Summary
Hien Do is a seasoned Full Stack Software Engineer with 11 years of experience building performant web applications and scalable front-end architectures across Vietnam’s tech sector. Currently a Senior Frontend Engineer at FlexRule, he focuses on intelligent UIs for decision automation platforms and brings deep expertise in React, Vue, Angular, TypeScript and ASP.NET Web API. He has led teams and projects end-to-end—from system design and API development to performance optimization and maintenance—at companies including Siten, Episerver, and CMC Global. Hien is comfortable switching hats between front-end polish and back-end concerns, having designed DB schemas, services, and commerce features for order management systems. Known for pragmatic problem solving and adopting best practices, he balances hands-on coding with mentoring and architecture decisions. His background from Hanoi University of Science and Technology underpins a disciplined approach to engineering complex web systems.
11 years of coding experience
8 years of employment as a software developer
Bachelor's degree Information Technology, Bachelor's degree Information Technology at Hanoi University of Science and Technology