Beauty Studio "Krasa" App

Application for a Beauty Studio. Server application with an admin panel where schedules, integrations, payments, etc. can be managed. Client apps for Android & iOS published on Google Play and the App Store.
Own page with links to download can be found here: http://drybar.by/
A system with a flexible architecture, it has integrations with a bunch of APIs, such as 1C, a bank API, Firebase, etc. Optimized for work on a slow network, it has its own high-performance cache implementation and detects internal and UI errors and performance issues. The admin panel provides the ability to configure almost everything and check the application's state in real time.