Kristiyan Velkov is a seasoned software developer and technical leader with 11+ years of experience in front-end, DevOps, AI, and security. He is a speaker, tech book author of 4 books, Docker Captain, mentor, and educator, as well as the founder of the Front-end World newsletter. Through his books, blog posts, and talks, he reaches over 500,000 +  readers yearly, helping developers master modern JavaScript, React, TypeScript, DevOps, and secure, future-ready front-end architectures—clearly, practically, and without fluff.