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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

Senior Java Fullstack Developer

Miejsce pracy: Warszawa

Technologies we use

Expected

  • Java
  • Angular
  • Spring Framework

Optional

  • RxJS
  • AWS
  • Microsoft Azure
  • Git

About the 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.

Your 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

Our requirements

  • At least 6 years of experience in Java (17+) and the Spring framework
  • Previous work on the front-end with TypeScript, Angular, RxJS, CSS, and HTML
  • Deep understanding of systems architectures and infrastructure
  • Proficiency in optimization of web applications, state management and REST API
  • Familiarity with container orchestration (Docker, Kubernetes) and cloud platforms (AWS/Azure)
  • Knowledge of Git and CI/CD pipelines
  • Fluency in English and Polish
  • Residing in Poland required

This is how we work on a project

  • Continuous Deployment
  • Continuous Integration

What we offer

  • 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 76M 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

Recruitment stages

  • Send your CV
  • Talk to us about your expectations
  • Learn more about our projects and choose the best
  • Start your adventure with Sii!

Sii Sp. z o.o.

Sii is the leading technology consulting, digital transformation, engineering, and business services vendor in Poland. We already employ more than 7 500 professionals and implement projects in a variety of industries for clients from many countries around the world.

The Great Place to Work title, won 10 times in a row, proves that at Sii we create a friendly work environment.

  • Praca Warszawa
  • Warszawa - Oferty pracy w okolicznych lokalizacjach


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