I build web applications, APIs, automation systems, bots, and game prototypes.
I am a Software Engineer focused on fullstack development, automation, applied AI, and digital games.
My work combines frontend interfaces, backend services, databases, external API integrations, bots, real-time systems, and practical software architecture. I also have experience with game development, prototyping, QA, and academic projects involving AI and algorithms.
Currently, I am improving my portfolio, organizing my public projects, and deepening my studies in Computer Science.
- M.Sc. in Computer Science - University of Sao Paulo (USP), in progress
- B.Sc. in Software Engineering - Federal University of Ceara (UFC)
- Previous studies in Computer Engineering - Fundacao Santo Andre (FSA)
| Area | Experience |
|---|---|
| Fullstack Web | React, Next.js, Vite, Tailwind CSS, dashboards, responsive interfaces |
| Backend | Node.js, NestJS, Express, FastAPI, REST APIs, authentication, service integration |
| Databases | PostgreSQL, MongoDB, Prisma, SQLAlchemy, Alembic |
| Automation | Trading bots, workflow automation, Python scripts, N8N, external APIs |
| Real-time Systems | WebSockets, event-based services, operational dashboards |
| Games | GameMaker, Unity, C#, gameplay prototypes, arcade games |
| Quality | TDD, Pytest, API documentation, QA mindset, Git workflows |
I have worked on trading automation projects involving broker integrations, operation dashboards, wallet flows, execution services, validators, backend APIs, and real-time operation logic.
Stack: React, Next.js, Node.js, NestJS, Prisma, PostgreSQL, WebSockets, external APIs.
I contributed to a mobile and middleware solution for RFID inventory workflows, combining Android development, local services, device communication, and backend integration.
Stack: Android, Java, Node.js, Express, WebSockets, middleware services.
I have built and studied backend systems involving API design, search algorithms, TDD, data modeling, and AI-related academic work.
Stack: Python, FastAPI, SQLAlchemy, Alembic, Pytest, MongoDB, PostgreSQL.
I also create and publish small games and prototypes.
| Game | Platform |
|---|---|
| laele Multiplayer teste | GX Games |
| RPGzao | GX Games |
| Pong - Laele bets | GX Games |
| Flappy Plane - Laele Bets | GX Games |
I use GitHub to organize study projects, backend APIs, frontend experiments, mobile apps, game prototypes, and portfolio work.
- Building a stronger professional portfolio
- Improving public GitHub repositories
- Studying Computer Science at master's level
- Developing fullstack systems with better architecture
- Working with automation, applied AI, and real-world integrations
- LinkedIn: linkedin.com/in/gustavo-barreto-souza
- GitHub: github.com/mulack
- Email: gus.barretogg@gmail.com