Feb 7

Brock Janikowski

How we reduced manual regression tests by 70% using AI tools

AI tools offer a solution to difficult-to-automate regression testing woes.

Duo wearing glasses at a desktop computer with Duolingo stickers on it.

Illustration of Duolingo character Lily sitting back-to-back with a large blue dog

Mar 1 Blanca Zhang

How dogfooding helps us build a better Duolingo

How we sped up Android and iOS builds by 68% on CI

Dec 18 Aaron Wang

How we sped up Android and iOS builds by 68% on CI

Illustration of a computer monitor with two open browser windows that read "Interview @ Duolingo"

Aug 20 André Kenji Horie

Interviewing with Duolingo’s Engineering Team

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