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Software Developer

Ericsson

Ericsson

Software Engineering
karlskrona, sweden
Posted on Aug 26, 2025

Join our Team

About this opportunity:

We’re looking for a Java Backend Developer with 2+ years of experience to join our international team working on a high-performance Online Charging System (OCS). You’ll contribute to the design, development, and maintenance of scalable backend services, while expanding your expertise in telecom protocols and cloud-native tools in a supportive, agile environment.

What you will do:

  • Develop and maintain backend services using Java.
  • Contribute to features based on 3GPP Policy Control (e.g., Diameter, 5G REST).
  • Collaborate with global teams in an agile (Scrum) setup.
  • Assist in maintaining CI/CD pipelines and automated testing.
  • Learn and adopt AI and DevOps tools (e.g., Amazon Q, GitHub Copilot, Kubernetes).
  • Grow your skills under the mentorship of senior engineers.

The skills you bring:

  • 2+ years of hands-on experience in Java backend development.
  • Understanding of RESTful APIs; exposure to telecom protocols like Diameter or 5G REST is a plus.
  • Familiarity with containerization and orchestration tools (e.g., Docker, Kubernetes).
  • Experience with Git-based workflows and build tools like Maven.
  • Exposure to CI/CD tools such as Jenkins, and basic monitoring with Grafana/Prometheus.
  • Enthusiastic to learn, contribute in an agile team, and grow your technical skills.

Why join Ericsson?

At Ericsson, you´ll have an outstanding opportunity. The chance to use your skills and imagination to push the boundaries of what´s possible. To build solutions never seen before to some of the world’s toughest problems. You´ll be challenged, but you won’t be alone. You´ll be joining a team of diverse innovators, all driven to go beyond the status quo to craft what comes next.

What happens once you apply?

Click Here to find all you need to know about what our typical hiring process looks like.

Encouraging a diverse and inclusive organization is core to our values at Ericsson, that's why we champion it in everything we do. We truly believe that by collaborating with people with different experiences we drive innovation, which is essential for our future growth. We encourage people from all backgrounds to apply and realize their full potential as part of our Ericsson team. Ericsson is proud to be an Equal Opportunity Employer. learn more.

Primary country and city: Sweden (SE) || Karlskrona

Req ID: 770326