Senior Full-Stack Developer (React + React Native & TypeScript) (m/f/d)

As Filen continues to grow, we're looking for a Senior Full-Stack Developer / Senior Product Engineer to help us scale and evolve our product. You’ll be a key part of a small, agile team, working across the entire stack to build secure, privacy-focused cloud solutions., Develop and maintain our cross-platform interfaces using React Refactor and modernize components to improve speed, usability and accessibility Use a diverse set of skills to improve and optimize the performance & design of our products & interfaces Collaborate closely with a small, agile team Take ownership of projects and features from concept to release Drive architecture and code quality (patterns, refactoring, maintainability) Be ready to contribute quickly after an fair onboarding period Improve performance & UX with measurable outcomes (Core Web Vitals, load times, responsiveness), Must-have Several years of production experience Excellent TypeScript skills (clean types, refactor-safe code) Solid experience with React & React Native, especially hooks and modern component patterns Understanding of responsive design and accessible web development Knowledge of performance optimization, accessibility best practices, and (testing) tools such as Vitest, Playwright, Maestro Ability to work independently, communicate clearly, and deliver end-to-end Know or be ready to learn: React Query (tanstack/react-query): comfortable working with queries, mutations, caching, and existing API hooks Zustand: able to work c...

Fähigkeiten

Electron, GitHub, Typoscript, Responsive Design, React, React Native, TypeScript