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

5 193 - 6 636 USDNet per month - B2B
JavaScript

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

JavaScript
Centrum, Warszawa

ITDS

Full-time
B2B
Senior
Hybrid
5 193 - 6 636 USDNet per month - B2B

Job description

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.

Tech stack

    Polish

    C2

    TypeScript

    advanced

    CSS

    advanced

    React

    advanced

    JavaScript

    advanced

    Git

    advanced

    Accessibility (a11y)

    regular

    Jest

    regular

    Testing Library

    regular

    Microfrontend architecture

    nice to have

    Design Systems

    nice to have

Office location

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

5 193 - 6 636 USDNet per month - B2B
Summary of the offer

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

Centrum, Warszawa
ITDS
5 193 - 6 636 USDNet per month - B2B
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