We use React and TypeScript across all our product lines: web app, browser extensions, iOS and Android apps (React Native), and desktop apps (Electron).You'll take ownership of substantial parts of our codebase, shipping polished UI and the connected backend services for new features and products.Youâll write and maintain frontend (Playwright) and backend tests, and help keep our CI/CD pipelines healthy.RequirementsDeep understanding of React and a track record of building complex, production React applicationsAble to deliver pixel-perfect, production-ready code from Figma mockups on timeStrong eye for detail and a dedication to creating fast, enjoyable user interactionsStrong knowledge of TypeScript and its ecosystem (Babel, Webpack, Jest, Expressâ¦) and underlying web technologies (HTML5, CSS3, REST APIs)Solid backend skills in Node.js: comfortable building and consuming APIs, implementing algorithms, and data heavy processing workflows.Experience running production backend services reliable and efficiently at scaleExperience writing complete, robust and maintainable tests with Playwright or similar frameworks.More useful experienceReact Native for iOS and AndroidBrowser extension development (Chrome/Chromium, Safari, Firefox)Desktop app development on Windows and macOS (Electron and natively).Web crawlingPDF and document processingServer operations on AWSCompensationBase compensation â¬60,000ââ¬90,000 based on the level of your experienceBonus/equity program.