About Me / CV

Daniel Eleazar Fragoso Reyes
Full-Stack Developer & AI Solutions Architect
About Me
Full Stack Developer with 10+ years of experience in transactional systems and APIs, as well as creating intuitive and optimized mobile, desktop, and web interfaces. Recently focused on AI-based chatbots for order capture, support, and sales. Extensive experience developing robust and scalable APIs to handle high-demand services oriented toward digital and financial products.
Computer VisionNatural Language ProcessingRAG (Retrieval-Augmented Generation) SystemsAI Agents & Agentic WorkflowsCloud Infrastructure (IaC)CI/CD Pipelines
AWS Certifications

AWS Solutions Architect – Associate

AWS Solutions Architect – Professional

AWS Developer – Associate

AWS Machine Learning – Associate
AI & Cloud Consultant
Consulting Projects
Remote
- Architecture and development of RAG systems with LangChain, ChromaDB, FAISS, and Pinecone
- Implementation of AI Agents using LangGraph and multi-agent architectures
- Development of conversational AI solutions with AWS Bedrock, Azure OpenAI, and Groq
- Building real-time chatbot systems with WebSocket, Socket.io, and WhatsApp Cloud API
- Multi-cloud deployments across AWS, Azure, and GCP with Infrastructure as Code
- Full-stack development with Next.js 15, React 19, and FastAPI backends
Full-Stack Developer
Axtra de México S.A. de C.V.
Mexico City, México
- Web development using Python (Django) and React
- Built applications with Flutter, React Native, and Expo
- Backend/API development using Flask, FastAPI, Next.js, Spring Boot
- Created a parallel transaction system in Go with monitoring and reporting
- Built dashboards using Angular and Vue
- Developed AI chatbots for WhatsApp and Telegram
Full-Stack Developer
SITAE México
Estado de México, México
- Developed mobile apps for Android, Windows Phone, and Blackberry OS
- Built web applications for sales management and reporting
- Integrated MySQL and SQL Server with transactional APIs
- Managed Linux servers and cloud infrastructure
Web Developer
SIFI INTSOL
Estado de México, México
- Developed web forum for customer support, improving issue resolution by 25%
- Built web-based tax payment processing system using Java and Scala
- Worked with Oracle PL/SQL, J2EE, Struts, and Spring