Zach Ahn
Software Engineer at Gusto
New York, New York, United States
Summary
👤
Senior🎓
Top SchoolZach Ahn is a pragmatic software engineer and former engineering manager with 13 years of experience building backend web applications, billing systems, and high-uptime Rails platforms. He blends deep Ruby/Rails expertise with modern systems work—GraphQL Apollo Federation, Kafka, TypeScript, SwiftUI, and Rust—often applying gradual typing and rigorous testing to raise engineering quality. At Odeko he led billing and payments engineering, designing graph-modeled ledgers and daily deposit workflows that required exactly-once payout guarantees. Known as a supportive mentor and process improver, he moves from hands-on coding to coaching teams, improving developer experience, and aligning engineering work with business goals. Based in New York, he balances production-facing responsibilities with side projects and a lifelong curiosity for new languages and frameworks.
13 years of coding experience
13 years of employment as a software developer
BSE Computer Science, BSE Computer Science at University of Michigan
English
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (114)
slack-bot10
mvc10
ruby10
directories10
html10
rails10
manager10
gulp-plugin10
mruby10
rubygems9
pattern9
gulp9
golang9
ruby-application9
cli9
Programming languages (9)
Github contributions (5)
zachahn/dotfiles
Mar 2015 - Dec 2022
Contributions:508 commits, 4 PRs, 274 pushes in 7 years 11 months
zachahn/disqualified
Jul 2022 - Jan 2023
A small background job framework for Rails apps
Contributions:1 release, 17 commits, 1 PR in 6 months
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