Join Sii Poland as a Fullstack Developer and participate in the development of an engineering portal – a key web platform supporting the daily work of all technical teams in a large US‑based technology organization. The portal integrates with Kubernetes‑based infrastructure and CI / CD systems, enabling tools for transparency, automation, and operational efficiency. The project is implemented in partnership with an engineering team that provides cutting‑edge solutions in cloud storage, file synchronization, and team collaboration. The platform is used by millions of users worldwide, and the development of internal tools has a direct impact on the quality and reliability of the entire technology ecosystem.
Your tasks
- Design and develop modern user interfaces using React and TypeScript
- Co‑create APIs and design intuitive workflows for engineering teams (backend integration)
- Work on frontend architecture, state management, performance optimization, component development, and UI scalability
- Proactively improve UX / UI by simplifying complex technical processes
Requirements
At least 5 years of experience as a Frontend DeveloperVery good knowledge of React and TypeScriptGood knowledge of Python or GolangExperience with component architecture and application state managementWillingness to learn and work with backend systemsUnderstanding of UX / UI principles and attention to interface usabilityAbility to design and integrate RESTful APIsSelf‑motivation and initiativeResidence in Poland required and fluency in the Polish languageBenefits For You
Great Place to WorkSolid financial situationContracts with the biggest brandsCenter of internal trainingsMany experts you can learn fromOpen and accessible management teamProfit sharingPassion Sponsorship programRegular integration events and tripsComfortable and well‑equipped officesMySii appMedical careJob no. -7UUWA
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