# Art Chaidarun

Principal Software Engineer at Duolingo

## How we made developer onboarding a breeze with GitHub Codespaces

[Read More](https://blog.duolingo.com/developer-onboarding-with-github-codespaces/)

## Open sourcing Metasearch, our one tool to search them all

[Read More](https://blog.duolingo.com/open-sourcing-metasearch-our-one-tool-to-search-them-all/)

## Migrating Duolingo’s Android app to 100% Kotlin

[Read More](https://blog.duolingo.com/migrating-duolingos-android-app-to-100-kotlin/)