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kaesar/README.md

👋 Hi, I'm César Andrés A.

Solutions Architect | AI-Assisted Development | AWS Cloud | Java + Node.js/TS + Python

I design and build scalable, high-performance software architectures with focus on AI-assisted development.

Availability Rate

🚀 Full Portfolio

View Portfolio →

Explore my complete ecosystem: OnMind Platform, custom databases, programming languages, and real-world architecture solutions.

🛠️ Core Technologies

  • Backend: Java • Node.js/Bun • TypeScript • Kotlin • Python • SQL • NoSQL
  • Cloud & Infrastructure: AWS (Solutions Architect Associate in progress)
  • Databases: XDB (lightweight embedded DB) • WDB (cloud version) • PostgreSQL • MySQL • DynamoDB
  • Others: ABCode (my own programming language) • Bun • Low-code platforms • AI-assisted workflows

🔥 Featured Projects

📚 Books & Content

📺 Technical Videos

Watch the playlist on YouTube

💼 Open to Opportunities

Remote Freelance & Consulting

  • Solution Architecture
  • Software Solutions Manager
  • AI-Assisted Development
  • AWS Cloud Architecture
  • Custom Low-code Solutions
  • Proof of Concept • Prototypes • MVP

Rate: Starting at $60 USD per hour (or fixed-price packages)
Location: Colombia (excellent overlap with US and European time zones)

Connect with me on LinkedIn

Built with passion in Colombia 🇨🇴 • Open source enthusiast & independent creator

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  1. abcode abcode Public

    A language for many and a specification as a bridge. Mitigating the Software Tower of Babel to a great degree.

    JavaScript 2

  2. onmind-xdb onmind-xdb Public

    A fast No-SQL in-memory Database with a simple way to make queries and isn't a toy at all

    Kotlin 1

  3. onmind-pub onmind-pub Public

    Pages, Universes & Blogs (PUB): An static site generator (SSG) using VitePress and customized with OnMind theme shared for several projects. Thinking in a CMS for super simples but powered sites.

    JavaScript 2

  4. onmind-cui onmind-cui Public

    Core/Cross/Common User Interface (CUI), Native Web Components for cross use in UI/Front with Content Pages (like Markdown) and Simple Web Apps. Based in a tiny selection.

    TypeScript 1

  5. onmind-hal onmind-hal Public

    Home Apps Labs (OnMind-HAL), your setup for HomeLab with containers in a machine like VPS (Virtual Private Server), Local VM or Cloud Instances (EC2)

    TypeScript

  6. onmind-pre onmind-pre Public

    Predefined Rutinme Environment (PRE). A way to prepare and make progressive development, such as scaffolding or local deploy, using YAML and linking Bash commands in a blueprint. A simple CI/CD too…

    TypeScript 1