ALL AWS Certifications Engineer(Passed All AWS Certification Exams), Cloud Architect, DevOps Engineer. After gaining experience as an application engineer, he was assigned to Silicon Valley to engage in R&D related to the leveraging of AWS, which was in its dawn at the time. After that, he has used AWS for migration, web application development, identity federation, IaC, serverless development, etc. He makes the best use of the AWS based on the knowledge of "ALL AWS Certifications Engineer". Awarded: 2020, 2021 APN ALL AWS Certifications Engineer / 2020, 2021 APN AWS Top Engineer.