Roles remotos de React para candidatos en España.

Trust + distribution: App developers already trust us in their purchase flow, the highest stakes moment in any user journey.

Develop and integrate LLM-based functionality, including prompt engineering, API-based model usage, and AI workflows

Build and enhance MetaMask's Stablecoin / Earn feature strategy to create Neobank like experiences

Designing and implementing the front-end components and user experience for MetaMask Debit Card interactions across MetaMask clients.

6+ years of experience building and securing software, including hands-on product or application security experience.

Own mobile platform architecture Define and evolve the architecture of MetaMask Mobile (React Native + native), leaning into performance by tightly integrating with backend services and optimizing app–backend interactions holistically

Designed and built automated interview scheduling. This feature automates scheduling by calculating possible times from a pool of interviewers and other constraints, and then presenting these times to the candidate for selection via

Designed and built automated interview scheduling. This feature automates scheduling by calculating possible times from a pool of interviewers and other constraints, and then presenting these times to the candidate for selection via

Transparency: Everyone can read about our roadmap, how we pay (or even let go of) people, our strategy, and how we work, in our public company handbook.

Strategic Account Ownership Build and maintain deep, trust-based relationships with senior technical and executive stakeholders across a focused portfolio of strategic accounts.

You are a senior software engineer with strong web development (frontend + backend) fundamentals and a track record of owning production systems end-to-end.

Optimize our homegrown ultra-dynamic recruiting DSL-to-SQL compiler, and create tools to help developers do so

Redesigned our mobile web app by talking with customers who use it often, wireframing new flows, implementing its design system, and using it to make the wireframes a reality.

Provide initial and timely responses to all support cases for a variety of topics, from billing or pre-sales requests to optimization or implementation questions.

Provide feedback on product and technical specs to help engineers identify where to cut scope or improve quality. You don’t make the final decisions, but you’ll influence and coach ICs to reach the right ones.

Work closely with founders and design to implement new concepts and ideas

Build new user-facing features with everything from database models to GraphQL resolvers and UI components