UI/UX Developer (React)

More about us

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 Role

We are looking for an experienced UI/UX Developer (React) who will join a project for our client from the financial services sector . In this role, you will contribute to the development of modern, scalable client-facing portals, working closely with design and engineering teams to deliver intuitive, high-performance user experiences.

The role is hybrid - 3 days a week from the Client's office in Warsaw.

What you will do

• Develop and maintain responsive front-end applications using React.js, TypeScript, and modern web technologies.
• Build reusable UI components and contribute to shared component libraries aligned with established design systems.
• Collaborate with designers and backend engineers to deliver pixel-perfect, user-friendly solutions.
• Integrate front-end applications with REST APIs and microservices architecture.
• Optimize application performance, accessibility (WCAG), and cross-browser compatibility.

What we are looking for

• 8+ years of software development experience, including 6+ years working with React.js and TypeScript.
• Strong understanding of modern front-end architecture, state management (Redux, Context API), and component-based design.
• Experience working with design tools such as Figma and implementing UI designs with high accuracy.
• Hands-on experience integrating front-end applications with REST or GraphQL APIs.
• Familiarity with CI/CD pipelines, containerized environments, and web accessibility standards (WCAG).

Perks and benefits (our offer)

• 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 opportunities for professional development and learning, including perks related to our official partnerships with global IT giants: 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 – Work with passionate professionals and participate in team-building events, hackathons, and CSR initiatives to make an impact beyond work.
• Team-building events including our company tradition (annual company event in Mazury).
• A pleasant surprise to start your journey with us in the form of a welcome pack .

Recruitment process

1. HR call
2. Interview with the dedicated Client
3. Final decision / Feedback

Sounds interesting? Click "Apply" and have a chance to hear more! 🚀