet space
- Mobile experience (React Native, Objective C, Swift)
Conditions
- Remote work in EMEA
- Please note that we are unable to consider applications from candidates based in France, Italy, or Germany for this role