Gustavo
{Full Stack Developer}
{01}
About Me
Yo, what's up? My name is Gustavo Guimarães Lins de Araújo, 20y/o, from Barueri, São Paulo, Brazil. I'm a full-stack developer and currently studying Software Engineering (4° semester) at São Judas Tadeu University. In my free time I like to create useful products and learn new techs.
Tech Stack
Backend
Frontend
DevOps/Others
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Experience
May 2022 - Dez 2023
IT Apprentice
CAFS Tecnologia — Barueri, SP, Brazil
Monitoring of IT systems and infrastructure, ensuring service continuity.
Participation in training on information security and IT best practices.
Programming with Java and Spring Boot (REST API).
Data management in Excel spreadsheets.
Jun 2024 - Jun 2025
Java Backend Developer Intern
Invillia — São Paulo, SP, Brazil
Maintenance and refactoring of APIs with Java 17 and Spring Boot.
Application of Hexagonal Architecture and Clean Code principles.
Participation in code reviews and agile calls (daily, planning, retro).
Support in identifying and correcting bugs reported by the team.
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Projects
Chama Aí - On-demand services platform
Description
Technologies
The Chama Aí is an innovative on-demand service platform that I developed to simplify how customers find and connect with reliable service providers. Designed for scalability and high performance, it allows for registration, service scheduling, online payments, and real-time communication, all within the Chama Aí app.
- Java
- Spring Boot
- Kafka
- PostgreSQL
- Next.js
- Zustand
