Joao Costa
Prompt Engineer at Self-employed
São Paulo, Brazil
Summary
🤩
Rockstar🎓
Top SchoolJoao Costa is a seasoned prompt engineer and software developer with 13 years of experience building performant game systems, scalable web apps, and AI-driven tooling from São Paulo. He blends low-level C++ and Lua expertise with higher-level work in C#, TypeScript, Godot, and Firebase to deliver modular, networked architectures that prioritize responsiveness and maintainability. As a founder and senior engineer, he has shipped a PWA with serverless back-end integrations and led multiplayer server optimizations using Redis and TCP for real-time sync. Currently he teaches AI to generate clean, efficient Lua code, applying deep code-quality judgment to align model outputs with production standards. Comfortable across client, server, and tooling layers, he often leverages AI assistants (Copilot, ChatGPT) to accelerate development while keeping human-led architecture and performance goals front and center.
13 years of coding experience
6 years of employment as a software developer
Computer Games and Programming Skills, Computer Games and Programming Skills at University of the West of EnglandBachelor of Engineering - BE, Computer Engineering, Bachelor of Engineering - BE, Computer Engineering at Universidade Federal de São Carlos - UFSCar Oficial
English, Portuguese, Spanish
Github Skills (182)
ui-components10
ingame10
mobile-web10
game-development10
firebase10
framework710
godot10
javascript10
game-engine10
stencil10
ionic10
angular10
progressive-web-apps10
typescript10
progressive10
Programming languages (12)
Github contributions (5)
conde2/otclient-sdk
Jan 2017 - Jan 2017
Contributions:3 commits, 2 pushes, 1 branch in 1 day
sdkotclient
conde2/DC-UFSCar-ES2-201701-BoxTesters
Jun 2017 - Jul 2017
Contributions:13 PRs, 9 pushes, 17 branches in 1 month
engenhariaengenharia-de-software
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