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CO-WORKER TECHNOLOGY career site
Telecommunication · Karlskrona,Sweden

Senior Java Backend Developer

We usually respond within three days

Assignment description:

We are seeking a Senior Java Backend Developer to join our customers international team dedicated to developing a high-performance Online Charging System (OCS). In this assignment, you will lead backend engineering efforts, drive innovation through the use of Java and AI technologies and provide mentorship to team members within an agile framework. You enjoy thriving in fast-paced, collaborative environments and are proactive in building relationships both within the organization and externally.

What you will do:

• Design and develop scalable backend services in Java.

• Lead features based on 3GPP Policy Control (Diameter, 5G REST).

• Collaborate with global teams to deliver product increments.

• Maintain CI/CD pipelines and automated testing.

• Mentor junior developers and promote best practices.

• Support AI and DevOps tool adoption (e.g., Amazon Kiro, Copilot, Kubernetes).

Requirements:

• 5+ years in backend development with Java

• Experience with telecom protocols (Diameter, 5G REST).

• Strong skills in Docker, Kubernetes, CI/CD, and monitoring (Grafana, Prometheus).

• Proficient with Git, Gerrit, Jenkins, Maven.

• Agile mindset; experience working in Scrum teams.

Department
Telecommunication
Locations
Karlskrona,Sweden
Picture of Kuntal Biswas (KB)
Contact Kuntal Biswas (KB) Team Manager - Recruitment HUB – Recruitment HUB

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About CO-WORKER TECHNOLOGY

Co-Worker Tech is a consulting and recruitment partner helping tech companies and industrial businesses grow sustainably. We combine rapid delivery with high quality and a clear people-first focus.

Founded in 2007
Co-workers 20 - 30
Turnover Euro 12 million
Telecommunication · Karlskrona,Sweden

Senior Java Backend Developer

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