Alfred Xing
Member Of Technical Staff at Anthropic
New York, New York, United States
Summary
🤩
Rockstar🎓
Top SchoolAlfred Xing is a seasoned software engineer with 12 years of experience building performant web and payments infrastructure across companies like Stripe, Notion, Slack, and currently Anthropic in New York. He brings full‑stack chops—frontend performance, React/Redux, and backend payments APIs—alongside infrastructure and reliability work that keeps user-facing systems fast and robust. Alfred has a strong track record at scale, moving from internships to staff roles at Slack and tackling web infrastructure and performance at Notion before contributing to payments at Stripe. An active open-source contributor, he improved functionality and test coverage in the widely used Jekyll project, demonstrating a focus on code quality and maintainability. He holds dual degrees in Computer Science and Economics from UBC, which informs his pragmatic, metrics-driven approach to engineering tradeoffs.
12 years of coding experience
9 years of employment as a software developer
Bachelor of Science - BS Computer Science, Bachelor of Science - BS Computer Science at The University of British Columbia
Stackoverflow
4,504reputation
514kreached
104answers
9questions
css
top-5%
html
top-5%
Github Skills (18)
testing10
ruby10
jekyll10
css9
static-site-generation9
html9
markdown-it8
liquid8
markdown8
fade-out6
fade6
php6
google-chrome6
fade-in6
jquery6
Programming languages (8)
Github contributions (5)
jekyll/jekyll
Jun 2014 - Feb 2016
:globe_with_meridians: Jekyll is a blog-aware static site generator in Ruby
Role in this project:
Back-end Developer & Test Automation Engineer
Back-end Developer & Test Automation EngineerContributions:131 commits, 37 PRs, 39 pushes in 1 year 7 months
Contributions summary:Alfred primarily contributed to improving the Jekyll project's functionality and reliability through tests and code improvements. Their work included adding and solidifying tests for document permalinks, addressing date parsing errors in front matter, and correcting broken links. The user also focused on code quality, refactoring the layout validity logic and removing deprecated methods, and ensuring accurate URL generation within the project.
globestatic-siteliquidblog-engineruby
stillery/status
Dec 2015 - Jun 2018
Contributions:16 commits, 10 pushes, 1 branch in 2 years 6 months
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