Hieu Nguyen
Senior Software Engineer, Backend at Grab
Ho Chi Minh City, Vietnam
Summary
👤
Senior🎓
Top SchoolHieu Nguyen is a Senior Backend Engineer based in Ho Chi Minh City with 8 years of experience building scalable, high-performance systems across fintech, mobility, and blockchain domains. Proficient in Java, JavaScript, and Go and AWS certified, he has a track record of improving conversion and retention (notably boosting Grab Group Order conversion to 40% and retention to 64.6%) and halving latency for merchant discovery flows. He designs resilient microservices, raises test coverage and CI quality, and has driven sizable performance wins—10x API improvements and 50% faster ETLs—through caching and architectural refactors. Comfortable across the stack, he’s shipped NFT marketplace and real-time features that handled intense concurrency and peak traffic, and even built a whiteboard tool to generate training data for an AI pipeline. Outside of work he writes about engineering and systems thinking on his personal blog, signaling a pragmatic curiosity for solving complex problems end-to-end.
8 years of coding experience
4 years of employment as a software developer
Bachelor's degree, Information Technology, Bachelor's degree, Information Technology at Posts and Telecommunications Institute of Technology
Stackoverflow
354reputation
11kreached
15answers
3questions
Github Skills (58)
react-native7
postgresql7
mysql7
cordova7
notion-api7
nodejs7
javascript7
oracle7
typescript7
notion7
fabricjs7
react7
database7
sqlite7
renderer7
Programming languages (4)
Github contributions (5)
trunghieu99tt/Facebook-story-demo
Oct 2021 - Oct 2022
Contributions:11 commits, 5 pushes in 1 year
trunghieu99tt/BullMQ-Monitor
Feb 2022 - Jan 2024
Contributions:18 PRs, 23 pushes, 5 branches in 1 year 11 months
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