I am an Android Developer with 7+ years of experience in startups and large corporations. I specialize in building scalable and high-performance Android apps, optimizing user experience, and automating development workflows.

• 🔹 2+ years of team-leading experience (mentorship, code reviews, architectural decisions)
• 🔹 Proficient in Clean Architecture, MVI, Jetpack Compose, and CI/CD automation
• 🔹 Experience working in teams of up to 35 people, including cross-functional teams
• 🔹 Passionate about optimizing crash-free rates, improving UX, and integrating new technologies

• Languages & Frameworks: Kotlin, Java, Jetpack Compose, XML
• Concurrency: Coroutines, Flow, RxJava
• Dependency Injection: Dagger2, Hilt, Koin
• Networking: Retrofit, OkHttp, REST API, Ktor
• Data Management: Room, Realm, SQLite, SharedPreferences, DataStore
• Architecture: MVVM, MVI, MVP, Clean Architecture, SOLID
• Navigation: Navigation Component, Conductor
• Build & CI/CD: Gradle, GitLab CI, Fastlane
• Testing: JUnit, Espresso, Mockito
• Analytics & Monitoring: Firebase Analytics, Crashlytics
• Security: Encrypted DataStore, ProGuard, SSL Pinning

📍 Fintech | Kotlin, MVI, Dagger2, Realm, Retrofit, Fastlane

• ✅ Mission lead – responsible for mobile delivery, architectural decisions, and stakeholder demos
• ✅ Increased test coverage by 14.3%, reducing regressions and improving reliability
• ✅ Integrated Google Pay, collaborating with Visa representatives for secure payments
• ✅ Overhauled project architecture, improving scalability and performance

📍 E-commerce | Kotlin, MVVM, Dagger2, Navigation Component, Room

• ✅ Led an Android team, managing project estimations and customer communications
• ✅ Reduced build times by 37.2% by migrating to a modular architecture
• ✅ Cut release preparation time by 51.3% through automated CI/CD pipelines
• ✅ Improved app security by implementing AES-256 encryption, SSL pinning, and mTLS

📍 Entertainment | Kotlin, MVVM, GraphQL, Retrofit, ExoPlayer

• ✅ Grew international user base by 19.7% with dynamic localization and Android App Bundles
• ✅ Reduced app latency by 40% by optimizing data handling and storage processes
• ✅ Increased crash-free user rate from 94.2% to 98.1% through proactive bug fixes

📍 Messaging App | Java, MVP, RxJava, Firebase

• ✅ Reduced APK size by 24.8% by optimizing resources and images
• ✅ Implemented AES-256 encryption for secure local data storage
• ✅ Ensured backward compatibility for Android 4.x devices

📍 Odessa Polytechnic University

• Bachelor’s Degree (2014 - 2018) in Information & Computer Science
• Master’s Degree (2018 - 2020) in Information Security

✔ Public Speaking: Conducting internal tech talks on Android best practices
✔ Technical Writing: Published Medium article on Jetpack DataStore migration
✔ Mentorship: Coaching junior developers on clean architecture and best coding practices
✔ YouTube & Content Creation: Working on Android development tutorials