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Deutsche Telekom Digital Labs

Posted 27 Aug 2026

Agentic AI Backend Testing Engineer

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Employment
Full time
Team
Software Engineering
Posted
27 Aug 2026

About the role

We are looking for an Agentic AI Backend Testing Engineer to test backend systems that support AI-driven and Agentic AI workflows. The role focuses on validating APIs, AI decision logic, system behaviour, and backend stability. high-quality AI systems.


Responsibilities:

  • Test backend services supporting Agentic AI systems.
  • Perform REST API testing using Rest Assured.
  • Validate AI agent workflows, orchestration, and responses.
  • Design and execute automation test cases.
  • Ensure correctness of AI decisions, data flow, and error handling.
  • Identify defects, edge cases, and performance issues.
  • Analyse logs and debug backend failures.
  • Collaborate with developers to resolve issues.
  • Maintain test cases, reports, and documentation.


Requirements:

  • 4-6 years of experience in Backend / Automation Testing.
  • Strong hands-on experience with Rest Assured.
  • Good understanding of REST APIs, JSON, and HTTP methods.
  • Experience testing AI / Agentic AI or ML-based systems.
  • Knowledge of backend architecture and microservices.
  • Debugging and log analysis skills.
  • Basic SQL and data validation knowledge.


Good to Have:

  • Exposure to LLMs or autonomous agents.
  • Performance or load testing experience.
  • CI/CD pipeline understanding.
  • Experience with cloud environments.

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