Guilherme Peres
São Paulo, BrazilFULLSTACK
DEVELOPER
Experience with
- React
- Node.js
- Java
- AWS
- Python
- Docker
Projects

RPGForge AI
An AI-powered RPG character sheet platform that turns a free-text description into a complete sheet, ready to play. All content comes from the system's official rules, and a custom rules engine checks every calculation.
An AI-powered RPG character sheet platform that turns a free-text description into a complete sheet, ready to play.
- TypeScript
- Next.js
- NestJS
- RAG
- pgvector
- Structured Outputs

Manga Stars
A social network for rating manga, with star ratings and comments from the community. Search by title or author, genre filters and a feed of recent reviews help every reader find the next story to read.
A social network for rating manga, with star ratings, comments and search by title, author or genre.
- TypeScript
- React
- Next.js
- Prisma
- PostgreSQL
I'm a Fullstack Developer focused on automation and performance
I work from back end to front end, including databases and cloud infrastructure. My focus is AI applied to real products, always on a solid foundation of architecture, DDD and design systems, which I have been applying from my studies to my professional work.
I work from back end to front end, including databases and cloud. My focus is AI applied to real products.
Experience
Full Stack Developer - Anka Tech
Anka Tech · Sep 2025 - Present
I'm part of the team that builds platforms for BTG Pactual accredited firms. Among many deliveries, I created AI agents that automate the advisors' daily work and the engine that calculates each advisor's monthly commission with configurable rules.
- React
- TypeScript
- Python
- Java
- Spring Boot
- PostgreSQL
- AWS
Junior Full Stack Web Developer - Audax Electronics
Audax Electronics · Oct 2024 - Sep 2025
I built the ERP that connects the company's production, purchasing, logistics and controllership. I also created the pipeline that syncs TOTVS Protheus automatically, saving the IT team 4 hours a day, and cut report generation from 30 minutes to seconds.
- React
- Node.js
- TypeScript
- Java
- MongoDB
Support Intern - SOC
SOC · Oct 2023 - Jun 2024
I provided technical support over chat and phone to users of SOC, an occupational health and safety software. I also organized ticket logging and escalation, which made every request easier to track.
Full Stack Program - Rocketseat
Rocketseat · Oct 2025
Computer Science - Unisantos
Unisantos · Jan 2021 - Jun 2025