Bohdan

Bohdan Khymych
Unity Developer | C# | Mobile Games (iOS, Android) | 2D and 3D
Ukraine | [open contact info](look above in the "contact info" section) | [open contact info](look above in the "contact info" section) | [open contact info](look above in the "contact info" section)

Summary
Unity Developer with 4 years of full-time commercial experience building and shipping mobile games for iOS and
Android in Unity and C#. At Five Systems Development, co-developed ABC Reading & Writing for Kids from scratch and
owned it through release, mentored a trainee developer and reviewed his code, and extended live titles including
Mathy (50K+ installs on Google Play). Works across gameplay, UI, Zenject/MVC, Unity IAP, AdMob, Firebase Analytics,
profiling and store releases; also shipped a solo 3D endless runner on the App Store.

Skills
• Engine and language: Unity (2D, 3D), C#, OOP, native Android plugins
• Architecture: Zenject (dependency injection), MVC, SOLID, ScriptableObjects, UniTask (async/await)
• UI, animation and VFX: Unity UI (uGUI), UI Toolkit, DOTween, Animator, Timeline, Skinning Editor, Particle System
• Monetization and services: Unity IAP (in-app purchases), AdMob, Firebase Analytics, leaderboards
• Performance and content: Unity Profiler, mobile performance optimization, Addressables, localization
• Build and release: iOS and Android builds, Xcode, App Store Connect, Google Play Console
• Team and tools: Code review, mentoring, Git, Unity Version Control (Plastic SCM), Jira, Figma, AI coding assistants

Professional Experience
Unity Developer | Five Systems Development October 2022 – October 2026
Educational mobile games for children on iOS and Android; Unity team of 6, usually 2 developers per project.
• Co-developed ABC Reading & Writing for Kids from scratch with another developer; was responsible for the project
and released it on both stores.
• Mentored a trainee developer on ABC Reading & Writing for Kids and reviewed his code.
• Extended and maintained live titles: implemented new features, fixed bugs and supported releases and updates.
• Implemented gameplay mechanics, UI screens and animations (DOTween, Animator, Timeline); rigged and
animated 2D characters and skins in the Skinning Editor; built visual effects with the Particle System.
• Structured game code with Zenject dependency injection and MVC to keep features modular and maintainable
across projects.
• Integrated Unity IAP, AdMob and Firebase Analytics; implemented speech recognition through a native Android
plugin.
• Profiled and optimized performance on mobile devices using the Unity Profiler.
• Prepared iOS (Xcode) and Android builds and published releases and updates on the App Store and Google Play.
Key titles and my role:
• ABC Reading & Writing for Kids – co-developed from scratch, published; "Teacher Approved". Google Play | App
Store
• Mathy – Kids' Math Companion – features, bug fixes, skin animation; 50K+ installs. Google Play | App Store
• Cartesian Graph Coordinates – published; helped build features and animations. Google Play | App Store
• Fitness and Sport for Kids – maintained the live app. Google Play | App Store

Projects
Crypto Runner Go | Personal project, sole developer | 3D endless runner, iOS February 2022 – May 2024
• Started as a Unity learning project and grew it into a released App Store game as the sole developer, owning
gameplay, UI, the iOS build and release; shipped five post-launch updates. App Store
• Refactored the code with Zenject; added in-app purchases, ads, character unlocks through in-game currency and
global leaderboards. Later used the game for Bachelor's and Master's thesis work.

Education
Master's degree, Computer Engineering | Vinnytsia National Technical University 2024 – 2026
Bachelor's degree, Computer Engineering | Vinnytsia National Technical University 2020 – 2024

Languages
Ukrainian – Native | English – Intermediate (B1)