Alvin Sng
Member Of Technical Staff at Factory
San Francisco, California, United States
Summary
🤩
Rockstar🎓
Top SchoolAlvin Sng is a seasoned software engineer based in San Francisco with over a decade of experience building resilient, cost-efficient systems at companies including Facebook, Airbnb, Opendoor, Brex, and several high-growth startups. He excels at end-to-end engineering work—spanning infrastructure, backend, and frontend—and has led major initiatives such as high-scale messaging, payments ledgers, and accounting integrations. Notable wins include reducing AWS costs by over 55%, improving export success rates from 70% to 99% at Brex, and cutting Opendoor downtime 12x while slashing per-request server costs. He’s skilled at replacing vendor lock-in with in-house solutions (Auth0 replacement) and at running lean engineering orgs that prioritize developer productivity. Currently bringing “autonomy to software engineering” as a Member of Technical Staff, Alvin combines deep technical craft with a practical focus on measurable business impact.
11 years of coding experience
15 years of employment as a software developer
Bachelor's of Science Computer Science, Bachelor's of Science Computer Science at University of California, Davis
English, Chinese
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (27)
javascript10
css10
eslint10
babel-plugin10
arrow-functions10
linting10
naming-conventions10
isomorphic9
hirefire9
dyno8
flux8
checkout8
typescript6
heroku5
simplify5
Programming languages (4)
Github contributions (5)
Slope-Tech/demo
Nov 2022 - Feb 2023
Slope Checkout Demo
Contributions:22 reviews, 16 commits, 67 PRs in 3 months
slopecheckout
brexhq/public-interview
Dec 2020 - Jun 2021
Public interview files for candidates
Contributions:1 release, 1 review, 5 commits in 6 months
candidates
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