Alexander Diva Grael Bangun is a skilled Cloud Engineer currently working at PT. Central Data Technology since April 2023, specializing in Amazon Web Services and managed services. Since July 2021, Alexander has also been a Sub Teacher Leader and Programming Teacher at Timedoor, focusing on programming concepts, public speaking, and collaborative learning methods. Previous experience includes a Software Engineer Intern position at Datangin, where Alexander developed a website using Node.js, Express.js, and React. Alexander served as a Computer Lab Assistant at Institut Teknologi Sumatera, gaining expertise in Embedded Systems, IoT, Cloud, Computer Networking, and Web Programming. Additionally, Alexander completed a Cloud Computing Learning Path at Bangkit Academy and participated in a coding bootcamp with the Center for Digital Society in 2020. Alexander holds a degree in Informatics from Institut Teknologi Sumatera.