.
Java Developer – Telco
  • Kraków
Java Developer – Telco
Kraków, Kraków, Lesser Poland Voivodeship, Polska
Sii Sp. z o.o.
15. 5. 2025
Informacje o stanowisku

technologies-expected :


  • Java
  • Hibernate
  • Spring
  • MySQL

technologies-optional :


  • Linux
  • React.js
  • RabbitMQ
  • Apache Kafka

about-project :


  • As a team member, you will have the opportunity to participate in the whole development process in Self-Organizing Network (SON) project. The main goal of our application is to optimize and monitor 5G and LTE mobile networks for customers from all around the world. Working in our team allows you to learn NR and LTE algorithms, be part of and create the mobile network future, develop cloud-based applications, and have a real impact on customers’ environment.

responsibilities :


  • Participating in the full development cycle: from requirements, specification, up to architecture and system tests
  • Implementing new functionalities
  • Maintaining of existing code
  • Collaborating with top-tier engineers to drive innovation and best practices
  • Influencing technical decisions and contributing to strategic architectural improvements

requirements-expected :


  • Minimum 5 years of experience with Java
  • Very good knowledge of Hibernate and Spring frameworks
  • Understanding relational databases, especially MySQL
  • Linux skills on the user level
  • Knowledge and ability to work with the version control system Git
  • Advanced technical English skills
  • Familiarity with cloud-based architectures
  • Fluent Polish 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 Kraków
  • Kraków - Oferty pracy w okolicznych lokalizacjach


    92 480
    9 107