Fatih is a passionate software developer from Istanbul, Turkey, currently leading Developer Relations at Teknasyon. He has authored books on JavaScript and prompt engineering for AI tools. With a deep enthusiasm for web technologies and AI-assisted development, he actively contributes to open-source projects and builds innovative things on GitHub.Beyond coding, Fatih enjoys organizing conferences and sharing knowledge through talks. A strong advocate for open-source collaboration, he specializes in JavaScript and Ruby (particularly Ruby on Rails). He also created prompts.chat, a platform for exploring and optimizing AI prompts for LLMs.