Software developer & educator

Teaching people to use, build, and create with AI.

AI agents are where most of my work is right now, through courses, curriculum, demos, and tools.

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Portrait of Guil Hernandez
Guil Hernandez 550,000+ learners · 150+ courses · 7+ platforms

About

👋🏽 I'm Guil, a developer and educator working with Python, TypeScript, and agentic AI. My courses have reached 550,000+ learners worldwide, from first lines of JavaScript to production AI agents.

I've worked at Shopify, led curriculum for Podium's first AI-native web development program, built courses for Scrimba and LinkedIn Learning, and led the software curriculum and instructor team at Treehouse.

Courses, talks & livestreams

Recent videos

FeaturedMastra · June 20261:39:18

Build Your First AI Agent with TypeScript and Mastra

Watch on YouTube ↗
  1. 1:39:18 Build Your First AI Agent with TypeScript and MastraMastra · Jun 2026
  2. 1:06:14 Token Optimization TrainingAndela × GitHub · Jun 2026
  3. 14:57 Build Your First AI Agent in 90 MinutesMastra · Apr 2026
  4. 4:46:20 Learn to Code Using AIfreeCodeCamp · Jan 2024
  5. 26:24 What Is RAG, and How to Make AI Work for YouScrimba · Dec 2023

AI & software development

Selected courses

Build Your First AI Agent with TypeScript and MastraMastra GitHub Collaboration: Token Optimization Session and Q&A VideosGitHub + Andela Extend Copilot's Agent Mode with MCPLinkedIn Learning Node and OpenAI's Assistants APILinkedIn Learning DALL·E and GPT-4 VisionScrimba Deploying AI Apps with CloudflareCoursera AI Embeddings and Vector DatabasesScrimba Learn to Code with AIfreeCodeCamp & Scrimba

Conferences & podcasts

Speaking

Optimize GitHub Copilot Token CostsGitHub + Andela Be a Librarian vs. a Code EncyclopediaScrimba How to Make AI Work for YouPodcast Tackling Imposter Syndrome100DaysOfCode CSSconf EUBerlin Thunder Nerds Podcast2019 Front-End Design ConferenceSt. Petersburg, FL Treehouse Festival, Emcee2021 Treehouse Festival2020