Almost 20 years of experience, worked as Tech Lead, Software Architect, Developer. Conference speaker. My latest talk was on Spring One 2023. Main expertise in Java and Spring. Also experience in JS, TypeScript, and other frontend technologies. For more than 15 years I have been using Linux in my personal and work machines. Really enthusiastic about DevOps and GitOps technologies. I am the author of Lilo GraphQL Stitching Library, developed a programming language and OpenStack-like VM Orchestrator. Found 2 companies.