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Deutsche Telekom Digital Labs

Posted 27 Aug 2026

Senior Software Engineer - Backend

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Employment
Full time
Team
Software Engineering
Posted
27 Aug 2026

About the role

We are looking for a Senior Software Engineer (Backend) with strong expertise in Java, Spring Boot, and API development. The ideal candidate will have experience building secure, scalable microservices and cloud-native applications on Google Cloud Platform (GCP).


Responsibilities:

  • Design, develop, and maintain scalable backend applications using Java and Spring Boot.
  • Build and integrate secure REST APIs with OpenAPI/Swagger specifications.
  • Design APIs and integrate with API Gateway solutions.
  • Implement authentication and authorisation using OAuth2/OIDC and JWT.
  • Develop cloud-native solutions on Google Cloud Platform (GCP).
  • Collaborate with cross-functional teams and contribute to CI/CD pipelines and engineering best practices.


Requirements:

  • 5-8 years of backend development experience.
  • Strong expertise in Java, Spring Boot, REST APIs, API Design, and OpenAPI/Swagger.
  • Hands-on experience with API Gateway Integration.
  • Good understanding of OAuth2/OIDC, JWT, and API Security.
  • Experience working with Google Cloud Platform (GCP).
  • Exposure to CI/CD pipelines and modern software development practices.
  • Strong problem-solving and communication skills.

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