Sofiia

Sofiia Haidei
Game Developer
[open contact info](look above in the "contact info" section) | LinkedIn | Portfolio

Professional Summary
Unity Game Developer with 3 years of experience in mobile game development. Worked in an indie game development studio on 2D
mobile games using Unity, C#, Godot and GDScript. Experienced in gameplay features, UI implementation, game mechanics, level logic,
ScriptableObjects, Zenject, DOTween, Ads integration, Firebase, Google Play Console, Android builds, bug fixing, optimization, asset
integration and release preparation. Took part in the development and release of 2 full mobile games. Also have 1.5 years of project
management experience inside a game dev team, which helps with planning, priorities, communication and understanding the full
development cycle. Currently improving 3D Unity skills through personal pet projects.

Technical Skills
Unity / C# Unity 2D, Mobile Game Development, Gameplay
Programming, UI Implementation, Game Logic, Game
Mechanics, Level Logic, Coroutines, async/await
Architecture & Tools SOLID, ScriptableObjects, Zenject, DOTween, Git, GitHub,
GitLab, Notion, Figma
Mobile Services Ads Integration, Firebase, Google Play Console, In-App
Purchases basics, Release Preparation, Playable ads
Godot Godot 2D, GDScript, UI and Gameplay Logic

Work Experience
Unity / Godot Game Developer | Magnet House Studio | 2023 - 2026
Worked on 2D mobile games using Unity, C#, Godot and GDScript. Participated in full-cycle development from feature implementation to
testing, polishing and release.
• Implemented gameplay features, game logic, core mechanics and level logic.
• Developed and updated UI systems for mobile games.
• Worked with ScriptableObjects for game configuration and data structure.
• Used Zenject for dependency injection and cleaner project architecture.
• Created UI animations and transitions with DOTween.
• Worked with Ads integration, Firebase, Google Play Console and Android builds.
• Fixed bugs, improved game stability and supported release preparation.
• Collaborated with designers, QA and other developers using Git-based workflow.
• Took part in the development and release of 2 mobile games.
Additional Project Management Experience | Magnet House Studio | 2024 - 2025
Alongside development tasks, had project management responsibilities in a game development studio.
• Planned tasks, deadlines and project stages.
• Worked with backlog, priorities and task decomposition.
• Clarified requirements and prepared project documentation.
• Coordinated communication between developers, designers and QA.
• Tracked task progress and helped maintain development flow.
• Helped onboard and support new team members.

GameDev Teacher | GoIteens | Part-time | 2026 - Present
Alongside development tasks, had project management responsibilities in a game development studio.
• Teach a GameDev course for students aged 13-16, covering Unity, C#, game logic and practical game creation.
• Prepare beginner-friendly lessons and support students during live coding, practice, homework and project work.

Achievements & Projects
• Contributed to the development and release of 2 full mobile games.
• Built personal Unity pet projects to improve 3D development skills, including 3D scenes, environments, shaders and gameplay
systems.
• Participated in IT-Universe 2023 with android apps.

Education
Vinnytsia National Technical University | Bachelor’s degree in Software Engineering | 2021 - 2025

Languages
Ukrainian — Native | English — B2 | German — B1