Daniel S
Senior Software Engineer at Capital One
South El Monte, California, United States
Summary
👤
Senior🎓
Top SchoolDaniel S is a Senior Software Engineer with 11 years of experience building scalable, production-grade systems across fintech, e-commerce, and Web3. He has driven API feature development and resilience engineering at Capital One, led migration and Kubernetes deployments for payment platforms at PayPay, and built high-performance trading infrastructure and low-latency market data feeds as a quantitative trader. Comfortable across the full stack, he has shipped React/React Native frontends, Node.js and Spring backends, Solidity smart contracts, and big-data pipelines on AWS. Known for pragmatic improvements—like boosting test coverage from 65% to 85% and cutting data feed latency from 150ms to 2ms—he blends hands-on implementation with system reliability and observability. Relocating to NYC, he’s seeking opportunities where strong backend skills, systems thinking, and a track record in both traditional finance and emerging crypto can drive impact.
11 years of coding experience
6 years of employment as a software developer
Bachelor of Science (B.S.), Bachelor of Science (B.S.) at National Taiwan UniversityNon-degree student in summer class Advanced data structure, Non-degree student in summer class Advanced data structure at Harvard UniversityMaster’s Degree Computer Science, Master’s Degree Computer Science at Boston University
English, Chinese, Mandarin, Japanese
Github Skills (98)
realtime10
microfrontend10
javascript10
inferno10
reactive-programming10
build-system10
rpc10
nodejs10
meteor10
mongodb10
npm10
app-platform10
react10
bun9
zero-configuration9
Programming languages (5)
Github contributions (5)
Denly/CS673_team2
Sep 2016 - Dec 2016
The CS673 team2 project
Contributions:116 commits, 64 PRs, 70 pushes in 2 months
team2
Denly/leetcode-by-Huai-Chun-Shih
Jan 2016 - Dec 2018
Contributions:12 pushes, 1 branch in 2 years 10 months
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