React Developer

At Madiff, we connect top IT talent with cutting-edge companies through remote Agile teams and nearshore outsourcing. With operations in Poland, Portugal, France, and the UK, we specialize in AI, DevOps, and Cybersecurity – supporting industries like Telecom, Banking, and Hi-Tech.

We are looking for a Front-end Developer to join the product team behind Poland’s largest cashback and smart-shopping platform. You’ll contribute to a multi-platform solution (Web, iOS, Android) serving hundreds of thousands of users with cashback, digital flyers, promotional campaigns and loyalty programs.

Responsibilities:

• Build and maintain responsive web interfaces using React and Next.js

• Translate Figma designs into reusable, accessible UI components using TypeScript and SCSS

• Integrate with REST and GraphQL APIs; manage client-side state (Redux or similar)

• Ensure top performance: lazy loading, code splitting, bundle optimization

• Write and maintain unit and integration tests using Jest and React Testing Library

• Collaborate with UX, QA and backend teams, participate in sprint ceremonies and code reviews

• Contribute to the design system and uphold front-end best practices

• Support and improve CI/CD pipelines for front-end delivery

What we are looking for:

• 3+ years of commercial experience with React (v17+) and Next.js (v12+)

• Advanced skills in TypeScript and modern JavaScript (ES6+)

• Experience with state management tools (Redux, Zustand etc.)

• Hands-on experience integrating with REST/GraphQL APIs

• Solid knowledge of browser rendering, web performance and accessibility (WCAG)

• Familiarity with Git workflows and CI/CD pipelines (GitHub Actions, GitLab CI)

• English proficiency (B2+) and Polish fluency

What we offer:

• Location: Hybrid – 1-2 days/week on-site (Warsaw or Gdańsk)

• Opportunity to join a high-impact product team and shape a widely-used digital product

• Long-term cooperation with a stable and experienced IT partner

• Comprehensive medical care