Justin H.

I help clients build polished, scalable Unity games and interactive applications — from rapid prototypes to live multiplayer products serving real users. With 7+ years of professional Unity and C# development experience, I specialize in multiplayer systems, gameplay architecture, backend integration, and performance optimization. I've developed everything from competitive PvP games and persistent online worlds to custom backend services, mobile applications, AR experiences, and OCR-powered solutions. My focus is building software that is reliable, maintainable, and ready for production. What I can help with: 🎮 Unity Game Development • Gameplay systems and mechanics • 2D and 3D game development • Mobile, PC, and WebGL deployment • Rapid prototyping and MVP development • Game architecture and codebase scaling 🌐 Multiplayer & Networking • Photon Fusion, PUN2, FishNet, Mirror • Custom socket networking solutions • Matchmaking and lobby systems • PvP, co-op, MMO-style, and social systems • Trading, chat, inventory, and progression systems • Client-server architecture and synchronization ⚙️ Backend & API Development • Custom multiplayer backend services • REST API integration • Authentication and account systems • Cloud databases and data persistence • Player profiles, leaderboards, and analytics • Server-side game logic 📱 Mobile & Live Operations • Android and iOS deployment • Performance optimization and profiling • In-App Purchases (IAP) • Ad SDK integration • Live updates and post-launch support 🚀 Advanced Unity Solutions • AR development • OCR integration and computer vision workflows • Custom editor tools and automation • Debugging and optimization • Asset integration and pipeline improvements • Cross-platform development Technical Stack: Unity • C# • FishNet • Mirror • Photon Fusion • PUN2 • REST APIs • Firebase • Git • WebGL • Mobile Development • Multiplayer Architecture • Backend Services • AR • OCR What clients can expect: ✅ Clean, maintainable, scalable code ✅ Fast communication and regular progress updates ✅ Strong problem-solving and technical ownership ✅ Reliable milestone delivery ✅ Production-focused development decisions Whether you need a multiplayer feature implemented, a backend system designed, an existing project optimized, or a complete game built from the ground up, I can help take your project from concept to launch.