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optitudes/README.md

👋 Hi, I'm Juan Sebastián Rojas García

💻 Backend & Fullstack Developer | ☁️ Linux SysAdmin | 🚀 Cloud Solutions Builder


🚀 About Me

I’m a passionate backend developer with 4+ years of experience building scalable and efficient applications using Laravel and Spring Boot. I have strong expertise in Linux system administration (LPIC-1 certified) and enjoy deploying enterprise solutions in cloud environments (AWS, OVH, VPS).

  • 🔭 Currently working as a Semi-Senior Developer at QSOFTING, leading backend/frontend tasks with Laravel + Nuxt3, managing AWS infrastructure, and mentoring junior devs.
  • 🌱 Expanding my knowledge by learning Go.
  • 📱 Built PCC Móvil with React Native and led the web platform turismoenlacordillera.com.
  • 🐧 Linux enthusiast: daily use of Debian, AlmaLinux, VPS, and Docker.

🛠️ Tech Stack

Languages & Frameworks

  • PHP (Laravel, CodeIgniter)
  • Java (Spring Boot, JavaFX)
  • Go, Python, C
  • JavaScript/TypeScript (Nuxt3, React, React Native, Flutter, Swift)

Cloud & DevOps

  • AWS (EC2, Amplify, Lambda)
  • OVHCloud, DonWeb, Hostinger
  • Docker, Podman, docker-compose, YAML
  • Linux server administration (Debian, AlmaLinux, Ubuntu)

Other Skills

  • API design & documentation (Postman)
  • Database management
  • Clean Code & Clean Architecture principles

📂 Featured Projects

  • 🧑‍🏫 Tutores en Línea – QSOFTING → Led backend/frontend development and AWS deployment.
  • 🐟 Piscícola Project – Redesystem → Migrated legacy system to API-first architecture in Laravel.
  • 🌍 Turismo en la Cordillera – Universidad del Quindío → Project leader, backend in Spring Boot, DevOps & Linux server management.
  • 📱 PCC Móvil → Mobile app built with React Native.

🎓 Education & Certifications

🎓 Systems & Computing Engineering Student – Universidad del Quindío

📜 Certifications

  • Oracle Java Programming (class design, memory management, bytecode, ClassLoader)
  • LPIC-1 Linux Administration
  • Networking & TCP/IP in Linux
  • Programming Network Applications in Java

🌐 Connect with Me


Always seeking new challenges to grow, create, and deliver impactful software solutions.

Pinned Loading

  1. arbolExpresion arbolExpresion Public

    Arbol que resuelve expresiones aritmeticas usando un arbol de expresion

    Java

  2. pccapi pccapi Public

  3. pccMovil pccMovil Public

    movile app that allow users to see, puntue and follow pcc projets also allow admins to upload multimedia data from pcc projects

  4. turismoenlacordillera turismoenlacordillera Public

    PHP

  5. analizador_lexico_go analizador_lexico_go Public

    Es un analizador de lexico escrito en go como proyecto final de la asignatura teoría de lenguajes formales

    Go

  6. ford-fulkerson ford-fulkerson Public

    Java