Seth Choi

Senior Software Engineer at Squarespace

San Diego, California, United States
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Summary

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Senior
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Top School
Seth Choi is a Senior Software Engineer based in San Diego with 11 years of experience crafting polished, user-focused front ends and reusable component systems for companies like Squarespace and HubSpot. He blends strong UI design sensibilities—illustrated by D3 visualizations and a coach reports landing page for the KA Lite project—with pragmatic engineering: building mono-repo frameworks and in-house component libraries to scale teams and product consistency. Seth often takes on tech-lead responsibilities, driving architecture, onboarding flows, and cross-team delivery while mentoring healthy team culture. Beyond code he’s a visual artist and DJ, bringing a creative-first mindset to product polish and interaction design. He’s also intellectually curious about AI, global systems, and the sciences, which informs both his approach to problem solving and feature design.
code11 years of coding experience
job10 years of employment as a software developer
bookUniversity of California San Diego
languagesEnglish, Korean
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Github Skills (9)

javascript10
d3js10
html9
css9
backbone8
backbonejs8
handlebars8
bootstrap7
bootstra7

Programming languages (4)

TypeScriptJavaScriptHTMLPython

Github contributions (5)

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learningequality/ka-lite

Feb 2015 - Dec 2015

KA Lite: lightweight web server for serving core Khan Academy content (videos and exercises) without needing internet connectivity
Role in this project:
userFull-stack Developer
Contributions:38 commits, 6 PRs, 12 comments in 9 months
Contributions summary:Seth primarily worked on the frontend, implementing and refining the coach reports landing page. Their contributions included the development of a radial graph visualization using D3.js, which displayed content time and total time logged. Additionally, the user updated the topic selection using a multi-select dropdown, and made various style and layout adjustments.
connectivityservinginternet-connectivityweb-servervideos
sethachoi/ka-lite

Feb 2015 - Dec 2015

Contributions:22 pushes, 4 branches in 9 months
connectivityservinginternet-connectivityweb-servervideos
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Seth Choi - Senior Software Engineer at Squarespace