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Unity Developer
- Age:
- 26 years
- City of residence:
- Rivne
- Ready to work:
- Remote, Rivne
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Serhii Chekun
Unity Developer | Game Architect
chekun.sergiy@gmail.com [open contact info ](look above in the "contact info" section) Rivne, Ukraine
chekuns.dev github.com/Chekushka [open contact info ](look above in the "contact info" section)
Summary
3+ years of commercial experience shipping titles people actually play, with lead projects hitting 100,000+
downloads. I operate at the intersection of game design and clean architecture, ensuring 'game feel' and
player comfort are backed by rock-solid C# systems. From level prototyping to granular UX polish, I deliver
cohesive products rather than fragmented scripts. I treat .NET and backend integration as essential
infrastructure for scaling the player experience, not as a primary focus.
Skills
Game Development (Unity) Architecture & Core
Engine: Unity, URP, WebGL, New Input System, Principles: OOP, SOLID, Design Patterns (GoF), Clean
Profiling & Optimization, ECS, Job System, Burst Architecture
Product & UX: Level Design, Game Feel, Player UX Logic: C#, Async/Await (Tasks), LINQ.
Animation & VFX: Cinemachine, DOTween, Feel, DI/Patterns: Zenject/VContainer
Shader Graph.
Assets: Addressables, UniTask. Backend & Integrations
Server-side: .NET (ASP.NET Core), REST API
Workflow & Tools integration. AWS /Azure /GCloud.
VCS: Git/GitHub. Data: SQL, Entity Framework Core (basics), Docker.
Environments: JetBrains Rider, Visual Studio, Figma SDKs: AdMob, IronSource, Facebook SDK.
English
Upper-Intermediate
Professional Experience
05/2023 – 12/2025 Körsbär Spel (Indie Dev Team)
Ukraine Unity Developer
Key Projects:
Coin Bubbles | Casual Puzzle (100k+ Downloads)
Bespoke cylindrical coordinate system for rotation and collision detection.
•
Object pooling for hundreds of bubbles, ensuring 60 FPS on low-end devices.
•
Integrated AdMob/IronSource mediation and visual polish via DOTween/Feel.
•
Money Clash | Casual Strategy
Deterministic waypoint system and dynamic AI with state-based aggression.
•
GPU instancing to manage rendering for high unit counts.
•
Robust State Machine for real-time base capturing and "tug-of-war" mechanics.
•
Telegram Hub | Puzzle Collection (WebGL)
Extensible framework supporting 8+ game genres within one codebase.
•
Decoupled assets via Addressables to minimize RAM and build size for WebGL.
•
Integrated XP loops, daily bonuses, and a flexible localization system.
•
Engineered a Remote Config service to facilitate real-time game balancing and
•
seamless synchronization between backend logic and the Unity client.
Developed custom data persistence architectures, utilizing Google Apps
•
Script/Sheets for lightweight tracking and a scalable .NET Core REST API with
PostgreSQL for robust player state management.
Core Responsibilities:
Engineering Leadership: Directed the full-cycle development of mobile and web-
•
based titles, achieving a cumulative player base with individual projects reaching
100,000+ downloads.
Architecture & Scalability: Designed robust, maintainable C# frameworks and
•
integrated .NET-based backend services to handle real-time game balancing and
user data.
Performance Optimization: Proven expertise in ensuring high framerates (60
•
FPS) on low-end hardware through object pooling, GPU instancing, and memory
management via Addressables.
12/2023 – 05/2025 GoITeens
Ukraine Unity Mentor / Tutor
Taught C# programming and Unity game development fundamentals to
•
teenagers, breaking down complex technical concepts into accessible lessons.
Supervised the full development lifecycle of student projects, guiding them from
•
initial concept to finished, playable games.
Assisted students in implementing ambitious mechanics and solving technical
•
challenges, resulting in high-quality portfolio projects.
Conducted code reviews and taught best practices in coding and project
•
architecture.
06/2021 – 09/2022 Vasilevich Game Development Team
Ukraine Unity Developer
Developed and iterated on multiple commercial mobile prototypes, delivering
•
core gameplay mechanics, physics systems, and responsive UI.
Implemented modular C# scripting and gameplay logic following OOP principles
•
to ensure long-term code maintainability.
Researched and integrated third-party assets and SDKs to accelerate the
•
development cycle and maintain technical stability during early-stage
production.
2019 – 2021 University Projects / Research
Ukraine Thesis Project: Multiplayer Cross-Platform System
•
Developed a real-time multiplayer framework prioritizing network
synchronization and latency mitigation. Architected a scalable communication
layer to ensure stable cross-platform interaction across diverse environments.
Education
09/2021 – 01/2023 Master of Computer Science
Rivne National University of Water Management and Natural Resources
Advanced studies focused on software architecture, system analysis, and research
in modern development methodologies.
09/2017 – 07/2021 Bachelor of Computer Science
Lviv Lviv Polytechnic National University
Acquired a solid foundation in software engineering principles, focusing on
algorithms, data structures, and Object-Oriented Programming.
