Pawel Sawicki is a freelance consultant and lecturer with a focus on distributed systems, and related areas such as software security and software architecture, especially in the context of mobile applications. On this way he discovered React and React Native several years ago and used them in a variety of professional projects for leading German companies, from small startups to large corporations. Pawel always strives to share the practical knowledge he has acquired in a didactically valuable way for the benefit of his clients and students.