Frontend React Developer (Lottery)

About the role

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).
• Readiness to work in a hybrid workmodel in a client's office (Warsaw), fostering a collaborative and engaging team environment.

Nice to have

• 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).

Main responsibilities

• 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.