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Senior Java Fullstack Developer
  • Warsaw
Senior Java Fullstack Developer
Warszawa, Warsaw, Masovian Voivodeship, Polska
Sii Sp. z o.o.
7. 9. 2025
Informacje o stanowisku

technologies-expected :


  • Java
  • Angular
  • Spring Framework

technologies-optional :


  • RxJS
  • AWS
  • Azure
  • Git

about-project :


  • We are looking for an experienced Senior Full Stack developer focused on leading projects, mentoring team members, and ensuring high-quality deliverables. As an senior developer, you will contribute to the development and enhancement of eMobility (EV) platforms and management systems, working on microservices architecture, cloud integration, and API development. You will gain hands-on experience in enterprise-level application development while collaborating with senior developers, architects, product managers and other roles involved in SDLC.

responsibilities :


  • Lead the design of complex systems
  • Ensure the best practices of coding
  • Mentor team members
  • Collaborate with stakeholders
  • Drive technical innovation and best practices
  • Oversee technical direction and architecture

requirements-expected :


  • Expert in Java and associated technologies
  • Deep understanding of systems architectures and infrastructure
  • Experience with Typescript, Angular, RxJS, CSS and HTML
  • Proficient with optimization of web applications, state management and REST API
  • Strong knowledge of security best practices
  • Solid experience with system scalability
  • Familiarity with container orchestration (Docker, Kubernetes) and cloud platforms (AWS/Azure)
  • Knowledge of Git and CI/CD pipelines
  • Very good communication skills in both English and Polish
  • Residing in Poland required

offered :


  • Great Place to Work since 2015 - it’s thanks to feedback from our workers that we get this special title and constantly implement new ideas
  • Employment stability - revenue of PLN 2.1BN, no debts, since 2006 on the market
  • We share the profit with Workers - over PLN 60M has already been allocated for this aim since 2022
  • Attractive benefits package - private healthcare, benefits cafeteria platform, car discounts and more
  • Comfortable workplace – class A offices or remote work
  • Dozens of fascinating projects for prestigious brands from all over the world – you can change them thanks to Job Changer application
  • PLN 1 000 000 per year for your ideas - with this amount, we support the passions and voluntary actions of our workers
  • Investment in your growth – meetups, webinars, training platform and technology blog – you choose
  • Fantastic atmosphere created by all Sii Power People

  • Praca Warszawa
  • Warszawa - Oferty pracy w okolicznych lokalizacjach


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