Agencja zatrudnienia – nr certyfikatu 412
UI/UX Developer (React Developer)
Reference Number: 29554
Posted: 02 października 2026
Employment Type: Kontrakt
Apply by: 18 listopada 2026
Public Description
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.
- 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.
- Exposure to Micro Frontend concepts (Module Federation).
- Basic SQL/database knowledge.
- Financial services or transfer agency domain exposure.
Company Description
Experis to światowy lider rekrutacji specjalistów i kadry zarządzającej w kluczowych obszarach IT. Z nami znajdziesz konkurencyjne oferty zatrudnienia oraz ciekawe projekty IT skierowane zarówno do ekspertów z wieloletnim doświadczeniem, jak i osób, które dopiero zaczynają swoją przygodę w branży IT.
We offer recruitment of managers and highly qualified consultants with expertise in IT.Experis is part of ManpowerGroup and has been named one of the world's most ethical companies.

