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Achievement: Pair Extraordinairex2Achievement: Pull Sharkx2Achievement: YOLO

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full-stack-dev-johncastrosanabria/README.md

Hi, I'm John Castro 👋

Software Engineer — Full-stack & backend, with 3+ years building fintech and enterprise solutions.

🛠️ Core stack: C# · .NET / ASP.NET Core · React · TypeScript · SQL Server · Azure DevOps 🔍 Also working with: Java / Spring Boot · Python · Clean Architecture · REST APIs · Microsoft Cloud

🌐 Portfolio: full-stack-dev-johncastrosanabria.github.io/Portfolio 📍 San José, Costa Rica

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  1. PropFlow PropFlow Public

    A modern, full-stack property management application built with .NET 10 and React 19.

    TypeScript 3

  2. PersonasSolution PersonasSolution Public

    RESTful API for managing people and addresses using VB.NET, ASP.NET Core, Entity Framework Core, and SQL Server with clean architecture

    Visual Basic .NET 3

  3. InterviewCleanApi InterviewCleanApi Public

    REST API designed to demonstrate technical interview criteria: layer separation, validation, documentation and maintainable structure. Clean architecture with clear layer boundaries REST endpoints …

    TypeScript 3

  4. BusinessAI-Analytics BusinessAI-Analytics Public

    BusinessAI-Analytics is a local BI platform to manage data, visualize dashboards, forecast performance with AI, and query insights via chatbot using databases and documents. It uses Spring Boot mic…

    Java 3

  5. NeoNova NeoNova Public

    NeoNova is a progressive AI assistant platform that combines conversational chat, persistent memory management, user feedback collection, and intelligent agent orchestration. Built with modern tech…

    Python 3

  6. FlaskApiProduct FlaskApiProduct Public

    API REST profesional desarrollada con Flask, SQLite, análisis de datos avanzado, dashboard interactivo y chatbot de IA con base de conocimientos.

    Python 3