Unity Developer | Game Architect
chekun.sergiy@gmail.com [
chekuns.dev github.com/Chekushka [
Summary
3+ years of commercial experience shipping titles people actually play, with lead projects hitting 100,000+
downloads. I operate at the intersection of game design and clean architecture, ensuring 'game feel' and
player comfort are backed by rock-solid C# systems. From level prototyping to granular UX polish, I deliver
cohesive products rather than fragmented scripts. I treat .NET and backend integration as essential
infrastructure for scaling the player experience, not as a primary focus.
Skills
Game Development (Unity) Architecture & Core
Engine: Unity, URP, WebGL, New Input System, Principles: OOP, SOLID, Design Patterns (GoF), Clean
Profiling & Optimization, ECS, Job System, Burst Architecture
Product & UX: Level Design, Game Feel, Player UX Logic: C#, Async/Await (Tasks), LINQ.
Animation & VFX: Cinemachine, DOTween, Feel, DI/Patterns: Zenject/VContainer
Shader Graph.
Assets: Addressables, UniTask. Backend & Integrations
Server-side: .NET (ASP.NET Core), REST API
Workflow & Tools integration. AWS /Azure /GCloud.
VCS: Git/GitHub. Data: SQL, Entity Framework Core (basics), Docker.
Environments: JetBrains Rider, Visual Studio, Figma SDKs: AdMob, IronSource, Facebook SDK.
English
Upper-Intermediate
Professional Experience
05/2023 – 12/2025 Körsbär Spel (Indie Dev Team)
Ukraine Unity Developer
Key Projects:
Coin Bubbles | Casual Puzzle (100k+ Downloads)
Bespoke cylindrical coordinate system for rotation and collision detection.
•
Object pooling for hundreds of bubbles, ensuring 60 FPS on low-end devices.
•
Integrated AdMob/IronSource mediation and visual polish via DOTween/Feel.
•
Money Clash | Casual Strategy
Deterministic waypoint system and dynamic AI with state-based aggression.
•
GPU instancing to manage rendering for high unit counts.
•
Robust State Machine for real-time base capturing and "tug-of-war" mechanics.
•
Telegram Hub | Puzzle Collection (WebGL)
Extensible framework supporting 8+ game genres within one codebase.
•
Decoupled assets via Addressables to minimize RAM and build size for WebGL.
•
Integrated XP loops, daily bonuses, and a flexible localization system.
•
Engineered a Remote Config service to facilitate real-time game balancing and
•
seamless synchronization between backend logic and the Unity client.
Developed custom data persistence architectures, utilizing Google Apps
•
Script/Sheets for lightweight tracking and a scalable .NET Core REST API with
PostgreSQL for robust player state management.
Core Responsibilities:
Engineering Leadership: Directed the full-cycle development of mobile and web-
•
based titles, achieving a cumulative player base with individual projects reaching
100,000+ downloads.
Architecture & Scalability: Designed robust, maintainable C# frameworks and
•
integrated .NET-based backend services to handle real-time game balancing and
user data.
Performance Optimization: Proven expertise in ensuring high framerates (60
•
FPS) on low-end hardware through object pooling, GPU instancing, and memory
management via Addressables.
12/2023 – 05/2025 GoITeens
Ukraine Unity Mentor / Tutor
Taught C# programming and Unity game development fundamentals to
•
teenagers, breaking down complex technical concepts into accessible lessons.
Supervised the full development lifecycle of student projects, guiding them from
•
initial concept to finished, playable games.
Assisted students in implementing ambitious mechanics and solving technical
•
challenges, resulting in high-quality portfolio projects.
Conducted code reviews and taught best practices in coding and project
•
architecture.
06/2021 – 09/2022 Vasilevich Game Development Team
Ukraine Unity Developer
Developed and iterated on multiple commercial mobile prototypes, delivering
•
core gameplay mechanics, physics systems, and responsive UI.
Implemented modular C# scripting and gameplay logic following OOP principles
•
to ensure long-term code maintainability.
Researched and integrated third-party assets and SDKs to accelerate the
•
development cycle and maintain technical stability during early-stage
production.
2019 – 2021 University Projects / Research
Ukraine Thesis Project: Multiplayer Cross-Platform System
•
Developed a real-time multiplayer framework prioritizing network
synchronization and latency mitigation. Architected a scalable communication
layer to ensure stable cross-platform interaction across diverse environments.
Education
09/2021 – 01/2023 Master of Computer Science
Rivne National University of Water Management and Natural Resources
Advanced studies focused on software architecture, system analysis, and research
in modern development methodologies.
09/2017 – 07/2021 Bachelor of Computer Science
Lviv Lviv Polytechnic National University
Acquired a solid foundation in software engineering principles, focusing on
algorithms, data structures, and Object-Oriented Programming.
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The candidate's resume is posted at https://www.work.ua/resumes/9078007/