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Jonathan U.
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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.

🇻🇪Barquisimeto, Venezuela$23/hr100% JSS5.00 (6)Since Mar 2022
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Earnings and projects

MRR
$802

Last 6 months ÷ 2.1 months active (since Sep 2026)

World#57,852 / 412k
🇻🇪Country#587 / 3,245
Revenue, last 30 days
$470

Last 6 months: $1.7k

World#58,706 / 412k
🇻🇪Country#639 / 3,245
Total earnings
$1.7k

Billed in all: $1.7k

World#346,158 / 412k
🇻🇪Country#2,869 / 3,245
Per project
$174

$172 in the last 6 months

World#274,202 / 412k
🇻🇪Country#2,096 / 3,245
Projects, last 6 months
10
100% fixed0% hourly
World#18,298 / 412k
🇻🇪Country#61 / 3,245
Projects in all
10
100% fixed0% hourly
World#201,797 / 412k
🇻🇪Country#1,187 / 3,245

Earnings, last 30 days

$1.7k+$470 earned in the last 30 daysBilled in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$1,250$1,500$1,750Oct 9Oct 24Nov 8

Skill rankings: Top 9% in Android Studio

Ranked by MRR among everyone on Upwork with the skill.

  1. #4Combat Game22 freelancers · 🇻🇪 #1Top 18%
  2. #19Steam60 freelancers · 🇻🇪 #1Top 32%
  3. #35Game Development Bug Fix269 freelancers · 🇻🇪 #1Top 13%
  4. #48Office Design460 freelancers · 🇻🇪 #1Top 10%
  5. #53PC Game296 freelancers · 🇻🇪 #1Top 18%
  6. #59Adobe Flash634 freelancers · 🇻🇪 #1Top 9%
  7. #70Adobe Inc.584 freelancers · 🇻🇪 #3Top 12%
  8. #71Android Studio805 freelancers · 🇻🇪 #1Top 9%