Position: Senior iOS/Flutter developer, Engineering Manager, Mobile team lead
Category: Lead
English level: fluent
Years of experience: 11

- Fluent English, German, Ukrainian and Russian speaker.
- Led the mobile engineering team worked on Flutter app from the concept to the market start in Germany.
- Organized the development workflow inside of the mobile team including planning, bug reporting and interaction with the product team.
- Designed and maintained the app release pipeline on iOS and Android platforms.
- Migrated Objective-C SDK implementation to Swift.
- Increased the test coverage by 25%.
- Implemented eye-tracking algorithm based on iPhone True Depth camera to track user’s eye position and calculate the position of the cursor on the screen.
- Designed text input prediction model used in the screen keyboard to simplify text input.
Developed end-to-end data preparation pipeline (Python).
- Implemented 10-class human activity classifier based on deep feedforward neural networks (F1: 92%).
- Developed a voting algorithm which increased overall model performance by 8%.
- Integrated classifier into Apple Watch app.
Certified medical product for diabetics currently in the stage of DIGA approval in Germany (Dart/Flutter). 

iOS SDK designed to automatically track user’s physical activity based on sensor data and communicate to the server.

Eye-tracking algorithm based on iPhone True Depth camera to track user’s eye position and calculate the position of the cursor on the screen.

iOS/WatchOS app (Swift) that tracks workouts automatically. It recognizes fitness exercises, calculates exercise time and provides detailed statistics for each exercise with the help of multiple neural networks fed with sensor data from Apple Watch.

Worked on several native and hybrid iOS companion apps (Objective-C, Swift, C++) with heavy BT/BLE usage. Worked on Connect IQ app.
Product-only companies having a German legal entity (or able to employ in Germany) with vibrant and meaningful product as well as challenging problems, sufficient amount of autonomy and remote-first culture.

No freelance/contract work.