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Olá, meu nome é Gustavo Baister! 👋

ilustração de um computador

🌐 English

🇺🇸 About me

Backend Developer focused on Java and Spring Boot, building REST APIs with layered architecture, the DTO pattern, JWT authentication, and cloud deployment.

I work as an IT Support Analyst at Diproseg Penha (São Paulo, Brazil), where I get hands-on experience with relational databases and AWS, and I'm currently studying Backend Java Development at SENAI (in-person, evening classes). I hold a B.Sc. in Systems Analysis and Development from Universidade Anhembi Morumbi.

I enjoy building complete projects — from database modeling to production deployment, with Docker and AWS.

  • 🔭 Currently building: REST APIs with Spring Boot, Spring Security, and PostgreSQL
  • 🌱 Currently deepening: automated testing (JUnit/Mockito)
  • 👯 Open to Backend Java Developer opportunities
  • 💬 Ask me about: Spring Boot, JPA/Hibernate, JWT, Docker, and AWS

🚀 Featured projects

Project Description
🎬 Cinema API Complete cinema reservation REST API (movies, rooms, showtimes, seats), built with Spring Boot 4, JWT, PostgreSQL, S3 poster upload, and AWS deployment via Docker
📍 CEP Lookup Java app that consumes the public ViaCEP API using native HttpClient and Gson
To-Do List API Task management REST API with Spring Boot, Spring Data JPA, H2, and Swagger docs

🧰 Tech Stack

Backend

Backend

Bancos de dados / Databases

Databases + SQL Server

Cloud & DevOps

Cloud

Ferramentas / Tools

Tools + NetBeans

Outras linguagens / Other languages

Languages


📊 GitHub Stats

GitHub Stats Top Languages

GitHub Streak


📫 Contato / Contact

Gmail LinkedIn

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