Alexandr Karpov Email & Phone Number

Rostov-On-Don, Rostov, Russia

Language: Kotlin,Core technologies: RxJava 3, Room, WebSocket, Retrofit, OkHttp, KoinArchitecture: MVPI'm developing one of the largest betting application in Russia (DAU over 300k on the android platform)I work in a team of 7 android developers and interact with the rest of the team: qa's, pm, ios developers.- Experience in conducting code reviews/paired code reviews.- Estimate the implementation period for the feature and independently implement it.- Participate in the maintenance of technical documentation.- Optimized work with lists, by caching drawable on the screen, as well as getting the drawable on the background thread.- Rewrote work with the camera, adapted it to targetApi 32.- Migrated application from targetApi 30 to targetApi 32.- Engaged in redesign and refactoring of the application.

Rostov-On-Don, Rostov, Russia

Languages: Kotlin, JavaCore technologies: RxJava, Coroutines, Flow, Room, Dagger, Retrofit, OkHttp, WebSocketArchitecture: MVVM, Clean ArchitectureMain project: corporate messengerproject link: https://www.zuzex.com/projects/messenger-applicationWorked in a team of 3 android developers, and interacted with the rest of the team: qa's, pm, ios developers.- Experience with QuickBlox SDK for WebRTC calls- Developed a custom camera using Jetpack CameraX replacing the native camera.- Integrated and customized image processing library (drawing, flipping, cropping, photo format) written in Java and NDK- Reduced RAM consumption from 1.5GB to 500MB by optimizing image and video size compression and fixing memory leaks.

Rostov-On-Don, Rostov, Russia

Temporary project support: voice assistant- Developed a constant wait for a command like Siri or Google Assistant using Vosk.- Implemented a pop-up window that appears on top of all applications, like in Shazam.