Topic

DevelopmentTeam

A collection of 6 issues

When AI Writes the Code, Who Owns the Decision?

Last week, an unusual incident occurred at a crypto exchange. A promotional event was supposed to distribute 2,000 KRW (approximately $1.50 USD) per user. Instead, due to a unit mismatch in the payout logic, 2,000 BTC was transferred. The exact root cause isn’t the focus here.

When AI Ships Too Fast: The Real Debt Isn’t Only Technical

AI has made shipping feel absurdly easy. In the Bay Area, it’s almost normal now to see a solo builder go from “idea” to “working MVP” in a weekend. If you’re a one-person team, AI can genuinely feel like having a full stack of teammates: PM, designer, engineer,

AI Makes Code Faster, and Technical Debt Deeper for Teams

AI has moved beyond simply making development easier. It is now reshaping organizations, sometimes even driving discussions around headcount reduction. From my experience, one thing is clear: doing more work faster is absolutely possible with AI. Code generation, test scaffolding, refactoring suggestions, AI dramatically increases individual productivity. However, that doesn’

AI now worries about performance. We, as developers, must worry about

When I was deep in hands-on development years ago, I had to understand the inner workings of databases to achieve acceptable performance. Even a small change in query casing could cause cache aging out, leading to HDD hits and a dramatic drop in speed. To avoid this, I spent countless

There’s more to engineering than just code

Every team has its own rhythm and way of solving problems After years of leading engineering teams, one thing became clear to me: a strong team isn’t built only from technical skills or years of experience. Developers approach the same problem in completely different ways. Some move fast, iterate

The Quiet Work Was What Kept the Product Alive

— A reflection from 19 years in engineering and why we need to rethink how we evaluate our teams During my time as a CTO at a startup, I worked with two engineers who taught me a lesson I didn’t fully understand until they were gone. Both were skilled and