Isaac Felisberto de Souza is an experienced software engineer with over 20 years of practice. He holds a Bachelor's degree in Information Systems from Universidade do Sul de Santa Catarina. Besides Java and JavaScript, he is also familiar with Python and Ruby. Isaac has performed in various roles throughout his career, such as developer, analyst, architect, and management. Nowadays, he focuses on working with Agile and DevOps cultures, and he seeks to develop software sustainably by balancing value delivery and best practices of architecture and software development. Isaac founded Guia dev, and he previously worked at companies such as Agriness, Resultados Digitais, Grupo Nexxera, KSI Soluções, SIXNET - Systems Integration Experts Ltda. and Industrial Pagé LTDA.