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We are looking for a skilled Java Developer for a client in the telecommunications domain to develop and enhance service-layer APIs and implement new functionalities within a microservices-based architecture, as we are currently ramping up several newly created teams after securing this new strategic client. This is an excellent chance to join early, shape key technical decisions, and contribute to building high‑quality solutions from the ground up in a fast‑growing environment.
Job Responsibility:
Design, develop, and maintain scalable microservices using Java and Spring Boot
Build and expose RESTful APIs for integration with internal and external systems
Contribute to the migration of legacy systems into modern microservices architectures
Collaborate closely with DevOps teams to enable CI/CD pipelines and automated deployments
Integrate services with databases, messaging systems, and third-party platforms
Ensure high performance, scalability, and reliability of backend services
Write clean, maintainable, and testable code following best practices
Participate in code reviews and technical design discussions
Troubleshoot and resolve production issues and performance bottlenecks
Work in an agile environment with cross-functional teams
Requirements:
Bachelor's degree in Computer Science or a related field, or equivalent practical experience
Minimum 6 years of experience in a similar position
Experience with Spring Boot and microservices-based architectures
Good understanding of RESTful APIs and service-oriented architectures
Experience with container platforms such as OpenShift or Kubernetes
Familiarity with CI/CD pipelines and modern development practices
Experience with relational databases (e.g., Oracle, PostgreSQL)
Knowledge of messaging systems such as Kafka is a plus
Structured and solution-oriented way of working
Ability to work in agile, cross-functional teams
Very good English and German communication skills, written and spoken
Nice to have:
Knowledge of messaging systems such as Kafka
What we offer:
Smooth integration and a supportive mentor
Choose from Remote, Hybrid or Office work opportunities
Flexible working hours
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