Dmytro

Dmytro Barannik Email: [open contact info](look above in the "contact info" section)
Phone / TG: [open contact info](look above in the "contact info" section) / @KaKyHaC
GitHub: github.com/KaKyHaC
SENIOR ANDROID DEVELOPER Google Play: Developer Page

EXECUTIVE SUMMARY

Results-driven Senior Android Developer with over 8 years of experience building high-performance, native mobile
applications from scratch. Deep expertise in Kotlin, modern architecture design (MVVM, Clean Architecture), and
robust framework implementations (CameraX, Jetpack Compose). Proven track record of independently driving the
complete lifecycle of production-ready apps — from architecture design and multi-language localization to successful
deployment, monetization (AdMob, Google Play Billing), and regular ecosystem support on Google Play.

TECHNICAL SKILLS & COMPETENCIES

Languages: Kotlin, Java, Dart, C++, Python
Architecture: MVVM, MVP, Clean Architecture, SOLID Principles, GoF Design Patterns
UI & Graphics: Jetpack Compose, Material Design 3, Custom UI Animations & Layouts
Jetpack & Hardware: CameraX, Camera2, WorkManager, Coroutine Workers, Navigation Component
Reactive / Async: Kotlin Coroutines, Flow/StateFlow, RxJava 2 / RxKotlin
Monetization: Google Play Billing (In-App Purchases & Subscriptions), AdMob Integration, Firebase Remote
Config
Cloud & Backend: Firebase Ecosystem (Firestore, Realtime DB, Auth, Analytics, Crashlytics)
Data & Storage: Room DB, SharedPreferences, Proto DataStore, SQLite, MySQL
Networking: Retrofit 2, OkHttp, WebSockets, REST APIs, JSON Serialization
Testing & CI/CD: JUnit 5, Mockk, Mockito, Automated & Unit Testing, Git Flow

COMMERCIAL EXPERIENCE

Independent Mobile Developer / Product Management Nov 2025 – Present
• Focused entirely on creating, launching, and managing proprietary software solutions and solo products on
Google Play.
• Managed full-cycle releases, compiled dynamic promotional storefront assets, established Remote Config A/B
parameters, and consistently optimized app size and memory footprints.

Megogo Android Developer | Mar 2025 – Nov 2025
• Developed core modules and scalable features for a large-scale live TV and Video-on-Demand (VOD) platform.
• Successfully migrated legacy XML interfaces into modern declarative Jetpack Compose components, drastically
enhancing system execution and UI maintainability.
• Maintained absolute code quality using strict architecture separations, integrated robust deep-linking engines via
Install Referrers, and built complex channel subscription/parental gate filters.

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CHI Software Android Developer & Team Lead | Sep 2020 – Mar 2025
• Spearheaded development across multiple business domains including Healthcare portals, Automated Logistics,
and Smart Home infrastructure apps.
• Lead Role (Smart Home): Guided technical delivery on a highly dynamic automation ecosystem; performed
granular architectural code reviews, drafted detailed test cases, and successfully mentored junior software
engineers.
• Native Platform Engineering: Developed a specialized high-performance License Plate Recognition framework
using the Android NDK, integrating native C++ libraries via JNI for real-time camera bitstream OCR matrix
scanning.

Nitrix Studio Android / Flutter Developer | Aug 2018 – Aug 2020
• Built cross-platform and native systems focusing on offline background fetch logic, payment integrations, and
persistent storage synchronization.

SELECTED SOLO PROJECTS (GOOGLE PLAY PORTFOLIO)
Developed end-to-end, serving from hundreds to thousands of users worldwide.

People Notes (MyPeople) — Personal CRM
Technologies: Kotlin, Jetpack Compose, Firebase Firestore, Hilt, Coroutines, Flow, WorkManager, Google Play Billing, AdMob, Material 3
• Architected and deployed a production-ready personal contact management application from scratch.
• Integrated Google Play Billing for seamless premium subscription handling and incorporated AdMob for targeted
monetization.
• Implemented real-time database synchronization via Firestore and automated custom local reminders using
background WorkManager routines.

Tic-Tac-Toe 3 Player: X-O-D
Technologies: Kotlin, Jetpack Compose, Firebase Firestore, Google Play Games Services, Hilt, Coroutines, Flow, AdMob
• Developed a unique 3-player competitive engine with custom geometric game board win-checking algorithms and
responsive local AI.
• Built real-time session matchmaking and online multiplayer functionality powered by Firebase Firestore.
• Implemented highly responsive interactive custom animations, haptic feed loops, and integrated Google Play
Games leaderboards.

Epic Clicker: Brainrot Fury & Resistance Frameworks
Technologies: Kotlin, Jetpack Compose, Firebase Authentication, Remote Config, Analytics, Crashlytics, Python Automation
• Engineered progression-focused state logic handling exponential economic scaling, prestige data resets, and
complex background calculations.
• Built an automated Python localization pipeline driven by LLM APIs to translate local strings files across 15+ world
languages while strictly preserving layout tag validation.
• Designed multiple tactical UI systems featuring procedural soundscapes, dynamic layout changes, and multi-
profile session architectures.

EDUCATION & CREDENTIALS ACADEMIC & LECTURE ACTIVITY

PhD in Electronics & Telecommunications Lecturer at Department of Communication Systems
Kharkiv National University of Radioelectronics (NURE) | Feb Military Institute of Telecommunications and Information
2025 Technologies (VITI)
Research Focus: Steganographic & cryptocompression Aug 2025 – Present
bitstream analysis for real-time video transmission safety. Teaches specialized networking, infocommunication
M.Sc. in Computer Engineering & Management structures, and secure data routing concepts.

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Kharkiv National University of Radioelectronics (NURE) | Dec
2019 LANGUAGES
Graduated With Honors

B.Sc. in Computer Engineering Ukrainian: Native
Kharkiv National University of Radioelectronics (NURE) | Jun English: Upper-Intermediate (B2)
2018

Honors: Cabinet of Ministers of Ukraine Scholarship
for Young Scientists (November 2025).

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