Erishen Sun
Senior Full-Stack Engineer at PayPal
Changning District, Shanghai, China
Summary
👤
Senior🎓
Top SchoolErishen Sun is a Senior Full-Stack Engineer with two decades of hands-on experience building everything from embedded systems to large-scale web and FinTech platforms. Currently shaping core financial systems at PayPal, he has delivered zero-incident production releases while architecting AI-powered customer service, identity verification, and resilient developer tooling. Previously he led international front-end at Trip.com, pioneering early React SSR and driving migrations that improved performance and SEO for millions of users. He combines deep technical breadth—React/Next.js, Node, Three.js, gRPC, and voice/AI integrations—with proven delivery skills, raising test coverage and shipping complex 0-to-1 products. Notably, he built a Disney-grade AI digital human MVP in a month and leverages AI to accelerate development workflows by roughly 80%. Based in Shanghai, he blends engineering leadership with product insight to tackle high-risk, high-impact problems.
11 years of coding experience
16 years of employment as a software developer
Bachelor of Science (BS) Mathematics and Computer Science, Bachelor of Science (BS) Mathematics and Computer Science at Nanjing University of Information Science and Technology
English, Chinese
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (20)
mongodb8
nodejs8
javascript7
database7
sql-server6
typescript6
sqlite6
postgresql6
mysql6
mssql5
sql5
orm5
prisma5
cockroachdb5
query-builder5
Programming languages (2)
Github contributions (5)
erishen/erishen.github.com
May 2016 - Jun 2024
erishen.github.io sourcecode
Contributions:65 pushes, 5 branches in 8 years 2 months
erishen/react-redux-ssr
Jun 2018 - Aug 2018
Contributions:16 commits, 51 pushes, 3 branches in 2 months
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