jdavidc - Overview

👋 Hi, I’m José David Colmán

🚀 Senior Java Developer | Backend Specialist | API & Cloud Enthusiast

I design and build scalable microservices and distributed systems with a focus on clean architecture, high performance, and reliability.
Currently exploring API middleware solutions, push notification services, and distributed transaction management.


🛠️ Technical Expertise

Backend Development

Java Spring Boot REST APIs Microservices

Databases

MySQL PostgreSQL MongoDB Redis

Cloud & DevOps

AWS Docker Kubernetes Jenkins CI/CD Apigee


🚀 Featured Projects

  • 📡 Crypto API Middleware
    A robust, production-ready backend service built with Spring Boot that provides a unified API for cryptocurrency data. This middleware service acts as a proxy between clients and external cryptocurrency APIs, offering enhanced reliability, caching, and additional features.

  • 📊 Crypto Price Dashboard
    Real-time cryptocurrency tracker using WebSockets and REST APIs (Java + React).

  • 📱 Push Notification Service
    Unified SMS & push notification service integrating Firebase, Infobip & custom SMPP providers.


📈 GitHub Stats

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📬 Let's Connect

I'm always open to discussing new opportunities, interesting projects, or potential collaborations. Feel free to reach out!

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"First, solve the problem. Then, write the code." - John Johnson

💡 Always open to collaborating on open-source projects and backend challenges!

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