Dung Sy
Full Stack Developer at Freelancer
Hà Nội, Vietnam
Summary
👤
Senior🎓
Top SchoolDung Sy is a pragmatic full stack developer with 11 years of experience building high-availability web and microservice systems across e-commerce, marketing automation, and education. Comfortable across Java, Go, PHP and modern front-end stacks, he has designed payment and headless commerce platforms, customer data pipelines, and predictive marketing services that prioritize performance and reliability. He pairs hands-on engineering with product-minded problem solving—investigating production incidents, finding root causes, and shipping practical fixes. As a former co-founder and longtime contributor to both backend and frontend codebases, he brings entrepreneurial discipline and a knack for stabilizing complex distributed systems. Based in Hà Nội, he blends deep backend expertise with real-world experience delivering customer-facing features at scale.
11 years of coding experience
8 years of employment as a software developer
React Native, React Native at CoderSchoolSoftware Application, Software Application at FPT Polytechnic
Vietnamese, English
Github Skills (13)
wordpress10
react9
react-native9
android9
ios9
cross-platform8
mobile8
view-engine8
app-framework6
mobile-development6
template-engine5
server-side-rendering4
react-ssr4
Programming languages (5)
Github contributions (5)
designwall/dw-reactions
Feb 2016 - Apr 2016
Contributions:12 releases, 40 commits, 34 pushes in 1 month
designwall/dw-question-answer
Jan 2016 - Aug 2016
FREE WordPress Question and Answer Plugin
Contributions:21 releases, 206 commits, 8 PRs in 7 months
wordpress
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