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Kuba, service
delivery manager

Senior Java Developer

Location: Gdańsk

The challenges waiting for you:

We're looking for Senior Java Developers to join our Digital Competence Centre. In this department, we conduct web and mobile development projects for international customers – one of our teams is responsible for development of a few modules which are the part of an enterprise system for a Puma company (eg. footware production management module, labels and packaging module). Ultimately, the team will take over whole system that is dedicated to manage all of the Customer's products (to the smallest details such as style, colours, materials – all devided to three main categories: footware, clothing, accessories). We use new technologies in the project (Java 8, JEE, JBoss EAP, Vaadin, Hibernate). The Team works in Scrum and uses tools like JIRA, Slack, GIT. We have defined software development process, especially: code review, continuous integration, setup of the environment. The team Members use English on a daily basis to communicate with Customer (both written and oral). If it comes to Gdańsk, the project is being released from our Sii office in OBC. 




  • Developing, coding, testing and debugging complex software solutions in order to improve core business processes
  • Cooperating with global staff to better understand Customer's requirements and needs
  • Acting as our Customer's consultant – helping out in solving complicated issues
  • Proactively suggesting improvements to existing functionalities
  • Assisting in development of technical documentation​​

Required skills:

  • At least 4 years of experience in software development
  • Experience as a Software Architect will be an advantage
  • Excellent knowledge of Java
  • Experience in design and full-stack development of enterprise-level applications
  • Familiarity with advanced software development challenges (performance, scalability, security)
  • Experience with JavaEE (incl. EJB, JPA), Hibernate, SQL is a must
  • Knowledge of Vaadin framework will be a significant advantage
  • Degree in engineering, preferably in the specialization of software, telecommunications or electronics
  • Experience in working in Agile project setup

Why it's worth to join Sii?:

  • Prestigious and stable employer awarded with Great Place to Work title four times and achieving 30% revenue growth annually
  • Unique projects carried out for more than 200 international leaders from industries such as automotive, aviation, hi-tech, finance
  • Cooperation with experts – 12 Competency Centers running projects based on world-class solutions: IBM, Microsoft, SAS, Xamarin, Oracle, or Red Hat
  • Internal app Job Changer, allowing you to change your project easily, explore new technologies, or relocate to another Sii branch
  • Constant development facilitated by technical trainings, language courses (including Polish lessons for foreigners), and technology conferences (you can join them as a listener or an expert)
  • A programme supporting the best employees – Top Gun
  • Financial support of your passions and charity initiatives (SiiPower Volunteers)
  • Countless integration meetings (Beer Fridays, picnic, integration weekend, Santa Claus party)

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