Eldin Sanchez
17+ Years Transforming Ideas Into
High-Performance Digital Solutions
Enterprise-Grade AI Integration
From strategic AI roadmaps to cutting-edge implementations with MCP servers, A2A protocols, and advanced RAG systems. I turn AI complexity into business advantage.
Full-Stack Excellence Since 2007
Master of JavaScript/TypeScript, React, Vue, Node.js, .NET, Python, and modern DevOps. I architect scalable solutions that stand the test of time.
AI-First Development Approach
Leveraging GitHub Copilot, Cursor, and Windsurf for 10x productivity. I combine veteran expertise with cutting-edge AI tools to deliver exceptional results.
Proven ROI & Business Impact
17 years of delivering measurable results. From startup MVPs to enterprise transformations, I turn technical excellence into business success.
Professional Experience
A timeline of technical leadership and architectural innovation.
Senior Full-Stack Developer & Architect
- Architected a HIPAA-compliant EHR platform using a microservices backend (Python/Django) and API Gateway pattern, deployed on AWS Fargate via Docker and Terraform.
- Developed a Vue.js frontend with PrimeVue, Tailwind CSS, and animated SVG body maps for intuitive anatomical selection.
- Built a real-time gastroscopy viewer streaming images/video via Socket.IO from a Python microservice to a web UI.
- Created a high-throughput Rust CLI for bulk medical data migration and automated sync jobs.
- Developed web scraping pipelines using Puppeteer and Python/Playwright for data extraction.
- Built Go APIs for a fintech client to improve credit application throughput.
- Delivered a full Laravel e-commerce platform with a RAG-powered admin assistant and analytics dashboards.
Software Architect & Team Lead
- Grew from Frontend Developer to Software Architect, leading engineering teams of 3–10 developers.
- Migrated legacy .NET Framework backends to .NET 6/8 using Clean Architecture, achieving 300%+ performance gains.
- Designed a multi-DBMS query layer (LINQ/SqlKata) for Oracle, PostgreSQL, and SQL Server.
- Led PCI DSS and PCI SSF certification efforts, including encryption protocol upgrades.
- Partnered with Data Science to build ML tooling (ONNX, PyTorch, TensorFlow) and Explainable AI (XAI) interfaces.
- Modernized legacy SWIFT transfer systems and large-scale ExtJS enterprise apps to React.
- Championed unit testing, introduced Cypress.io for E2E testing, and mentored junior engineers.
Web Developer & Team Lead
- Led 10 developers across backend, API, and frontend teams for a startup platform.
- Built applications using Symfony, Bootstrap, and Ruby (Sinatra/Rails).
- Applied extensive GoF design patterns (DI, Factory, Builder, Observer, Strategy) to solve workflow bottlenecks.
- Mentored junior developers and managed on-premise IT infrastructure.
Web Developer
- Built features and fixed bugs for core products using PHP (Symfony 1 & 2) and MySQL.
- Wrote complex queries via ORM and raw SQL.
- Automated manual processes using Bash scripts and managed version control (Subversion, Git).
- Provided direct technical support to clients and maintained unit tests.
Artificial Intelligence & Machine Learning
2.5+ years developing AI solutions, from intelligent code editors to complex RAG systems. Specialized in model integration, automated workflows, and cutting-edge AI technologies.
AI Code Editors
Advanced development with AI-powered editors including GitHub Copilot (2021), Cursor (2023), and Windsurf (2024) for assisted programming.
AI Agents & Workflows
Design and implementation of intelligent agents and automated workflows using modern AI frameworks and orchestration tools.
MCP Servers
Development with Model Context Protocol servers (Nov 2024) for seamless AI model integration in applications.
A2A Integration
Early adoption of Agent2Agent Protocol (April 2025) for seamless agent communication and distributed AI system orchestration.
Model Training & Fine-tuning
Training and fine-tuning language models and neural networks for domain-specific use cases and applications.
RAG Workflows
Building Retrieval-Augmented Generation systems for enhanced contextual responses and knowledge integration.
ML Frameworks & Tools
Extensive experience with PyTorch, TensorFlow, Hugging Face Transformers, LangChain, and modern ML toolchains.
Vector Databases
Implementation of vector databases (Pinecone, Weaviate, Chroma) for semantic search and RAG system architectures.
Tools & Technologies
DevOps & Infrastructure
Cloud platforms, containerization, and modern infrastructure management
AWS
Azure
Git
CD/CI/CT
Networks
Linux
Windows
Containers
Programming & Development
Full-stack development with modern languages and frameworks
.Net (C#, VB, C++)
Python
JavaScript
NodeJS
Ruby
PHP
TypeScript
React
Vue
Symfony
Ruby on Rails
Django
SQLServer
PostgreSQL
MongoDB
MySQL/MariaDB
Redis
Bash
Powershell
Unit Testing
Leadership & Collaboration
Team management, strategic planning, and interpersonal excellence
Strategic Planning
Team Leadership
Collaborative Teamwork
Problem Solving
Customer Support & Relations
Technical Training & Mentoring
Agile Methodologies (Kanban, Extreme Programming, Scrum)
Security & Compliance
Enterprise security standards and regulatory compliance expertise