Lead AI Quality Engineer & Test Automation Architect

- Design and execute end-to-end testing strategies specifically tailored for Machine Learning models, Generative AI systems, RAG architectures, and Autonomous Agents. - Validate model accuracy, fairness, bias detection, explainability, robustness, and performance across diverse and edge-case datasets. - Execute adversarial testing, prompt-injection, jailbreaking, and red-teaming to evaluate prompt robustness and behavioral variations under stress. - Validate agentic workflows, including multi-step reasoning paths, state transitions, tool execution, and fallback behaviors during service failures. - Evaluate LLM outputs for correctness, grounding, factuality, consistency, safety, and hallucination reduction. - Assess vector store behavior, document chunking logic, retriever configurations, and semantic search accuracy. - Conduct API, performance, latency, throughput, and concurrency testing on AI inference endpoints and data pipelines. - Ensure compliance with AI ethics, data privacy laws, business rules, and insurance regulatory guidelines, maintaining audit-ready test evidence and behavioral reports. - Define AI quality KPIs, establish test governance, and build automated testing frameworks integrated into CI/CD pipelines. - Collaborate closely with Data Scientists, ML Engineers, SMEs, and DevOps teams while mentoring junior QA engineers and creating reusable test accelerators. - Experience & Specialization: Proven senior/lead expertise in software quality engineering with a dedicated focus on AI/ML systems and GenAI applications. - Programming & Automation: Advanced proficiency in Python for test automation, data validation, and custom AI testing scripts. - GenAI & RAG Ecosystems: Hands-on experience with GenAI frameworks, vector databases, chunking strategies, and retrieval evaluation. - Model Evaluation & Metrics: Deep understanding of data validation, model evaluation metrics, fairness/bias testing, and drift detection (data and concept drift). - API Testing: Expertise in testing AI services and model endpoints using tools such as Postman, REST Assured, or Python REST clients. - DevOps, Cloud & Infrastructure: - Experience with CI/CD pipelines for continuous testing integration. - Exposure to cloud platforms hosting AI deployments. - Working knowledge of containerization and orchestration environments (e.g., Docker, Kubernetes). - Familiarity with Big Data ecosystems for large-scale AI testing. - Security & Governance: Experience in AI ethics, compliance testing, observability tools, and security testing for data pipelines and model-serving endpoints. - Advanced Red Teaming: Hands-on experience building automated adversarial test suites and automated synthetic data generation for rare edge cases. - Framework Automation: Direct implementation of specialized LLM evaluation frameworks (e.g., Ragas, DeepEval, TruLens). - Observability Setup: Advanced configuration of AI monitoring dashboards and automated regression testing workflows for retrained models. English is a must Barcelona