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Hi, I’m George-Mihai Ion, a Senior Unity Developer passionate about building scalable gameplay systems for mobile games. I specialize in translating design into robust, production-ready features in Unity using C#, collaborating with product, QA, backend, and tech art teams to deliver live releases on Android and iOS. Over the years I’ve led R&D for gameplay features, designed top-level architecture, and driven CI/CD releases across multiple platforms. I love researching new gameplay tech and turning ideas into reliable systems that scale with tens of millions of players.…Hi, I’m George-Mihai Ion, a Senior Unity Developer passionate about building scalable gameplay systems for mobile games. I specialize in translating design into robust, production-ready features in Unity using C#, collaborating with product, QA, backend, and tech art teams to deliver live releases on Android and iOS. Over the years I’ve led R&D for gameplay features, designed top-level architecture, and driven CI/CD releases across multiple platforms. I love researching new gameplay tech and turning ideas into reliable systems that scale with tens of millions of players.

George-Mihai Ion

Game Developer, Programmer, Developer, +2

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Hi, I’m George-Mihai Ion, a Senior Unity Developer passionate about building scalable gameplay systems for mobile games. I specialize in translating design into robust, production-ready features in Unity using C#, collaborating with product, QA, backend, and tech art teams to deliver live releases on Android and iOS. Over the years I’ve led R&D for gameplay features, designed top-level architecture, and driven CI/CD releases across multiple platforms. I love researching new gameplay tech and turning ideas into reliable systems that scale with tens of millions of players.…Hi, I’m George-Mihai Ion, a Senior Unity Developer passionate about building scalable gameplay systems for mobile games. I specialize in translating design into robust, production-ready features in Unity using C#, collaborating with product, QA, backend, and tech art teams to deliver live releases on Android and iOS. Over the years I’ve led R&D for gameplay features, designed top-level architecture, and driven CI/CD releases across multiple platforms. I love researching new gameplay tech and turning ideas into reliable systems that scale with tens of millions of players.

Available to hire

Hi, I’m George-Mihai Ion, a Senior Unity Developer passionate about building scalable gameplay systems for mobile games. I specialize in translating design into robust, production-ready features in Unity using C#, collaborating with product, QA, backend, and tech art teams to deliver live releases on Android and iOS. Over the years I’ve led R&D for gameplay features, designed top-level architecture, and driven CI/CD releases across multiple platforms. I love researching new gameplay tech and turning ideas into reliable systems that scale with tens of millions of players.

Skills

Experience Level

Unity 3D

Expert

Blender

Expert

Jira

Intermediate

Language

French

Beginner

English

Advanced

Work Experience

Senior Unity Developer at Moon Active

April 1, 2022 - September 1, 2025

Led development and R&D for multiple gameplay and product features within Coin Master, one of the top-grossing mobile games globally with tens of millions of players. Designed Top-Level Architecture and Technical Design Documents using UML and industry best practices, ensuring scalability, maintainability, and clear implementation plans across engineering teams. Implemented gameplay and system features in Unity (C#) while collaborating with Product Managers, QA engineers, and TechArt, ensuring smooth integration between gameplay logic, assets, and backend services. Owned and executed 2–3 production CI/CD releases per year across Android, iOS, and Amazon platforms, following strict release procedures, validating builds, monitoring live metrics, and rapidly investigating issues when anomalies appeared. Contributed to improving code quality and system reliability by applying SOLID principles, code reviews, and clean architecture patterns in a large-scale production codebase. Participate

Unity Developer & Consultant at SIRIUS TECH SOLUTIONS

December 1, 2018 - January 1, 2024

Automated BIM → VR visualization pipeline by building a custom Unity Editor toolchain to convert BIM models (Revit) into optimized VR scenes, triggering automated Blender processing to reduce geometry complexity and prepare assets for Oculus Go constraints. Also developed a scientific mobile app for dual-group behavioral studies with authentication and REST API integration, an AR furniture visualization app, a reusable Navigation SDK for driving simulation with Dijkstra pathfinding, a Procedural Room Builder with intelligent wall/fixture placement, and a UI rework for a mobile cricket game to improve usability and performance.

QA Tester at Electronic Arts (EA)

August 1, 2018 - October 1, 2018

Tested gameplay features and systems in active game development builds, identified and documented bugs across multiple scenarios, reported and tracked issues using internal bug-tracking tools, and contributed to build stability through regression testing.