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SantiagoGutierrez11/README.md

Hi, I'm Santiago Gutierrez 👋

Systems Engineering student at Universidad del Cauca 🇨🇴, focused on backend development, software architecture, and systems programming. Building toward a specialization in AI/ML and cybersecurity. Open to remote internships.

🏥 Featured Project

piedrazul — Full-Stack Medical Appointment System

Full-stack medical system built as a microservices architecture. Includes a React frontend, 6 Spring Boot services, and full containerization with Docker.

Layer Stack
Frontend React + Vite, Nginx
API Gateway Spring Boot + Keycloak JWT + Saga pattern
Services Appointment · Medical Staff · Patient · Identity · Configuration
Messaging RabbitMQ (event-driven)
Cache Redis
Database PostgreSQL (per-service schemas)
Auth Keycloak
Infra Docker + docker-compose
Patterns Builder, Template Method, Factory, Strategy, Chain of Responsibility, Facade

🏗️ Architecture & Design Patterns

Repository Description
architecture-and-design-patterns GoF patterns (Builder, State, Decorator, Adapter, Template Method, Facade), Microkernel and Pipeline — Java + JUnit 5 + PostgreSQL

☁️ Backend & APIs

Repository Description
backend-and-APIs Spring Boot REST APIs: JPA + Hibernate Envers audit trail, event-driven microservices with RabbitMQ

⚙️ Systems Programming in C

Repository Description
unix-systems-programming-c Mini shell, CPU scheduling (FIFO/SJF/RR), memory page replacement (FIFO/LRU), TCP sockets and POSIX IPC
git-lite Lightweight version control system in C with POSIX APIs, SHA-256 hashing and Doxygen docs

📚 Language Practice

Repository Language Description
programming-languages-lab C · Java · Python · Prolog · LISP Multi-paradigm exercises: data structures, OOP, logic and functional programming

🛠️ Other Projects

Repository Language Description
CAFEPAY C# Payment management system for coffee harvesters (Caficauca Cooperative) — Hexagonal Architecture, Oracle DB, WinForms, MSTest
Comfort-termico C++ / Arduino IoT system with ISO 7730 PMV thermal comfort algorithm and RFID authentication

🧰 Tech Stack

Python C Java Linux Docker Git

📊 GitHub Stats

📬 santiago.g.astaizaa@gmail.com · GitHub

Popular repositories Loading

  1. CAFEPAY CAFEPAY Public

    Payment management system for coffee harvesters - Caficauca Cooperative

    C# 1

  2. git-lite git-lite Public

    Lightweight version control system built in C using POSIX APIs and SHA-256 hashing

    C 1

  3. piedrazul piedrazul Public

    Forked from valentinaanasco-hub/piedrazul

    Piedrazul medical system built with Microkernel and Pipeline architecture patterns

    Java 1

  4. Comfort-termico Comfort-termico Public

    Forked from Ana-MariaCM/Comfort-termico

    Arduino embedded system implementing the ISO 7730 PMV thermal comfort algorithm. Features RFID authentication, DHT11/NTC sensors, relay climate control and a 7-state finite state machine with async…

    C++ 1

  5. unix-systems-programming-c unix-systems-programming-c Public

    POSIX systems programming in C — mini shell, CPU scheduling, memory page replacement, TCP sockets, IPC and process management using fork, exec, pipe, mmap and signals.

    C 1

  6. architecture-and-design-patterns architecture-and-design-patterns Public

    GoF behavioral patterns, Microkernel, Pipeline and Layered Architecture implementations in Java

    Java 1