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David S.
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David S.

Unreal Engine 5 Systems Engineer

Greetings! Thank you for clicking on my profile. My name is David and I'm a software engineer with over 20 years of experience designing and implementing software systems for games and backend services. For the past three years I operated Overcado Studios as the technical director, being directly involved with the code and managing other developers. Unreal Engine Development (C++ & Blueprints) - Deep expertise in multiplayer game architecture, including dedicated servers, client-side prediction, and network replication. - Skilled in optimizing real-time performance, reducing network latency, and implementing seamless world loading. - Experience integrating custom game logic, AI systems, and procedural content generation. Full-Stack Game Development - Specializes in scalable, high-performance backend systems for online games. - Designs and deploys secure, modular APIs using Node.js, TypeScript, and Python. - Implements real-time WebSocket communication, player data storage, and matchmaking services. Cloud Infrastructure & DevOps - Builds and automates server deployment pipelines with Terraform, AWS (ECS, S3, Route 53, IAM), and Docker. - Expertise in CI/CD pipelines for UE5, automating builds, asset packaging, and cloud distribution. Strong focus on cost-efficient cloud hosting, ensuring smooth scaling without unnecessary overhead. Algorithmic Trading & AI Development - Builds high-performance algorithmic trading systems, integrating IBKR API, real-time market analysis, and custom AI-driven decision-making. - Develops backtesting frameworks and optimizes risk management strategies for quantitative trading. - Experienced in data-driven modeling, feature engineering, and predictive analytics. Thank you, - David Sullivan Overcado Studios Software Engineer / Founder

🇺🇸Rancho Cucamonga, United States$80/hr100% JSS3.79 (9)Since May 2017

Earnings and projects

MRR
$473

Last 6 months ÷ 6

World#80,365 / 412k
🇺🇸Country#11,908 / 62.1k
Revenue, last 30 days
$0

Last 6 months: $2.8k

Total earnings
$67k

Billed in all: $70k

World#58,851 / 412k
🇺🇸Country#11,161 / 62.1k
Per project
$4k

$1.4k in the last 6 months

World#43,534 / 412k
🇺🇸Country#7,254 / 62.1k
Projects, last 6 months
2
0% fixed100% hourly
World#88,918 / 412k
🇺🇸Country#11,762 / 62.1k
Projects in all
17

Across 21 contracts

19% fixed81% hourly
World#149,089 / 412k
🇺🇸Country#21,514 / 62.1k

Earnings, last 30 days

$70.5kNothing earned in the last 30 daysBilled in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$69k$70k$71k$72kOct 8Oct 23Nov 7

Skill rankings: Top 16% in Angular

Ranked by MRR among everyone on Upwork with the skill.

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  4. #718C++4,442 freelancers · 🇺🇸 #124Top 16%
  5. #1,068Angular6,816 freelancers · 🇺🇸 #80Top 16%
  6. #1,428C#8,348 freelancers · 🇺🇸 #202Top 17%
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  8. #3,290TypeScript15,967 freelancers · 🇺🇸 #310Top 21%