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Deutsche Telekom Digital Labs

Posted 27 Aug 2026

Backend Test Engineer - AI Agentic

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Employment
Full time
Team
Software Engineering
Posted
27 Aug 2026

About the role

We are seeking an experienced AI Agentic Backend Test Engineer with strong expertise in API automation using Rest Assured to validate AI-driven backend systems, agentic workflows, and microservices architectures. The ideal candidate should have experience testing backend APIs, AI/LLM-integrated services, orchestration workflows, and distributed systems while ensuring scalability, reliability, and accuracy of AI-powered applications.


Responsibilities:

  • Design and develop automated API test frameworks using Java, Rest Assured, and TestNG/JUnit.
  • Validate AI agent workflows, orchestration logic, and backend integrations.
  • Test REST/GraphQL APIs, microservices, and event-driven systems.
  • Perform functional, regression, integration, and end-to-end backend testing.
  • Validate AI/LLM service responses, workflow execution, and error handling.
  • Create test scenarios for: Multi-agent workflows, AI orchestration pipelines, and Prompt/response validation.
  • Integrate automated tests into CI/CD pipelines.
  • Collaborate with backend, DevOps, and AI/ML teams to ensure quality delivery.


Requirements:

  • Strong hands-on experience with Java, Rest Assured, and API automation testing.
  • Experience testing REST APIs and microservices, Distributed systems and asynchronous workflows.
  • Familiarity with Kafka/RabbitMQ or messaging systems, Docker/Kubernetes environments, CI/CD tools (Jenkins, GitHub Actions, GitLab CI).
  • Understanding of AI/LLM-based systems and agentic workflows.
  • Knowledge of SQL/NoSQL databases.
  • Bachelor's degree in Computer Science or related field.
  • 5-8 years of backend/API automation testing experience.
  • Exposure to AI/GenAI applications preferred.

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