Alexandru Bolboacă is a CTO, passionate polyglot programmer, senior trainer, and advisor at Mozaic Works. With over 20 years in software development, he has worked in various industries and across European countries, as well as the UK and the USA. He has been involved in large projects in sectors such as banking and financial services, energy, telecommunications, pharma, and eHealth. Drawing from practical experience, he advises and teaches architecture and usable software design, evolutionary design, crafting code, clean code, secure coding, and refactoring legacy code. Alex enjoys helping teams and organizations understand and build strategies for successful and robust products, built-in quality, and motivation. Ferenc-Lajos Deák is a seasoned software developer with a strong foundation in mathematics and theoretical computer science, currently based in Trondheim, Norway. His career spans roles across diverse domains, including autonomous vehicles, real-time traffic systems, multimedia, and telecommunications. An avid open-source enthusiast, he maintains several live projects and has authored more than a dozen articles for various technical publications, focusing on one of his passions: programming.