Zyfra Group (October 2019 - October 2021)

Worked in a team of 5 Android developers. We developed functionality for industrial tablets used in various sectors. I worked on device and system integration and app performance optimization. Stack: Java, Kotlin, RxJava, Dagger, Retrofit, BLE, Coroutines, NDK. Tasks included firmware integration with sensors via serial port, BLE, P2P Bluetooth, Wi-Fi, etc., bug fixing, adapting the system for new clients, and developing Custom Views.