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hacksJuanDavid/README.md

Hi, I'm Juan David — a Systems Engineer & Full‑Stack Developer 👋

Welcome GIF

Profile visitors Open to Collaborate Location


About me

  • 🎓 Systems Engineer from Universidad de San Buenaventura (Cali, Colombia).
  • 🔭 Currently building AI‑powered web apps and chatbots end‑to‑end.
  • 💡 I love exploring new technologies and turning ideas into production‑ready software.
  • 🌱 Deepening skills in AI/ML, LLMs, RAG, and clean code practices.
  • 🤝 Friendly, versatile, proactive, resilient, and a fast learner.
  • ✍️ Pronouns: TBD—still figuring out the best way to express them.
  • 🍁 Professional focus: Full‑Stack Developer · Software Engineer.

What I’m learning & using right now

  • Architectures: microservices, modular monolith, hexagonal, clean architecture, event‑driven systems.
  • Optimizatio & Performance: microservices, caching, load balancing, observability.
  • AI & ML: LLMs, RAG, retrieval augments, prompt engineering, automated workflows, vector search, pipelines, evaluation.
  • Data & DevOps: CI/CD with Jenkins & GitLab, PM2 for Node services, Conda environments, containerization, observability.

What I do

I design and ship web apps, APIs, data services, and integrations. From MVPs to scalable platforms, I care about developer experience, maintainability, and measurable impact.

  • APIs & Backends: REST/GraphQL, async workers, queues, observability.
  • Frontends: React/Next.js, design systems, accessibility, testing.
  • Data & AI: pipelines, vector search, retrieval‑augmented generation, evaluation.
  • DevOps: CI/CD, cloud infra, containers, IaC, environment automation.

Tech Stack

Coding GIF

☁️ Cloud & Platforms

Azure AWS Google Cloud Vercel Heroku Railway Render Supabase Google Linux

🔑 Security & Authentication

Auth0 JWT

🧠 Backend & AI

Bash Go C++ Python Rust Node.js Jupyter TypeScript .NET Adonis.js Express Django FastAPI Nest.js Prisma n8n Ollama OpenAI TensorFlow Keras NumPy PyTorch Plotly Streamlit JSON Java

🎨 Frontend

Bootstrap HTML5 CSS3 JavaScript TypeScript Blazor React Redux Zustand Next.js Tailwind CSS Three.js Babel Ionic Astro Vue.js Vite Angular

🗄️ Databases & Storage

MongoDB MySQL PostgreSQL Redis Firebase SQLite Supabase Milvus

✅ Testing & QA

Jest Selenium Cypress Mocha Pytest k6 JUnit 5 Postman SonarQube SonarQube SonarQube Cucumber ESLint

📦 Containers & Infra

Docker Kubernetes NGINX YAML

🧰 Tooling & DevOps

Bitbucket GitHub GitLab GitHub Actions Jenkins Conda/Anaconda Yarn Git Kafka

📱 Mobile

Android iOS Xcode Flutter

📝 Documentation

Markdown UML Mermaid Diagrams

🖥️ IDEs

Visual Studio VS Code Rider GoLand IntelliJ IDEA


Architecture & Practices

  1. Clean Code & SOLID
  2. Monoliths (when they are the pragmatic choice)
  3. Microservices with clear boundaries and contracts
  4. Modular monolith and package‑based structuring
  5. Hexagonal / Ports & Adapters
  6. Component‑driven and feature‑based organization
  7. Use‑case oriented services ("tell, don’t ask")
  8. Automated workflows (CI/CD, code quality, delivery)
  9. Cloud integrations (AWS, GCP, Azure, etc.)

Skill snapshot (self‑assessment)

  • Advanced: JavaScript/TypeScript, React & Next.js, Node.js/Express, Python, Git, CI/CD basics, Docker.
  • Intermediate: Go, Rust, C#, PostgreSQL, MongoDB, Redis, Kubernetes, Azure/AWS.
  • Growing: LLMs & RAG systems, MLOps/LLMOps, streaming with Kafka, async workers.

Looking for opportunities to collaborate on AI‑heavy products, data‑driven platforms, and developer tooling.


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