Sanne Visser works as a test manager and quality lead at Bartosz. With over a decade of experience in software testing, she has worked on diverse projects ranging from insurance systems to railway software solutions. Her main technical expertise lies in end-to-end (E2E) testing of complex software systems. Sanne is an active member of the software testing community, running a you tube channel, open space conference and mentoring fellow testers. As a part-time stoic, she enjoys discussing resilience and stoicism with her teams. Her guiding principle is, "Every effort is beautiful, you are what you do every day".