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June 12, 2026

Frontend React Developer (Lottery)

Mid • Hybrid

Warsaw, Poland

We are seeking a Frontend React Mid Developer to build and scale modern, high-performance frontend applications for a client in the lottery industry.

Our expectations

  • Commercial experience as a Frontend Developer (Mid level) specializing in the React ecosystem;

  • Strong knowledge of React.js, TypeScript, and JavaScript (ES6+);

  • Knowledge of and experience working with HTML5, CSS3, and SCSS;

  • Practical experience with React Hooks;

  • Experience in application state management (Redux, Zustand, or Context API);

  • Proficiency with Git version control and the GitHub platform;

  • Experience in REST API integration, as well as a solid understanding of Responsive Web Design and component-driven development;

  • English language skills at a level that allows fluent communication (B2).

Welcome Skills

  • Familiarity with component testing and documentation tools (Storybook, Cypress);

  • Experience with the Next.js framework or React Native technology;

  • Knowledge of 3D graphics libraries (Three.js) and accessibility standards (WCAG);

  • Experience working with Headless CMS systems (e.g., Agility CMS);

  • Basic knowledge of or exposure to cloud environments (AWS or Azure).

Key tasks

  • Create and develop frontend applications using the React library, TypeScript, and modern JavaScript (ES6+);

  • Design and implement reusable UI components and efficiently manage application states;

  • Collaborate with the backend team and integrate applications with APIs (REST API);

  • Create responsive and polished user interfaces (RWD) using HTML5, CSS3, and SCSS;

  • Use the Git/GitHub version control system in daily team collaboration;

  • Maintain high code quality, apply best programming practices, and participate in the code review process;

  • Collaborate with the cross-functional team (developers, testers, designers) to optimize application performance.