Oct 20256 min
AI as Amplifier: Why Your Domain Expertise Matters More Now
Everyone has ChatGPT. Your unfair advantage is what you know that it doesn't.
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PORTFOLIO / 2025
Ulises
Arellano
AI Engineer | Python & LangChain Specialist
Building production-ready AI systems with RAG pipelines, multi-agent architectures, and voice AI. From prototype to deployment—no hype, just code that works.
Available for Projects
Mexico City
CURRENTLY
AI Engineer & CEO
@ Gnosix
Apr 2025 — Present
Python • LangChain • FastAPI • RAG
Technical Stack
AI & LLM
LangChain • LangGraph • Pydantic AI • RAG Systems • OpenAI • Anthropic SDK
Python Backend
FastAPI • Pydantic • Async Python • REST APIs
Databases
PostgreSQL • Supabase • Pinecone • pgvector
Voice & Automation
VAPI • n8n • Webhooks
Full-Stack
Next.js • React • TypeScript • Convex
Selected Work
2025
2025
AI-Powered Medical Exam Platform
Depadoc
Platform enabling medical students to create AI-generated exams with personalized feedback. Complete learning ecosystem with progress tracking and analytics. RAG-powered question generation ensures high-quality, contextually relevant content.
ConvexReactOpenAIRAGClerkPolar
2025
Deep Research Medical AI Assistant
MedMentor
Deep research agent for medical professionals using LangGraph Deep Agents. Analyzes current clinical guidelines and medical literature with Tavily web search. Memory-enabled sessions for personalized research assistance.
PythonLangGraphPydantic AITavilyDeep Agents
2025
RAG Chatbot with Vector Search
DocChat
Streaming chatbot for document intelligence. Upload PDFs or text files, automatically chunk and index in Pinecone, then ask questions with semantic search. Production-ready RAG pipeline with FastAPI backend.
PythonLangChainFastAPIPineconeOpenAI Embeddings
Recent Thoughts
Sep 20258 min
From Prompts to Products: The New Production Stack
You're not programming anymore. You're orchestrating.
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Sep 20257 min
The Cognitive Offload Paradox
AI makes you more productive—but are you losing the skills that got you here?
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Aug 20258 min
AI and Human Consciousness: A Mirror of the Self
Exploring AI as a reflection of humanity and our collective future.
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Jul 20255 min
Why Generative AI is Reshaping Business Automation
Text, video, and image generation redefining workflows.
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Jun 20256 min
From Medicine to Machine Learning: My Journey into AI Software Engineering
Blending a medical background with AI innovation.
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May 20259 min
Building Scalable AI Agents with LangGraph
Lessons from modular multi-agent systems.
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Apr 20257 min
The Role of RAG in Healthcare AI
RAG pipelines supporting clinical decision-making.
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Let's build AI that works.
Open to: AI Engineer roles, consulting, and production AI implementations.