Senior Frontend Developer (React & React Native)
Remote · Poland or Portugal
Poland or PortugalRemoteFull TimeSenior LevelNot SpecifiedUnknown
Type
Full Time
Level
Senior Level
Education
Not Specified
Company size
Unknown
Job Summary
Senior Frontend Developer proficient in React and React Native to design, develop, and optimize large-scale web applications. You will own frontend architecture, drive performance improvements, build features with TypeScript/JavaScript, manage state with Redux/MobX/Zustand, integrate REST/GraphQL APIs, contribute to design systems, and mentor teammates while collaborating with product, QA, and backend teams. Remote-first within European time zones.
Required Qualifications
- 7+ years of commercial Frontend development experience
- Strong JavaScript and TypeScript expertise
- Deep knowledge of React and modern frontend development practices
- Experience building and maintaining large-scale web applications
- Strong understanding of frontend architecture, performance optimization, and code quality
- Experience with state management solutions such as Redux, MobX, or Zustand
- Experience with REST APIs and GraphQL
- Experience with modern frontend tooling and testing frameworks
- Commercial experience with React Native
- Upper-Intermediate English or higher
Apply with one swipe on Sorce. We auto-fill applications and apply on your behalf — no cover letters, no 40-minute forms.
Hiring someone like this?
Get your role in front of qualified candidates on Sorce.