React Developer

🔸Important Note 🔸 Hybrid mode: 1 day per week in the office (Wednesday). Occasionally, there may be exceptions and a request to come to the office on another day.Your notice period: maximum 1 month. Billennium is a global technology company with over 20 years of experience, committed to innovation and empowering businesses. As an employer, we offer a supportive, growth-focused environment where collaboration and creativity thrive. Join us to shape the future of technology together! About the Client Our client is a major player in the banking sector, developing modern digital platforms and frontend solutions used by multiple product teams. The role focuses on building reusable frontend components and platform-level solutions that support scalable product development across the organization. What you will do • Develop reusable frontend components and platform solutions such as shared NPM libraries and design system components • Build and maintain scalable frontend applications using React, TypeScript, and modern JavaScript tooling • Write and maintain unit and end-to-end tests ensuring high quality and reliability of delivered solutions • Collaborate with designers, platform teams, and product teams to maintain consistency and usability across applications • Provide technical support and guidance to other teams using shared frontend solutions • Maintain technical documentation and contribute to improving frontend architecture and development practices What we are looking for • Strong experience with React, JavaScript, TypeScript, NPM, and modern CSS • Experience building and maintaining scalable frontend applications and shared component libraries • Solid experience with unit testing and e2e testing (e.g. Jest, Testing Library, Cypress) • Strong knowledge of Git and version control workflows (branching, rebasing, commit management) • Understanding of accessibility standards (WCAG / a11y) and ability to build accessible interfaces • Experience working with Jira, Confluence, and Bitbucket • Good English communication skills (minimum B2) Nice to have • Experience working with design systems and reusable UI component libraries • Knowledge of microfrontend architecture• Experience with hybrid mobile applications (WebView, React Native, Capacitor, etc.) • Familiarity with AI-assisted development tools or AI agents Soft skills • Attention to detail and commitment to delivering consistent, high-quality user interfaces • Pragmatic, delivery-oriented mindset focused on achieving agreed outcomes • Strong communication skills and ability to collaborate with designers, analysts, and developers • Ability to work with documentation and follow established architecture guidelines Perks and benefits • Comprehensive benefits – enjoy Udemy for Business, private medical care, Multisport card, veterinary package, language lessons, and shopping vouchers • Flexibility – adaptable working hours and remote/hybrid work options to suit your lifestyle & location • Career growth – access to professional development opportunities and partnerships with Microsoft, AWS, Snowflake, Salesforce & more • Global collaboration – work with a diverse, international team • Innovative environment – be part of a forward-thinking and growth-oriented workplace • Engaging community – participate in team-building events, hackathons, and CSR initiatives • A pleasant surprise to start your journey with us in the form of a welcome pack Recruitment process • HR call • Technical interview • Interview with the dedicated client • Final decision / feedback 👉 Sounds interesting? Click “Apply” and let’s talk!