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

Expected, React.js, JavaScript, TypeScript, CSS, Jest, Testing Library, Cypress, Git, Jira, Confluence

Optional, React Native, Capacitor, WebView

Operating system, Windows

About the project, 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., , Empower innovation at scale — shape the future of front-end technology!, , Warszawa-based opportunity with hybrid work model., , Only candidates with an existing legal right to work in the European Union will be considered for this role.

Your 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.

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.

Optional, 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.

This is how we work, at the client's site, agile, scrum

What we offer, Stable and long-term cooperation with very good conditions, Enhance your skills and develop your expertise in the financial industry, Work on the most strategic projects available in the market, Define your career roadmap and develop yourself in the best and fastest possible way by delivering strategic projects for different clients of ITDS over several years, Participate in Social Events, training, and work in an international environment, Access to attractive Medical Package, Access to Multisport Program, Access to Pluralsight, Flexible hours

Benefits, sharing the costs of sports activities, private medical care, flexible working time, fruits, integration events, corporate gym, saving & investment scheme, no dress code, coffee / tea, drinks, christmas gifts, birthday celebration, sharing the costs of a streaming platform subscription, access to +100 projects, access to Pluralsight

Recruitment stages, online interview, online interview

#GETREADY to meet with us!, ITDS Business Consultants is involved in many various, innovative and professional IT projects for international companies in the financial industry in Europe. We offer an environment for professional, ambitious, and driven people., , We would like to meet you. If you are interested please apply and attach your CV in English or Polish, including a statement that you agree to our processing and storing of your personal data.

ITDS’s Whistleblower Procedure, You can report violations in accordance with ITDS’s Whistleblower Procedure available here:

ITDS Polska Sp. z o.o., ITDS supports financial service providers to take the next steps., , We identify what’s possible, every day. Opportunities in the areas of technology, organization, and digitization., , We see where banks, insurers, payment companies, or fintech can go and how they can get there., , That’s why we want to stimulate you to ramp up your ambition. Forget what you perceive as restraints and step towards the new reality., , ITDS in Poland - Pure player in new Technologies & Financial Industry, +300 IT implementation professionals, +20 clients in the Banking, Insurance, Payment & Fintech Industry, , ITDS excels in digital strategy delivery and implementation of best-of-breed lending solutions. ITDS has delivered successful strategic projects throughout Europe since 1998. We combine the experience we’ve accumulated with in-depth knowledge of technologies, business processes, and EU legislation to unlock new business opportunities.

This is how we work,