Katelyn Lesse

I currently lead Platform engineering at Anthropic. I previously led Connect engineering at Stripe and product engineering at Betterment.

Writing

Secure agents: architecture and sandboxing2026-09-13
Building secure agents is simpler than you might think. It mostly comes down to one major architecture decision and a couple important sandbox configuration decisions.
What the CPU shortage means for software teams2026-09-07
The tech industry now has a CPU shortage on our hands, and we've all got a shift to make as a result.
You can't avoid the hard part2026-07-05
Can you avoid the hard part and still succeed? If the answer is no, the safe path is just delaying failure. You have to take the big swing.
The testing pyramid still holds2026-04-01
The testing pyramid still holds. How we interpret it and the intention we put into following it matters now more than ever.

Speaking