Designed and implemented custom UI components, such as the Map (based on the Mapbox SDK and featuring highly customizable appearance and capabilities), the Sheet (an analogue of the UISheetPresentationController with extended functionality), the PieChart (based on Core Graphics and Core Animation). Successfully integrated these components across the company’s appsDeveloped key features for the SabyGet app, including the main screen, the food delivery order flow and the orders history and statsPlayed a key role in advancing the Courier app as a lead developer on the project. Took an active part in the development of core features, such as the list of works, the map view, the work information, and the fuel accounting. Developed the Tracking feature, providing management with live location data of field workers, using Core Location (including Background Location) and Core MotionContributed significantly to the company’s adoption of a modular architecture, leading to reduced code duplication by effectively consolidating related code into separate modules

Implemented various features for the Pochta Bank app, such as card blocking, P2P transfers, skipping/lowering payment for credit and othersDeveloped an automatic UI testing system using Appium and Python. Optimized the speed of test execution

Implemented features and fixed bugs in the app Taxi 6-000-000. Gained experience in working with WebSocket, Google Maps API and Facebook SDKDeveloped a new in-house YouTrack client app using RxSwift, MVVM, Material Design components and YouTrack API

Developed my first app called Apgar, intended for a quick evaluation of the health of a newborn using 5 criteria