We are looking for a Quality Engineer Lead Expert to lead quality assurance of our AI systems: ML models, LLM-based applications, RAG pipelines and autonomous agents. The role covers functional, non-functional, security and compliance testing in an insurance context. It works closely with AI engineers, data scientists, DevOps teams and SMEs.Main ResponsibilitiesDesign and execute test strategies for ML models, LLMs and agents (accuracy, fairness, bias, explainability, robustness)Validate LLM and RAG outputs: grounding, hallucination, retrieval accuracy, vector stores, chunking logicRun adversarial, prompt-injection and red team testingBenchmark latency, throughput,



concurrency and multi-agent performance; validate fallback and retry logicBuild automated test frameworks for AI/ML pipelines, including synthetic data and regression testing of retrained modelsDefine model quality KPIs, produce audit-ready evidence and mentor junior testersExperience RequiredSoftware testing focused on AI systems (ML models, LLMs, agents)Python for test automation, data validation and AI testing scriptsAPI, performance and security testing of AI services and model endpointsAI ethics, data privacy and regulatory compliance testingTesting AI on cloud platforms and Big Data ecosystems at scale#J-18808-Ljbffr

📌 Quality Manager (Barcelona)
🏢 Square One Resources
📍 Barcelona