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Simple AWS
Deep dives into the why behind cloud solutions, written for builders working with AWS.
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Cloud, AI, and the why.
I’m Guille Ojeda, Principal Innovation Architect at Caylent. I build, write, and speak about AWS and applied AI, with a practical point of view from Córdoba, Argentina.
Guille OjedaAWS · community · ideas
01 — Selected work
Work that makes the complex clearer.
A curated view of the places where I build, explain, and share what I’m learning.
Caylent Insights
Caylent Insights
Articles on cloud architecture, generative AI, and the systems around them.
Read the work ↗Caylent white paper · Author
The 2026 Outlook on Generative AI
Written with Caylent colleagues, this outlook explores the economics of autonomous agents and what it takes to operate them safely in production.
Read the whitepaper ↗Guides
AWS for Engineers
AI-generated AWS guides and tutorials for engineers, with manual review.
Visit the site ↗Spanish community
Dónde Aprendo AWS
A Spanish-language AWS learning directory, with curated community resources and AI-generated articles that point readers to other creators.
Explore the directory ↗Technical archive
Cloudy Things
My archive of articles on cloud architecture, AWS services, and lessons from building systems.
Read the notes ↗Project in development
Enseñale a jugar al robot virtual
An educational agent game for AWS AI User Group Argentina: configure skills and instructions, then see how the agent behaves.
Explore the game ↗More writing, projects, and resources (17)
The 2025 Outlook on Generative AI
A whitepaper I co-authored on agentic AI, multimodal systems, RAG and search, cost optimization, governance, LLMOps, generative UX, and build-versus-buy decisions.
DEV Community
A second home for articles originally published across my other platforms.
AWS Builder Center
AWS and applied-AI explainers shared with the wider AWS builder community.
LinkedIn Articles
Career, certification, and AWS community writing alongside my professional updates.
Simple AWS Learning
The catalog for my books, historical course, and learning resources.
Simple AWS Reading Lists
Topic-based reading paths through Simple AWS and Cloudy Things articles.
Cloud Architecture Jargon Simplified
A cloud architecture terminology resource in the Simple AWS Learning catalog.
AWS Community Content Hub
An open-source project for discovering and organizing AWS community contributions.
De usar ChatGPT a programar tu primer agente
A Bedrock and Strands demo that shows how tools turn a chat model into an agent.
AgentCore PDF Translation Unit Economics
A design bundle for measuring the full cost of an AI-assisted PDF translation workflow.
AWS Security Baseline
An earlier project for provisioning AWS account security and operational baseline resources.
Secure a New AWS Account
A beginner-oriented resource for setting up security in a new AWS account.
AWS Nuke Temp
A historical CloudFormation project for scheduling cleanup of temporary AWS environments.
CaramelNfts
An earlier experiment with NFTs and JavaScript at Caramel Point.
Q Conversation Simulator
A playful simulation of conversations with an overenthusiastic AI coding assistant.
Stack Overflow
Technical questions and answers from earlier in my software engineering career.
Deploying on AWS — Companion Code
The public code repository accompanying my historical AWS deployment course.
02 — Talks
Ideas from the stage.
Conference talks, workshops, community sessions, podcasts, and conversations about building with AWS and AI.
Ship Reliable AI Agents with Strands Evaluation and AgentCore Evaluations
An upcoming AWS re:Invent session on evaluating AI agents with Strands Evaluation and AgentCore Evaluations.
The Unit Economics of AI Agents
Measuring the real cost of agentic workflows and the value of each outcome.
Recording and slides ↗2024 · Nerdearla Argentina · Conference talkClown Architect: La nube es un chiste
Cloud architecture through a stand-up comedy lens.
Watch the recording ↗2024 · AWS Summit Bogotá · Summit sessionDiseño Eficiente de Modelos de Datos en Amazon DynamoDB
Access patterns and efficient DynamoDB data modeling.
Open the slides ↗All talks and appearances (36)
2026
Ship Reliable AI Agents with Strands Evaluation and AgentCore Evaluations
An upcoming AWS re:Invent session on evaluating AI agents with Strands Evaluation and AgentCore Evaluations.
De usar ChatGPT a construir tu primer agente con Amazon Bedrock
An upcoming talk at the AWS booth about moving from ChatGPT to building a first agent with Amazon Bedrock.
Meetup #2 - AWS AI User Group Argentina
Hosted the second AWS AI User Group Argentina meetup, with guest sessions from Chelo Ciceri, Matías Santoro, and Mateo Fernández.
Autorización en capas para agentes de IA con acceso a producción
Layered authorization for AI agents that access production systems.
De usar ChatGPT a programar tu primer agente con Amazon Bedrock
An August 1, 2026 hands-on session at UTN Córdoba: calling a model with Amazon Bedrock and building a Python agent with Strands Agents and tools.
De usar ChatGPT a programar tu primer agente con Amazon Bedrock
A July 23, 2026 hands-on introduction to building a first Python agent with Amazon Bedrock and Strands Agents, moving from ChatGPT to tool-using agents.
