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jsanchez556/README.md

Hi👋, I'm Jose Mario Sanchez

Profile Views GitHub Followers

🚀 About Me

I'm a Senior Software Developer with 18+ years of experience building scalable, reliable, and efficient applications across backend, frontend, cloud, and distributed systems.

My main stack includes Node.js, TypeScript, JavaScript, Java, React, SQL/NoSQL databases, AWS, and modern API architectures. I’m currently focused on AI Engineering, Context Engineering, RAG systems, AI-first development workflows, observability with tools like LangSmith, and building intelligent applications powered by LLMs.

I also have hands-on experience in Web3 and blockchain development, contributing to open source projects using technologies such as Solidity, Cairo, Rust, and Starknet.

  • 🌱 Currently learning and building with AI Engineering, RAG, LLM apps, LangChain/LangSmith, and AI-first development
  • 👯 Open to collaborating on AI, Web3, backend, and open source projects
  • 💬 Ask me about Node.js, TypeScript, backend architecture, APIs, AWS, databases, AI integrations, RAG, and Web3
  • 🚀 Passionate about building practical, production-ready software that solves real problems
  • 📫 How to reach me: joma116@hotmail.com

🛠️ Technologies & Tools

💻 Programming Languages

JavaScript TypeScript Java Python Ruby C%23 Go Rust

⚙️ Backend & APIs

Node.js Express.js Spring Boot REST APIs Microservices Kafka

🎨 Frontend

React Vite HTML5 CSS3

🤖 AI Engineering & LLM Tools

OpenAI LangChain LangSmith RAG LLM Apps Vector Databases AI First Development

☁️ Cloud & DevOps

AWS Amazon S3 AWS Lambda Railway Docker GitHub Actions CI/CD

🗄️ Databases & Search

PostgreSQL pgvector MySQL Microsoft SQL Server MongoDB DynamoDB Redis Elasticsearch

⛓️ Web3 & Blockchain

Solidity Cairo Starknet Ethereum Smart Contracts

🧪 Testing & Observability

Jest Mocha Vitest LangSmith Monitoring

...among many others

📈 GitHub Stats

Your Name's GitHub Stats Top Languages

📫 Let's Connect

LinkedIn X Telegram


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