Hey Im Giancarlo . A Senior full stack developer. I've spent 5+ years building websites, web apps, and digital products that help businesses grow. - AI Agent & Multi-Agent Systems with MCP integration and workflow orchestration - Retrieval-Augmented Generation (RAG), Vector Databases, Semantic Search, and AI-powered automation - AI & LLM Development using OpenAI APIs, LangChain, LangGraph, CrewAI, AutoGen, and Hugging Face - Web Development using React, Next.js, Node.js, PHP - Mobile App Development for Android and iOS using Flutter, Swift, and native technologies - E-commerce solutions with Shopify and integrated payment systems - API integrations and backend services - Progressive Web Apps (PWA) - Unity-based mobile game development - Custom AI chatbots, document processing, speech-to-text, and NLP solutions - Fine-tuning and deployment of transformer and LLM-based applications using LoRA/QLoRA Why hire me? ➜ Senior-level work at competitive rates ➜ Fast communication and reliable delivery ➜ Focused on earning 5-star reviews by over-delivering Let's build something great together.