Leandro is a full-stack developer with a significant focus on TypeScript, dedicating over 740 hours to mastering it. He has also invested considerable time into JSON and JavaScript, enhancing his versatile coding skills across multiple languages. With a strong presence on WakaTime, he has logged more than 1.4K hours of coding activity, showcasing his dedication and proficiency in software development. Additionally, Leandro has built a professional network with 155 connections on LinkedIn.