Huanjun Ji
Senior Software Engineer II at Affinity.co
Austin, Texas, United States
Summary
👤
Senior🎓
Top SchoolHuanjun Ji is a Senior Software Engineer II based in Austin with a decade of engineering experience and eight years focused on backend distributed systems using Ruby on Rails, JavaScript, and Python. He has driven critical projects at high-growth companies—most recently at Checkr—where he led monolith modernization, microservice onboarding, and reliability initiatives that delivered measurable savings and a 30% reduction in stuck reports. Comfortable across the stack, he pairs hands-on coding (Rails, Sinatra, Go, FastAI) with infra expertise in Kubernetes, Kafka, Snowflake, and Datadog to ship scalable, observable systems. Huanjun also has a background in production planning and process improvement, which informs his disciplined, metrics-driven approach to engineering and cross-team collaboration.
10 years of coding experience
8 years of employment as a software developer
University of California, San DiegoFullstack Coding Bootcamp Computer Software Engineering, Fullstack Coding Bootcamp Computer Software Engineering at App Academy
Chinese, English
Stackoverflow
1reputation
0reached
0answers
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Github Skills (64)
pact9
consumer-driven-contracts9
ruby9
todomvc9
macos9
enzyme8
package-manager8
pact-js8
test-framework8
homebrew8
ava8
chai8
linux8
traversal8
testing8
Programming languages (6)
Github contributions (5)
huan-ji/robot-unicorn-attack
Jan 2016 - Jan 2016
Contributions:26 commits, 4 PRs, 25 pushes in 7 days
pythonextremerobotunicornattack
huan-ji/huan-ji.github.io
Jan 2016 - Oct 2017
Contributions:24 pushes, 1 branch in 1 year 9 months
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