Are you a Java Software Developer who wants to leave digital footprints all over the world?

Java Developer


As a Java Developer in Kezzler you will be responsible for the development of our platforms. Our product offering consists of a combination of cloud-hosted services and on-site customer installations (primarily Java/Linux).
Your tasks and responsibilities will include, but are not limited to:

  • Full stack and backend development
  • Maintain and improve solutions across all Kezzler software products
  • Participate in technical research and development to enable continued innovation
  • Load testing and performance analysis
  • Pragmatic algorithm- and complexity analysis
  • The chance to co-create innovative projects

Background and personality

We expect you to have a higher university degree within Computer Science or similar. You know the HTTP statuses off the back of your hand and ideally have experience with:

  • Java 11
  • SQL
  • Spring Framework
  • TDD
  • JSON over REST APIs

As a person you enjoy taking the lead in projects, have good communication skills and are comfortable with managing multiple tasks. You are fluent in English, a team player, with strong troubleshooting skills. If you’re also a strategic thinker in terms of optimization opportunities, you might be exactly the person we are looking for! Are you eager to optimize the world one code at a time? Then do not hesitate to contact Head4More for more information.

Who are we?

With customers all over the globe it’s only natural that our team is both diverse and multinational. At Kezzler we will push your talent. You will see the result of your contribution. We work proudly every day to make sure that customers, officials and inspectors are able to verify if products are authentic and safe. We hope you like to join us on this exciting journey and be part of our visionary team!

How to apply

If you have any questions regarding the position, please contact our recruitment partner Silje Djuplasti at or phone: + 47 915 75 443. If you don’t have any questions and are ready to apply, go to All inquiries are treated confidentially.


Karoline V. Holtan
Telefonnummer: +4798468704
Silje Djuplasti
Management Consultant
Telefonnummer: 4791575443

Hvem er Kezzler?

Our unique Kezzler codes make billions of product connections an everyday reality for our customers. Global brands all over the world trust our serialization solutions. With over 16 years of experience we are pioneering serialization technologies. Using state of the art encryption technology. Kezzler’s solutions are used in multiple industries including fast moving consumer goods, food and beverage, agriculture, luxury, industrial, and pharmaceuticals.

Our entrepreneurial spirit is very much alive, and the atmosphere is creative and fun. We are growing rapidly and are now looking for Java developers to join our Oslo team. To know more about us, visit.