For our client, big financial institution, we are seeking a Mid-Level UI/UX Developer with strong React.js expertise to build and
maintain scalable, high-performance front-end features for client facing Portals. The ideal candidate combines solid engineering fundamentals with a working UI/UX sensibility, ensuring designs are implemented faithfully while flagging usability or
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consistency issues early. You will work closely with the Senior Design/Developer and backend teams to deliver modular, maintainable front-end solutions.
What will your tasks involve?
- Design and develop front-end features using React.js, TypeScript, and modern front-end tooling, per approved designs and the company's 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.
What we expect from you?
- 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.
What you can expect from us?
- An attractive salary based on your experience (details will be provided during a phone interview),
- B2B contract with the possibility of long-term cooperation,
- A flexible hybrid work model (50% from our modern office in central Warsaw, 50% remote),
- The opportunity to join a private medical care plan and a sports card program,
- The chance to work in a multicultural, prestigious, and professional environment.
Employment agency entry number 47
this job offer is intended for people over 18 years of age