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Joshua D.
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Joshua D.

UE5 & Unity Gameplay Programmer | Bug Fixing in Existing Projects

Hi! I'm Joshua, a gameplay programmer for Unreal Engine 5 and Unity. I build gameplay systems, UI and editor tools, and I'm great at jumping into an existing project, even one with no documentation, and fixing what's broken. What I can help with: • Gameplay systems: combat, targeting, movement and traversal, enemy AI • UI: HUDs, inventory and loot screens, tooltips and menus • Editor tools that speed up repetitive setup work • Finding and fixing bugs in existing Unreal or Unity projects • Mobile game mechanics in Unity, built quickly from scratch Recent work: • UE5 MMO game client (6 months, C++ and Blueprints, using the Atavism client plugin): built targeting, click-to-move, a loot system rework, tooltips and editor tools, and fixed bugs across nearly every part of the client • Mobile ad studio (Unity, Luna Playworks): built game mechanics from scratch for playable and video ads of games like Mob Control, usually in 3 to 5 days each • Team games (UE5 and Unity): lead or solo programmer on action combat, enemy AI, movement and traversal, and data-driven dialogue, and project manager for three of those teams I'm a skilled debugger, and I focus on building scalable systems with easy-to-maintain architecture. If a client allows it, I also use AI coding tools like Codex with Unreal MCP where they speed things up, and I check and debug what they produce. Gameplay videos of my projects are in the portfolio section below.

🇵🇭Hermosa, Philippines$15/hr100% JSS5.00 (2)Since Oct 2025

Earnings and projects

MRR
$578

Last 6 months ÷ 6

World#71,898 / 412k
🇵🇭Country#14,249 / 56.3k
Revenue, last 30 days
$498

Last 6 months: $3.5k

World#63,424 / 412k
🇵🇭Country#13,621 / 56.3k
Total earnings
$4.2k

Billed in all: $4.5k

World#270,578 / 412k
🇵🇭Country#41,732 / 56.3k
Per project
$1k

$1.2k in the last 6 months

World#121,084 / 412k
🇵🇭Country#22,269 / 56.3k
Projects, last 6 months
3
33% fixed67% hourly
World#66,479 / 412k
🇵🇭Country#5,298 / 56.3k
Projects in all
4
50% fixed50% hourly
World#283,741 / 412k
🇵🇭Country#28,379 / 56.3k

Earnings, last 30 days

$4.5k+$498 earned in the last 30 daysBilled in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$4,000$4,250$4,500$4,750Oct 8Oct 23Nov 7

Skill rankings: Top 14% in Game Design

Ranked by MRR among everyone on Upwork with the skill.

  1. #6Combat Game22 freelancers · 🇵🇭 #1Top 27%
  2. #61Level Design338 freelancers · 🇵🇭 #2Top 18%
  3. #103Game UI/UX Design563 freelancers · 🇵🇭 #6Top 18%
  4. #116Mobile Game Development568 freelancers · 🇵🇭 #1Top 20%
  5. #276Documentation1,320 freelancers · 🇵🇭 #87Top 21%
  6. #290Game Design2,110 freelancers · 🇵🇭 #10Top 14%
  7. #319Unreal Engine2,130 freelancers · 🇵🇭 #6Top 15%
  8. #330User Experience2,372 freelancers · 🇵🇭 #6Top 14%