🧠 My Projects

Here are some of the projects I’ve developed, organized by area:

💻 Infrastructure & DevOps

🔐 Backup Service (Windows Server, SSH)

I designed and implemented a robust backup solution for clients using third-party software with SSH authentication for secure access. The solution included firewall configuration and attack prevention mechanisms, ensuring data safety and system integrity.

Tags: Backup, Security, SSH, Windows Server, Firewall, Authentication, Infrastructure
📍 Used internally at Informatica F1
🔗 View company

⚙️ Backup Automation (Java, PowerShell)

Efficient automation using Java and PowerShell scripts to streamline client onboarding and system configuration. The solution reduced setup time and minimized manual errors.

Tags: Automation, Java, PowerShell, Optimization, Scripting
📍 Used internally at Informatica F1
🔗 View company 🔗 Git repository with some scripts

📊 Monitoring with Zabbix + Grafana + MySQL

Implemented a monitoring system for over 100 devices (servers and workstations). Used Zabbix for data collection, MySQL for storage, and Grafana for visual dashboards and alerts.

Tags: Monitoring, Zabbix, Grafana, MySQL, Linux, Dashboards, Alerts
🔗 View post

🧑‍💻 Backend Development

🛠️ Arteiros Caraguá — Open Source Platform (NestJS, TypeScript, PostgreSQL)

I worked as a backend developer on the Arteiros Caraguá project, a collaboratively developed open source platform focused on social impact, created to promote and give visibility to local artisans from the city of Caraguatatuba.

I was responsible for implementing core API features, including role-based access control (Guards), part of the user CRUD, moderator creation, artisan onboarding requests, likes, product reviews, follow artisan functionality, password reset, and administrative user listing.

Technologies: Node.js, NestJS, TypeScript, PostgreSQL
Tags: Open Source, Backend, RESTful API, Authorization, Social Impact

🔗 Paper
🔗 Frontend Repository
🔗 Backend Repository
🔗 DevOps Repository

🌐 RESTful API (Node.js, NestJS, Prisma, PostgreSQL)

Developed a complete RESTful API for client data management with JWT authentication, PostgreSQL database, and Prisma ORM integration. Focused on security, scalability, and data organization.

Tags: RESTful API, Node.js, NestJS, Prisma, PostgreSQL, JWT, Backend
🔗 View post 🔗 View Repository

🤖 Automation & Bots

• WhatsApp Support Bot + N8N
  N8N flows that handle customer messages, extract data, fill spreadsheets, or trigger emails automatically.

🎰 Java Projects

• LotoMania Results Analyzer
  Java app with a GUI and SQLite to calculate, store, and compare lottery bets from past contests.

See more on my GitHub: github.com/raulsantos