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jhonsebastianas/README.md

Hello World 👋

👨🏻‍💻 Jhon Sebastian Agudelo Sierra
Software Architect • Senior Software Engineer • Tech Content Creator
🌎 Medellín, Colombia


👋 About me

I’m a Software Architect and Senior Software Engineer focused on designing, evolving and improving software systems so they are scalable, maintainable and aligned with real business needs.

Rather than following a single architectural style, I focus on choosing the right architecture for the problem, balancing:

  • system complexity
  • team maturity
  • scalability and performance
  • long-term maintainability

I’ve worked across backend, frontend, mobile, cloud and DevOps, which allows me to see systems as a whole instead of isolated components.

🎥 I also share knowledge on YouTube about:

  • Software development
  • How to study and work in tech
  • Programming courses and learning paths
  • Guidance for the professional growth of future developers

📬 Contact & Professional Profiles

📡 Reach me here


🚀 What I bring to the table

  • Design and improvement of software systems
  • Technical decision-making focused on long-term value
  • Ability to work across backend, frontend, mobile and cloud
  • Clear communication of technical concepts
  • Mentoring and guidance for growing developers

🧠 What I focus on

  • Software architecture & system design
  • Improving existing systems and legacy codebases
  • Backend & API design (Java Springboot | Node.js Nestjs)
  • Mobile development with Flutter
  • Cloud solutions on AWS
  • Mentoring and technical education

🛠️ Languages & Technologies

⭐ Frontend

⭐ Mobile

⭐ Backend

⭐ Databases

⭐ Cloud & DevOps

⭐ IoT


🧩 Technical Profile

const sebastian = {
  role: "Software Architect & Senior Software Engineer",
  focus: [
    "system design",
    "scalability",
    "maintainability",
    "technical decision-making"
  ],
  stack: {
    frontend: ["React", "Angular", "Next.js"],
    mobile: ["Flutter", "Dart"],
    backend: ["Java", "Spring", "Node.js", "NestJS"],
    cloud: ["AWS"],
    databases: ["MongoDB", "Oracle", "MySQL"],
  },
  contentCreator: true,
};

📊 GitHub Stats

Pinned Loading

  1. Coursera-full-Stack-module-1 Coursera-full-Stack-module-1 Public

    JavaScript

  2. negozia-crud negozia-crud Public

    Prueba técnica Negoziacf

    TypeScript

  3. Parking_Access_Control_Poli Parking_Access_Control_Poli Public

    This project is in charge of controlling access to a parking lot at the Universidad Politecnico Colombiano Jaime Isaza Cadavid

    TSQL

  4. EscuelaQuipux EscuelaQuipux Public

    Semillero quipux.

    Java

  5. Secops-frontend Secops-frontend Public

    JavaScript 1

  6. technology-grade-project-frontend technology-grade-project-frontend Public

    JavaScript 1