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Deutsche Telekom Digital Labs

Backend Test Engineer - AI Agentic

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Description

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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