Frontend Developer

About the job Billennium is a global technology company delivering innovative software, cloud, data, and AI solutions for enterprise clients worldwide. We combine engineering excellence with a collaborative culture to help organizations accelerate their digital transformation. We are seeking an experienced Frontend Developer to join our team on a part-time basis (50% FTE) and design, develop, and maintain frontend solutions for GenAI applications deployed in cloud environments. Key Requirements: Strong knowledge of React.js, TypeScript, APIs, state management libraries (Zustand, Nanostores, RxJS), and Turborepo or similar tools. Strong analytical mindset with curiosity for both technical details and software architecture. A team player eager to learn, exchange ideas, and contribute to achieving team goals. Excellent communication skills with a direct and transparent approach. Familiarity with AI-driven development workflows and code generation tools is a strong plus. Key responsibilities: Deliver high-quality, well-structured software solutions. Refine and clarify business requirements together with stakeholders. Discuss design alternatives and select the most suitable solution. Participate in technical spikes and proof-of-concept activities. Implement high-quality, maintainable, and scalable code. Investigate and resolve production issues. Contribute to the long-term frontend architecture. Build and maintain a reusable component library shared across projects. Collaborate with DevOps and Backend teams to deliver fully functional end-to-end solutions. Work closely with QA engineers to ensure the long-term quality and reliability of delivered solutions. 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 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: HR call Technical Interview Interview with the dedicated Client Final decision/ Feedback Sounds interesting? Click "Apply" and have a chance to hear more!