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May 28, 2026

Senior React Front-End Developer – Platform Integration and Design Systems

Senior • Hybrid

18,900 - 24,150 PLN

Warsaw, Poland

Empower innovation at scale — shape the future of front-end technology!

Warszawa-based opportunity with hybrid work model

As a Senior React Front-End Developer – Platform Integration and Design Systems, you will be working for our client, a leading financial institution, delivering robust and scalable front-end solutions. Join a team committed to building advanced platform components that empower seamless user experiences and drive digital transformation.

Your main responsibilities:

  • Develop and maintain platform-wide React libraries and components aligned with the Bank’s Design System.
  • Implement and optimize generic functionalities and innovative technical solutions for front-end teams.
  • Write and sustain comprehensive unit and end-to-end tests to ensure high-quality deliverables.
  • Ensure consistency, performance, and accessibility standards are upheld across all solutions.
  • Collaborate with cross-functional platform teams and UI/UX designers to refine components and share best practices.
  • Provide technical guidance and support to product teams utilizing the platform solutions.
  • Maintain clear and detailed documentation for developed components and functionalities.

You're ideal for this role if you have:

  • Over 5 years of professional experience in front-end development with React.
  • Strong expertise in JavaScript, TypeScript, NPM, and CSS.
  • Proven experience in building and maintaining scalable front-end applications and NPM packages.
  • Strong knowledge of unit and end-to-end testing (e.g., Jest, Testing Library, Cypress).
  • Proficient use of the Git version control system, including managing branches and commits (rebase, cherry-pick, revert, squash, changing commit order and descriptions).
  • Good understanding of accessibility principles (a11y), WCAG standards, and building accessible interfaces.
  • Experience working with Jira, Confluence, and Bitbucket.

It is a strong plus if you have:

  • Experience working with design systems or contributing to their development.
  • Knowledge of microfrontend architecture and integration challenges.
  • Experience with hybrid mobile applications such as React Native, Capacitor, or WebView.
  • Familiarity with AI tools or agents in software development projects.

Language required for the role:

  • Good command of Polish and Communicative English.

Eligibility for the role:

  • Only candidates with an existing legal right to work in the European Union will be considered for this role.

#MAKEYourCareerBETTER

Interested? Apply now and include your CV (preferably in English) along with a statement confirming your consent to the processing and storage of your personal data.