Welcome to my corner of GitHub! I'm a Mid-Junior Full Stack Developer from the beautiful province of Cartago, Costa Rica. With 2+ years of experience specializing in .NET ecosystems and modern web technologies, I'm passionate about building scalable enterprise solutions and bringing innovative ideas to life through code.

• 🔭 Currently working on: Enterprise-grade WhatsApp Business integrations, high-performance APIs, and AI-powered automation systems using .NET 8 and modern web technologies
• 🌱 Always learning: Mastering advanced Blazor patterns, React optimization, and exploring AI integration for business process automation
• 👯 Open to collaborate on: Scalable web applications, API development, system modernization projects, and innovative automation solutions
• 💼 Professional focus: Full Stack development with expertise in microservices architecture, event-driven systems, and enterprise integrations

• .NET 8, C#, Node.js, Express
• RESTful APIs, Microservices Architecture, Event-Driven Design
• SQL Server 2022, Oracle, JSON support in SQL Server

• Blazor (Server-side), React, React Native
• Tailwind CSS, HTML5, CSS3, JavaScript
• Responsive Design, Component Libraries

• Azure DevOps, GitHub Actions, Git
• Postman, Swagger, Performance Testing
• Multi-threading, Caching Strategies

• WhatsApp Business API Integration
• Web Automation (Selenium, Anti-bot systems)
• AI Integration (Customer intent recognition)
• System Modernization (Legacy to modern web)

• 🏗️ Architected WhatsApp platform handling 20,000+ daily automated interactions
• ⚡ Optimized API performance processing 1,000+ queries/minute
• 🔄 Modernized legacy desktop applications to scalable web solutions
• 🤖 Integrated AI reducing customer service wait times by 40%
• 🛡️ Built compliance-ready automation systems for financial and legal sectors

• Advanced Technical Degree in Full Stack Web Development - Universidad Creativa (2024)
• Computer Engineering (60% completed) - Tecnológico De Costa Rica
• ISO 27001: Information Security - Gestionadora Internacional (2024)

I'm passionate about creating efficient, scalable solutions that solve real business problems. Whether it's reducing manual processes through intelligent automation or building robust APIs that handle thousands of requests, I believe in code that makes a measurable impact.

• Enterprise integrations and WhatsApp Business solutions
• System architecture and microservices design
• Performance optimization and scalability challenges
• AI integration in business processes
• Modern web development best practices

• Email: [email protected]
• Location: Cartago, San Nicolás, Costa Rica 🇨🇷
• LinkedIn: Kenneth Castillo Herrera

• 🎯 Algorithm enthusiast - I treat coding challenges like mental gymnastics
• 🔧 Problem solver - I love turning complex business requirements into elegant technical solutions
• 🌐 Polyglot programmer - Fluent in multiple programming languages and frameworks
• 📈 Performance optimizer - Always looking for ways to make systems faster and more efficient

"Building tomorrow's solutions with today's technology"

Thanks for visiting my profile! Whether you have an exciting project idea, want to discuss tech trends, or just chat about code, I'm always open to connecting with fellow developers and innovators. Let's build something amazing together! 🚀