Lead Java Developer (APIs and Observability) | Lead Developer mit Fokus Java, APIs und Observability (w/m/d)
Deutsche Glasfaser Holding GmbH
Job Summary
As a Lead Developer, you will spearhead the design, development, and operation of high-performance Java-based backend services and APIs. This role is central to building stable, scalable, and future-proof systems that serve as the foundation for digital products. You will be responsible for ensuring code quality through rigorous testing, code reviews, and observability practices like OpenTelemetry. Day-to-day, you will manage CI/CD pipelines using GitHub Actions and implement modern architectural patterns, including event-driven designs and asynchronous communication. A significant part of the role involves optimizing database queries and performance while making strategic cloud-native architectural decisions. Working within an agile team, you will mentor less experienced colleagues and foster a culture of knowledge sharing. This position is particularly attractive for those seeking a 'Cloud-native' environment where they can influence system resilience and long-term maintainability while enjoying flexible working conditions and a comprehensive benefits package.
Required Skills
Education
Degree in (Business) Informatics, Information Technology, or a comparable qualification; alternatively, a technical vocational training with several years of relevant professional experience.
Experience
- Several years of professional experience in backend development and designing complex system landscapes
- Expert-level experience with Java and modern frameworks such as Spring Boot or Quarkus
- Professional experience with relational and multimodal databases including data modeling and performance tuning
- Proven experience in implementing CI/CD processes and observability concepts
- Practical experience with container technologies, Kubernetes, and ideally serverless platforms
- Experience working with Message Brokers and event-driven communication
Languages
Additional
- The contractual job title for this position is 'Application Owner'. The role is a permanent, full-time position.
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