Jonathan U.
Senior Unity Developer | Gameplay Systems & Architecture (C#)
Senior Unity & C# Developer with 9+ years of experience building scalable, high-performance games from initial prototype to ship-ready release. Core strengths: • Gameplay & Systems Architecture: Clean, modular C# code designed for maintainability and long-term scalability. • Advanced Combat & AI Systems: Specialized in designing deeply responsive Action RPG mechanics, including C# State Pattern state machines, input buffering, hitstun, and complex enemy behaviors. • Modern Rendering Pipeline: Extensive work with Universal Render Pipeline (URP), Unity 6 Render Graph API, Render Features, and Material Variants to deliver high-quality visuals strictly within performance budgets. • UI & Asset Management: Building scalable, responsive user interfaces and managing memory footprints through efficient asset loading strategies. • Mobile Optimization & Profiling: In-depth experience optimizing memory, draw calls, and frame rates for smooth performance on iOS and Android devices. • Technical QA & Code Rescue: Deep debugging, project audits, and rescuing stalled games with clean, efficient solutions to ensure rock-solid stability. • Backend & Cloud Integration: Seamless integration of Unity clients with BaaS (PlayFab, Firebase, Epic Online Services) and cloud infrastructure (Azure) for player data, leaderboards, and robust online features. • Multi-Platform Publishing: End-to-end release pipeline management for Steam, Google Play, and Apple App Store (build setups, SDK integration, and store compliance). • Professional Workflow: Strong command of Git workflows, custom editor tools, and branch management to speed up production cycles and integrate smoothly with any team. Feel free to invite me to your job or send a direct message to discuss how we can bring your next project to life.
Earnings and projects
Last 6 months ÷ 2.1 months active (since Sep 2026)
Last 6 months: $1.7k
Billed in all: $1,741$1.7k
$172 in the last 6 months
Earnings, last 30 days
Skill rankings: Top 9% in Android Studio
Ranked by MRR among everyone on Upwork with the skill.
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- #19Steam60 freelancers · 🇻🇪 #1Top 32%🇻🇪#1 of 1
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- #53PC Game296 freelancers · 🇻🇪 #1Top 18%🇻🇪#1 of 1
- #59Adobe Flash634 freelancers · 🇻🇪 #1Top 9%🇻🇪#1 of 5
- #70Adobe Inc.584 freelancers · 🇻🇪 #3Top 12%🇻🇪#3 of 9
- #71Android Studio805 freelancers · 🇻🇪 #1Top 9%🇻🇪#1 of 2