SOFTWARE ENGINEER

I turn complex problems into
better user experiences.

Hello, I'm Eunso Ahn, a software engineer.
I build products for people and write about the problems I solve and lessons I learn along the way.

Recent posts

Web
Migrating a Design System Safely with Visual Regression Testing
How we built a reliable design system migration workflow with feature flags, Storybook, and Playwright.
July 15, 2026
Web
Removing 1.2 Seconds of Render Blocking with Dynamic Naver Map API Loading
How dynamically loading the Naver Map API removed render blocking and improved FCP by 86%.
December 4, 2025
Web
Dynamic OG Tags in a CSR Application with CloudFront Functions
How we used CloudFront Functions to serve dynamic Open Graph tags from a CSR application
November 19, 2025

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Eunso Ahn | Software Engineer