AWS Summit New York City 2026 Keynote Recap
A recap with Brian Tarbox of the keynote announcements, including Amazon Bedrock AgentCore, Kiro, Amazon Quick, AWS Continuum, and AWS Context.
The Unit Economics of AI Agents
Measuring the real cost of agentic workflows and the value of each outcome.
De POC a Producción
Lessons from enterprise GenAI deployments and what it takes to move a proof of concept into production.
2025
Werner Vogels Keynote Recap - AWS re:Invent 2025
A recap of Werner Vogels' keynote on renaissance developers, AI-assisted coding, and the responsibility to understand and own the code we generate.
AWS re:Invent 2025: Know Before You Go
A practical conversation about preparing for re:Invent, choosing sessions, and making the most of the conference.
Build real-time personalized recommendations with valkey-bundle
Building personalized recommendations with Valkey, vector search, and Python examples.
Cache me if you can, Valkey edition
Practical caching patterns, invalidation, cache stampedes, and production operations with Valkey.
AWS Community Programs, el camino para acelerar tu futuro en tecnología
How AWS community programs support learning, connections, and growth in technology.
Más allá de “se ve bien”: La guía esencial para evaluaciones de LLMs
LLM evaluation methods and quality assurance with Amazon Bedrock Evaluations.
AWS Summit New York City 2025 Keynote Recap
A discussion of the keynote announcements, including Amazon Q, Kiro, and Amazon Bedrock AgentCore.
Agentic AI
AI agents, agentic workflows, and how people and AI work together.
Agentful Architectures for Enterprise AI
Multi-agent architectures, Amazon Bedrock orchestration, and patterns for production systems.
Beyond “Looks Good”: The Essential Guide to LLM Evaluations
A practical guide to evaluating LLM applications and making quality measurable.
Beyond “Looks Good” / LLM Evaluations
LLM evaluation methods and quality assurance for generative AI applications.
Clown Architect: Comedia Técnicamente
Cloud, infrastructure, and architecture through a stand-up comedy lens.
2024
Clown Architect: La nube es un chiste
Cloud architecture through a stand-up comedy lens.
Diseño Eficiente de Modelos de Datos en Amazon DynamoDB
Access patterns and efficient DynamoDB data modeling.
Diseño eficiente de modelos de datos en DynamoDB
DynamoDB data design for the Uruguay AWS community.
Testing Generative AI Applications for Consistent Quality
Testing generative AI applications for consistent, measurable quality.
La vida del freelance en la nube
A conversation about a career in the cloud and lessons from working with AWS.
Cómo empezar en la nube con AWS con Guillermo Ojeda
Getting started with AWS and developing technical skills.
Seguridad Desde el Principio: Cómo evitar que te despierten a las 3 de la mañana
A practical talk with María Lourdes Dorado about building security into CI/CD pipelines before deployment.
2023
Basta de Bastion Host
AWS-native access patterns, including Systems Manager Session Manager.
Diseño de Datos en DynamoDB
Data design and modeling in DynamoDB.
AWS Cloud Practitioner Challenge — Sesión 8: Serverless
An introduction to serverless services for the Cloud Practitioner learning challenge.
AWS Cloud Practitioner Challenge — Sesión 10: Billing & Support
AWS billing and support for the Cloud Practitioner learning challenge.
AWS Cloud Practitioner Challenge — Sesión 7: Databases
A community training session on RDS, Aurora, Redshift, ElastiCache, and DynamoDB.
AWS Cloud Practitioner Challenge — Sesión 0
An introductory kickoff for the 2023 Cloud Practitioner Challenge, with Guille joining the AWS UG Buenos Aires speaker team.
2022
Volver al Futuro con AWS — Un viaje Low Cost
Practical, low-cost approaches to building with AWS.
2021
AWS: Getting Started
An introduction to AWS and getting started in the cloud.
Speaking
Open to speaking opportunities.
03 — Authorship
Books and a course on building with AWS.
Two published books, a new book in progress, and a video course on deploying applications to AWS.
04 — About
A little about me.
Today I work as Principal Innovation Architect at Caylent’s Office of the CTO, helping turn emerging cloud and AI ideas into useful systems and clear explanations.
I’m an AWS Community Builder in Serverless, an AWS User Group Leader for AWS AI User Group Argentina, and AWS Builder of the Year for LATAM-ES 2025. I also organize community events and help other builders share their work.
Now
Principal Innovation Architect · Caylent
Based in
Córdoba, Argentina
Community
AWS Community Builder · Serverless
Leadership
AWS User Group Leader · AWS AI User Group Argentina
AWS Community Builder
Part of the Serverless category since 2022.
- Visit the group ↗
AWS AI User Group Argentina
AWS User Group Leader since June 2026, bringing together the local AWS and AI community.
- Explore the event ↗
AWS Community Day Argentina
Member of the organizing team in 2024, 2025, and 2026.
- About the program ↗
Caylent Champions
Creator and Program Manager, supporting community events and speakers through sponsorship and travel budgets.
AWS New Voices
Participated in the AWS speaker development program in 2024.
- Read the story ↗
AWS All Builders Welcome Grant
Received the grant to attend my first re:Invent in 2021.