UI/UX Developer (React Developer)

Hybrid work model: 2-3 days per week from Warsaw's office


We are seeking UI/UX Developer with strong React.js expertise to build and maintain scalable, high-performance front-end features. The ideal candidate combines solid engineering fundamentals with a working UI/UX sensibility, ensuring designs are implemented faithfully while flagging usability or consistency issues early. You will work closely with the Senior Design/Developer and backend teams to deliver modular, maintainable front-end solutions.

Key Responsibilities

• Design and develop front-end features using React.js, TypeScript, and modern front-end tooling, per approved designs and the Design System.

• Build reusable UI components and contribute to shared component libraries.

• Collaborate with the Senior Design/Developer to ensure pixel-accurate, design-faithful implementation.

• Integrate front-end applications with REST APIs / backend microservices.

• Optimize application performance, accessibility (WCAG), and cross-browser compatibility.

• Participate in code reviews, sprint planning, and Agile ceremonies.

• Troubleshoot and resolve UI defects and production issues.

• Support automated testing (unit/integration) for front-end code.

Required Skills

• Strong React.js and TypeScript development experience.

• Solid understanding of modern front-end architecture patterns (component-based design, state management e.g. Redux/Context API).

• Working familiarity with design tools (e.g., Figma) - able to read, interpret, and faithfully implement designs.

• Experience integrating with REST/GraphQL APIs.

• Basic understanding of accessibility standards (WCAG).

• Exposure to containerized application environments and CI/CD pipelines.

Nice-to-Have

• Exposure to Micro Frontend concepts (Module Federation).

• Basic SQL/database knowledge.

• Financial services or transfer agency domain exposure.