React roles open to Spain.

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

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

Build and evolve features and functionality across the full stack of our SaaS platform, using React and Next.js on the frontend and Express on the backend.

Develop and maintain backend and frontend platform components

Health care coverage - Affirm covers all premiums for all levels of coverage for you and your dependents

We are looking for a Senior Fullstack Ruby on Rails Developer to join one of our high-growth client teams.

Develop an efficient web-frontend to help FAIRTIQ users manage their account

Design and implement robust Angular (v18+) solutions using standalone components, signals/reactivity, and RxJS.

Build automation tools that streamline test generation and maintenance, leveraging modern tooling (including AI) where it adds value

Developers can effectively identify and resolve slowdowns and errors in their applications

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

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

Cultivated a community of more than 650,000 active developers and builders

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

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

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.

You have 5+ years of experience working as a software engineer designing and maintaining complex/large/growing systems.

Build AI-powered product features that feel native, fast, and delightful to use

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.