Senior QA Engineer

About the company: KIEFER is building Greece's integrated AI ecosystem. From renewable energy infrastructure and AI systems to robotics and enterprise applications, we connect the technologies that power Europe's intelligent future. Founded in 2014, KIEFER has delivered 600MW+ of energy projects and is now developing sovereign AI infrastructure, enterprise AI products and physical AI systems for Greece and Southeast Europe. ABOUT THE ROLE: We are looking for a Senior QA Engineer to join our established QA practice and help us scale quality across Sophea products. You will work as part of a horizontal QA function, collaborating with different product and engineering teams. The role combines hands-on test automation with ownership of QA processes, CI quality gates, test reporting, and defect visibility. You will review existing test suites, identify the most important quality risks, and improve how we test frontend, backend, APIs, and AI-powered features. An important part of the role will be developing practical ways to evaluate AI-generated output, where traditional automated testing may not be enough. Our stack includes 10+ Python and TypeScript services across multiple repositori... Click Apply to read the full job description.