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Sr Engineer – GenAI Quality Assurance

Johnson & Johnson Innovative Medicine

madrid, comunidad de madrid, Spain Full-time July 13, 2026

Found Description

Senior Engineer – GenAI Quality Assurance

Location: Madrid or Barcelona, Spain. Hybrid working.

Job Description

Responsible for validating, stress‑testing, and improving Gen‑AI powered products across the product lifecycle, from pre‑deployment validation to post‑release monitoring.

Key Responsibilities

  • Design and implement automated and manual QA strategies for GenAI systems
  • Build regression tests, generate synthetic test data, and develop test harnesses and evaluation pipelines for accuracy, grounding, robustness, and safety
  • Validate prompt logic, model behavior, and evaluation metrics
  • Execute tests and debug pipelines
  • Support deployment of GenAI products
  • Lead system design reviews, advocating best practices for architecture and reliability of GenAI applications
  • Collaborate closely with data scientists and developers to embed testing and quality checkpoints
  • E...

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