Axel Giernas has been working since 2013 on the development of the complex software systems which protect human life at track work sites. Starting as a software developer for embedded systems, he established and leads a team of software testers with the aim of achieving the high normative and qualitative standards necessary to ensure on-site safety. So with his skills and his daily work, he has an important contribution to increase the product quality and customer satisfaction and long term to reduce the costs for producer and costumer.