Borys
From Ukraine (UTC+3)
Borys – Jetpack Compose, Kotlin Multiplatform, Android
Borys is a senior Android engineer with over 10 years of commercial experience, specializing in Kotlin, Jetpack Compose, and Kotlin Multiplatform. He has delivered production apps across health, fitness, social, and fintech domains, excelling in architecture, persistence, and pragmatic delivery under deadlines. Borys is comfortable with client communication, mentoring, and solo or small-team ownership. His strengths include maintainable codebases and incremental migration strategies, though his testing and CI/CD expertise are less developed.
11 years of commercial experience in
Main technologies
Additional skills
Direct hire
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Let’s get started today!Experience Highlights
Android and KMP Developer
A crypto wallet to buy and sell cryptocurrency, as well as manage the portfolio, anytime and anywhere. All the necessary tools are gathered in a single app, useful for both beginners and experienced traders.
- Maintained a multi-platform app (developed once for both iOS and Android).
- Designed architecture.
- Chose the most relevant libraries.
- Migrated old features into KMP.
- Converted Figma design into App features.
Android and KMP Developer
An app for a shipment company. Users can create, search, and track their deliveries. Developed from scratch in a short time in KMP (one app for both iOS and Android)
- Developed a multi-platform app.
- Designed architecture.
- Chose the most relevant libraries.
Android Developer
Messenger with end-to-end encryption. A single tool to make small teams and complex organizations more productive and secure.
- Took part in creating the app from scratch.
- Designed architecture.
- Chose the most relevant libraries.
- Collaborated with designers to provide better UX.
- Implemented notification logic.
- Implemented messaging.
- Implemented video calls.
Android Developer
A fitness app. Users can join classes with coaches from all over the world and train at home.
- Implemented user position recognition (via Machine Learning Kit) to determine if the user makes the right moves during the class.
- Maintained the existing app.
- Added new features.
- Fixed bugs.
Android Developer
Messenger and social network app. Users can share their thoughts, connect with other people, exchange text, voice, or video messages, and call each other.
- Maintained the app.
- Added new features.
- Fixed issues.
- Improved performance.
Education
Information Security of Computer Systems
Bachelor'sLanguages
Ukrainian
AdvancedEnglish
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