---
title: "Edgar Sanchez (@garosan) | Hashnode"
description: "SWE | Fintech | AI. Read the latest articles by Edgar Sanchez on Hashnode."
url: "https://hashnode.com/@garosan"
---

@garosan

# Edgar Sanchez

@garosan · MX · Joined November 2020

SWE | Fintech | AI

### [Building a RAG System from Scratch with TypeScript (Part 1)](https://foundationfrontier.hashnode.dev/building-a-rag-system-from-scratch-with-typescript-part-1?utm_source=hashnode&utm_medium=feed)

This is a RAG tutorial. My goal is for you to learn and understand the concepts and problems that RAG solves in a clear and simple way. Let's get into it! Here's a real scenario: you've just been hir

11 min read · [foundationfrontier.hashnode.dev](https://foundationfrontier.hashnode.dev/building-a-rag-system-from-scratch-with-typescript-part-1?utm_source=hashnode&utm_medium=feed)

[Jun 3](https://hashnode.com/posts/building-a-rag-system-from-scratch-with-typescript-part-1/6a207e90870641bf252a68ce)

### [Crash Course de Vercel AI SDK v6](https://foundationfrontier.hashnode.dev/crash-course-de-vercel-ai-sdk-v6?utm_source=hashnode&utm_medium=feed)

Aprende text generation, streaming, tools y embeddings, y crea tu propio ChatGPT en minutos

11 min read · [foundationfrontier.hashnode.dev](https://foundationfrontier.hashnode.dev/crash-course-de-vercel-ai-sdk-v6?utm_source=hashnode&utm_medium=feed)

[May 27](https://hashnode.com/posts/crash-course-de-vercel-ai-sdk-v6/6a176655badcd8afcb2c1dae)

### [From Language Models to AI Engineering](https://foundationfrontier.hashnode.dev/from-language-models-to-ai-engineering?utm_source=hashnode&utm_medium=feed)

Key concepts from Chapter 1 of Chip Huyen's AI Engineering

6 min read · [foundationfrontier.hashnode.dev](https://foundationfrontier.hashnode.dev/from-language-models-to-ai-engineering?utm_source=hashnode&utm_medium=feed)

[Mar 25](https://hashnode.com/posts/from-language-models-to-ai-engineering/69c405c910e664c5dabb642a)

### [AI Engineering book: First Notes](https://foundationfrontier.hashnode.dev/ai-engineering-book-first-notes?utm_source=hashnode&utm_medium=feed)

Impressions, takeaways, and concepts from a quick look at Chip Huyen's AI Engineering.

3 min read · [foundationfrontier.hashnode.dev](https://foundationfrontier.hashnode.dev/ai-engineering-book-first-notes?utm_source=hashnode&utm_medium=feed)

[Mar 23](https://hashnode.com/posts/ai-engineering-book-first-notes/69c1914630a9b81e3a96608c)

### [Hello, world](https://foundationfrontier.hashnode.dev/hello-world?utm_source=hashnode&utm_medium=feed)

Exploring AI's foundation and frontier as a software developer

2 min read · [foundationfrontier.hashnode.dev](https://foundationfrontier.hashnode.dev/hello-world?utm_source=hashnode&utm_medium=feed)

[Jan 14](https://hashnode.com/posts/hello-world/69bf06c14a1e513e412f21f2)