Senior QA Engineer

We are looking for a Senior QA Engineer with deep expertise in healthcare, regulated, or mission-critical systems. You will own end-to-end quality across AI-driven clinical products, directly safeguarding the reliability of tools used by healthcare providers and patients. This role requires balancing rigorous automation, regulatory compliance, and hands-on evaluation of AI agent behavior, translating complex clinical and technical requirements into robust, reproducible quality systems.

You'll collaborate with clinicians, AI engineers, and a small, highly senior engineering team to ensure nothing ships that could compromise patient safety.

Key responsibilities

Build robust automated test frameworks across services and AI agents. Implement scenario testing, vignette-based testing, and simulation pipelines. Ensure compliance with SOC2 / ISO27001 / HIPAA / GDPR / MDR. Own regression testing and pre-release validation workflows. Collaborate with clinical profiles to validate AI agent behavior.

Develop quality gates, metrics, scorecards, and defect analyses. Must have 8–10+ years of QA experience in complex distributed systems. Strong automation experience (Python, Playwright, PyTest, or others). Experience testing healthcare, regulated, or mission-critical systems. Strong understanding of clinical workflows, or genuine willingness to learn them deeply.

Excellent communicator with very high attention to detail.

Nice to have

Experience evaluating ML or AI agent outputs. Experience in safety-critical industries (healthcare, aviation, fintech, etc.) Why Join Work on cutting-edge AI technology with tangible clinical impact. Collaborate with visionary founders who built billion-dollar companies. Shape the foundation of a high-growth product and engineering team in Barcelona.

Build AI products that balance speed, safety, and science—a rare opportunity in HealthTech. What they Offer Competitive salary: €90,000 (depending on experience). Equity: Annual bonus based on company value and personal performance. Opportunity to shape AI in healthcare and influence a high-impact startup. Remote-first, flexible model with occasional on-site interaction in Barcelona.

Career growth and potential long-term equity participation.