Frontend Developer
On-sitePosted July 29, 2026
About the role
Frontend Developer (React + TypeScript) – Warsaw, Poland (On-site)
We are looking for a Middle/Senior Frontend Developer to join our team and help deliver high-quality solutions for our clients. This role involves collaborating to plan, build, and ship features as a cross-functional team, taking shared responsibility for delivery speed, efficiency, and quality, and owning the operational condition of what we deliver. You should take initiative, drive improvements, and contribute across all areas.
About the client: one of Europe’s leading GameTech companies, operating a large mobile gambling platform with millions of users. The company maintains a startup mindset with a modern technology stack.
Responsibilities
Qualifications:
- Develop and maintain responsive web applications using React and TypeScript
- Collaborate with designers and back-end developers to deliver seamless user experiences
- Use GraphQL for data fetching and manipulation
- Build modern and accessible UI components using Material-UI or similar libraries
- Participate in code reviews, sprint planning, and product discussions
- Contribute to continuous improvements in performance and code quality
- At least 3 years of experience as a Front-end Developer
- Strong JavaScript and TypeScript skills
- Experience with React
- Familiarity with GraphQL
- Experience with Material-UI
- Experience with GitHub or other version control systems
- Upper-Intermediate English
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