Михаил

MIKHAIL KALASHNIKOV
Middle Android Developer | Kotlin • Jetpack Compose

Kharkiv, Ukraine | Remote
[open contact info](look above in the "contact info" section) | [open contact info](look above in the "contact info" section)

SUMMARY
Middle Android Developer with 3+ years of commercial experience developing, maintaining, and optimizing
Android applications using Kotlin and modern Android technologies. Experienced in scalable mobile solutions,
WebView-based applications, backend-connected products, analytics systems, advertising integrations, push
notification infrastructure, and production-ready Android applications. Strong understanding of modern Android
architecture approaches including MVVM, Clean Architecture, modular project structure, and scalable application
design. Skilled in working with REST APIs, Coroutines, Flow, Firebase services, WebView integrations, and
adaptive UI development. Experienced in application performance optimization, crash fixing, UI/UX adaptation,
debugging, release preparation, and production support. Actively using AI-assisted development workflows with
Cursor AI, Claude AI, and Base44 for faster prototyping, feature delivery, debugging, and code optimization.

TECH STACK
Languages: Kotlin, Java, SQL, PHP

Android: Jetpack Compose, Android SDK, XML, Navigation Component, ViewModel, LiveData, WebView,
Firebase, OneSignal

Architecture: MVVM, Clean Architecture, Repository Pattern, OOP, modular project structure

Networking & Async: Retrofit, REST API, Coroutines, Flow, backend communication, JSON parsing

Tools & Platforms: Git, Android Studio, Gradle, Firebase Console, Git-based workflows

AI Development Tools: Cursor AI, Claude AI, Base44, AI-assisted development workflows

Additional: libGDX, Facebook SDK, Push Notifications, Analytics integrations, Advertising integrations, adaptive
UI/UX implementation, production support

COMMERCIAL EXPERIENCE
TRAFFBRAZA — Middle Android Developer (Jul 2025 – Jun 2026)

• Developed and maintained scalable Android applications using Kotlin and modern Android development
practices
• Built and supported WebView-based mobile applications integrated with backend systems, analytics platforms,
and advertising services
• Implemented REST API integrations, third-party SDKs, push notification systems, and event tracking
functionality
• Worked on improving application performance, startup speed, responsiveness, memory optimization, and
overall user experience
• Participated in feature implementation, release preparation, production support, debugging, and issue
investigation workflows
• Collaborated closely with QA engineers, backend developers, and designers during development and testing
cycles
• Worked with modern Android architecture approaches including MVVM, clean project structure, and
maintainable code practices
• Integrated analytics systems, tracking platforms, and advertising-related services into production applications
• Applied AI-assisted development workflows using Cursor AI, Claude AI, and Base44 to accelerate debugging,
prototyping, and feature delivery
• Focused on delivering stable, maintainable, and production-ready mobile applications in fast-paced
development environments

Vab Agency — Android Developer (Oct 2024 – May 2025)

• Developed Android applications using Kotlin, Android SDK, and modern Android development approaches
• Worked with REST APIs, backend communication, WebView integrations, and analytics services
• Implemented and maintained push notification systems and advertising-related SDK integrations
• Collaborated with designers to improve UI/UX adaptation and application usability across Android devices
• Participated in debugging, testing, issue fixing, and release preparation workflows
• Improved application responsiveness, stability, and adaptive UI behavior for different screen sizes and Android
versions
• Used AI-powered development tools including Cursor AI and Claude AI to optimize development workflows and
accelerate implementation
• Maintained scalable and clean project structure following modern Android development practices

Traffic Devils — Android Developer (2023 – 2024)

• Developed and tested Android applications focused on WebView-based mobile products and advertising-related
integrations
• Implemented Facebook response tracking systems and analytics integrations for mobile applications
• Supported and optimized push notification functionality using third-party notification platforms
• Worked on improving application stability, crash reduction, debugging, and production issue fixing
• Collaborated with design teams to improve adaptive UI behavior and WebView rendering quality
• Participated in feature integration, testing, release preparation, and production support workflows
• Integrated advertising and analytics services into Android applications and maintained their stable operation
• Worked with backend-connected functionality and API-based application behavior

CTRLab — Android Developer (2022 – 2023)

• Developed Android applications with backend-connected functionality and database integrations
• Integrated Facebook advertising services and configured interaction between mobile applications and
advertising platforms
• Implemented and maintained OneSignal push notification systems and event communication functionality
• Worked with REST API integrations, backend communication, and data processing functionality
• Participated in application testing, debugging, issue fixing, and production maintenance workflows
• Improved application stability, optimized existing functionality, and supported feature delivery processes
• Collaborated with internal teams to maintain stable and scalable Android applications for production
environments

PROJECT EXPERIENCE
Mobile Game Development (Kotlin / libGDX / Android)

• Developed interactive Android game mechanics using libGDX integrated into Fragment-based Android
architecture
• Implemented gameplay systems, adaptive UI logic, animations, rendering systems, and balance mechanics
• Worked with responsive layouts and custom rendering for multiple Android screen sizes and aspect ratios
• Built game-related UI systems and integrated mobile application logic with libGDX functionality

EDUCATION
Kharkiv National University of Radio Electronics

Bachelor’s Degree — Automation and Computer-Integrated Technologies
2015 – 2019

Master’s Degree — Automation and Computer-Integrated Technologies
2019 – 2021