Senior Front-end Developer with Angular f/m/x

Sii Polska WARSZAWA 2026-08-19
  • Minimum 5 years of experience in software development with a focus on Angular
  • Excellent knowledge of TypeScript, HTML, and JavaScript
  • Practical experience with RESTful APIs and integrating them into applications
  • Ability to translate business requirements into effective technical solutions
  • Willingness to support less experienced developers and share knowledge with the team
  • Strong communication skills and ability to work effectively in an international environment
  • Fluent in English, both written and spoken
  • Willingness to work in a hybrid model, with 2–3 days per week from the office in Warsaw

We are looking for a Senior Front-end Developer with Angular to join our team responsible for developing and maintaining business-critical applications supporting financial processes across multiple countries. The team focuses on modernizing applications, improving scalability, and ensuring high operational standards in the vehicle leasing and fleet management domain.

,[Designing, developing, and maintaining modern Angular applications, Building scalable, maintainable, and high-performing front-end solutions, Implementing new features and enhancements based on business requirements, Optimizing application performance and user experience, Monitoring applications and troubleshooting production issues, Participating actively in Agile ceremonies, sprint planning, reviews, and retrospectives, Identifying opportunities for technical and process improvements, Supporting junior developers and sharing technical knowledge within the team, Driving the adoption of modern technologies and innovative engineering approaches] Requirements: Angular, TypeScript, HTML, JavaScript, REST Additionally: Medical care, Insurance, Sport cards, Language courses, Refferal programs, Welcome packs and other occasional gifts, Passion Sponsorship program, Regular integration events and trips, Contracts with the biggest brands, Diverse portfolio of clients, Flexible forms of employment, Internal training center, Mentoring program, Buddy Program & efficient onboarding process, Technology communities, Jubilee rewards, Profit sharing, Sport & hobby communities, Breakfast, drinks and fresh fruits in the office, Wide portfolio of technologies, Solid financial situation, Comfortable and well-equipped offices, MySii app, Invoice kiosk.