# Engineering

- [Data dictionary & API](/engineering/data-dictionary.md)
- [Android](/engineering/android.md)
- [Conventions](/engineering/android/conventions.md): We try to stick to these conventions as much as possible. Think of them as strong guidelines!
- [Deploying to Play Store](/engineering/android/deploying-to-play-store.md): The variants of the app have slightly different ways they get deployed to the Store.
- [Headers sent from the app](/engineering/android/headers-sent-from-the-app.md): This lists out all the headers which the app sends to the Simple server in all the requests
- [Backend](/engineering/backend.md)
- [Audit logs](/engineering/backend/audit-logs.md): How to audit access to patient data in the logs
- [Major flows](/engineering/backend/major-flows.md)
- [Localization](/engineering/localization.md): How we localize the Simple apps (mobile and backend) and other projects.
- [Android](/engineering/localization/android.md): Specific information related to localizing the Simple Android app
- [Server](/engineering/localization/server.md): Specific information related to localizing the Rails app
- [Adding/Editing translations for a project](/engineering/localization/adding-editing-translations-for-a-project.md)
- [Reviewing a translation](/engineering/localization/reviewing-a-translation.md)
- [Technical Hiring Process](/engineering/technical-hiring-process.md)