Roman

ROMAN MAZITOV​
Kyiv, Ukraine | Open to remote/international roles​
Email: [відкрити контакти](див. вище в блоці «контактна інформація»)​
Mobile: [відкрити контакти](див. вище в блоці «контактна інформація»)​
Telegram: https://t.me/zhjvfy

PROFESSIONAL SUMMARY​
Senior Unity Developer with 10+ years of commercial game development experience and 5+
years working with large-scale Unity C# codebases. Specialized in gameplay systems
development, legacy code stabilization, performance optimization, and long-term production
maintenance. Strong background in architecture design, debugging complex systems, and
mobile game development (iOS, Android, Tizen).

CORE TECHNICAL SKILLS​
Unity (URP), C#, OOP​
Gameplay Systems Architecture (combat, AI, inventory, progression, economy, save/load)​
Debugging & Legacy Code Refactoring​
Performance Optimization (GC reduction, draw call optimization, batching, async loading)​
ScriptableObjects, ECS/DOTS, Addressables, Dependency Injection​
Architecture Patterns: MVC, MVVM, Event-Driven, Clean Architecture​
Mobile Optimization (CPU/GPU profiling, memory optimization)​
Unity Profiler, Frame Debugger, Memory Profiler​
Custom Editor Tools & Tooling Automation​
Shader Graph, HLSL (production shaders)​
Backend Integration (PlayFab, REST APIs)​
Git (version control)​
SQL, C, C++, JavaScript

PROFESSIONAL EXPERIENCE

Qubit Labs — Unity Developer​
2024–2025 | Mobile | Team size: 12

●​ Owned debugging and stabilization of a long-term (5+ years) Unity C# codebase.
●​ Identified and resolved complex legacy issues across gameplay systems and core logic.
●​ Performed deep code analysis and refactoring to improve maintainability and stability.
●​ Designed and implemented new gameplay mechanics within an existing production
architecture.
●​ Participated in architectural decisions and code reviews.
●​ Applied profiling tools to optimize memory usage, GC allocations, and rendering
performance for mobile devices.

Omen Games — Unity Developer​
2021–2024 | Android, Tizen

●​ Developed ~10 hyper-casual game prototypes using Unity.
●​ Implemented core gameplay loops, progression systems, UI, and monetization systems
 (ads, IAP).
●​ Built reusable gameplay modules and rapid prototyping architecture.
●​ Optimized performance for mobile platforms.

24Play — Unity Developer​
2019 | Mobile (iOS, Android)

●​ Developed single-player mobile games using Unity.
●​ Implemented gameplay systems, UI, save/load, and monetization features.

Uni-Bit Studio Inc. — Unity Developer​
2017–2018 | Mobile

●​ Developed mobile games (Unity, C#).
●​ Implemented gameplay mechanics and platform-specific integrations.

Freelance Unity Developer​
2015–2017

●​ Developed mobile game features and full gameplay systems for client projects.

Tellurion Mobile — Unity Developer​
2013–2015 | Kyiv

●​ Developed single-player mobile games (iOS, Android, BlackBerry) using Unity.
●​ Implemented gameplay systems, UI, save systems, and in-app monetization.

EARLY CAREER

Kiev Institute of Land Relations — Lead Engineer​
2000–2013

●​ Developed and maintained geodesic data processing software (C, C++).
●​ Built client software for cadastral database systems.
●​ Designed workflow automation utilities.

EDUCATION

Bashkir State University​
Specialist Degree in Informatics and Programming​
1993–1998

LANGUAGES

Russian — Native​
Ukrainian — Intermediate​
English — Pre-Intermediate