How we reduced manual regression tests by 70% using AI tools
AI tools offer a solution to difficult-to-automate regression testing woes.
How Duolingo optimizes iOS performance
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How we sped up Android and iOS builds by 68% on CI
We made our engineers happier by cutting build times down from 50 minutes to 16.
How server-driven UI keeps our shop fresh
A single backend response can do a lot more than you think.
How dogfooding helps us build a better Duolingo
“Dogfooding” is one of the most important tools we have for improving the app.