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Java Software Engineer

Our customer is a leading German producer of customized solutions for the self-supply of solar-powered electricity. This includes photovoltaic, energy storage systems as well as cloud technology systems helping individuals to become energetically independent.

For the IAM Team, we are looking for a Regular and Senior Java Software Engineers to work on a project with the goal of building and maintaining identity access management solutions. Join us in the commitment to establish a world where individuals can generate, utilize, and distribute their renewable energy resources.

Job description

  • Development and optimization of software components for the IoT platform
  • Perform code reviews, unit tests, and integration tests to ensure code quality
  • Creation and further development of IoT patterns and software concepts
  • Supporting other teams in the application of IoT Patterns
  • Implement monitoring and ensure system integrity and security measures
  • Documentation of development processes and system architecture
  • Operation of the created software systems



  • Java
  • Spring Framework
  • IAM
  • English B2


Key skills

  • Advanced knowledge of Java language (especially for SPI development) and Spring Framework (Spring Boot & Spring Security)
  • Experience with IAM (understanding Authentication, Authorization, Access Control etc.)
  • Experience with API Security (OAuth2, OpenID Connect)


Nice to have

  • Experience with Keycloak, ArgoCD
  • Experience with DevOps Practices (CI/CD, Git, Monitoring/Logging), Kubernetes


We offer competitive compensation, and opportunities for professional development in a dynamic and innovative organization. By joining our team, you will have the opportunity to work on modern digital projects, influence product development strategy, and grow in an Agile environment.

Bialystok, Cracow, Łódź, Szczecin, Warsaw, Wroclaw

up to 120 PLN (regular)
up to 150 PLN (senior)
+VAT (B2B) per hour


We support you at every stage

Work from anywhere

In most projects, each specialist can work one day a week from any location.

Choice of equipment

You choose which equipment will work best for you.

Training budget

Decide on your development. Go to a conference, learn a new language or buy a selection of books in your field.

Multisport card

Crossfit or pilates? With the card you can enter selected gyms for free.

Type of cooperation

An employment contract or B2B depending on your needs.

Flexible working hours

You're not an early bird? You can work for us when you are the most productive.

Private health care

We have several packages from two suppliers to choose from, without waiting in queues.

Great insurance

We've prepared life insurance on great terms for you.

Career strategyzer

An employment contract or B2B depending on your needs.

Knowledge sharing

Join our collaborative product & design guilds for shared knowledge and professional growth as a unified team.

Junior mentor program

We have several packages from two suppliers to choose from, without waiting in queues.

Animal friendly office

Enjoy the companionship of your pets at work, ensuring they never have to be alone at home.