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.
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.

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.
Warszawa, Mazowieckie
Agencja zatrudnienia – nr certyfikatu 412