Build With AWS
Marcelo Acosta CavaleroGenerative AI Architect | AWS Machine Learning Specialty | Building real AI systems on AWS
| Platform |  | Pricing | Only free issues | Publishes | Twice weekly |
|---|---|---|---|---|---|
| Issues | 40 | Founded | a year ago | Last Issue | 5 days ago |
| Active | |||||
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buildwithaws.substack.comLatest Issues
Your Churn Pipeline Breaks Before the Model Sees the Data
The Churn Prediction Pipeline · Chapter 1 of 10
The Churn Prediction Pipeline is a free, hands-on course about building a system that identifies customers at risk of leaving, from raw CSV exports to deployment on AWS. This first chapter es...
S3 Is Not One Service Anymore. Here's What Changed.
Twenty years ago AWS launched a service so simple they named it after the premise: just put a file in and get it back out. Today that service holds 500 trillion objects. The name never changed. The service became something else entirely. Mo...
A Churn Model Is Easy. The Pipeline Around It Is the Job.
Tired of churn tutorials that end at model.fit(), print an AUC, and never mention what happens when a real client shows up?
Tired of pipelines that shatter because this month the CSV says mrr where last month it said MonthlyCharges?...
Nobody Explained the AI Watermark Right
Give LinkedIn a topic on a Thursday and by Friday someone has turned it into a leadership lesson. Earlier this month, Anthropic confirmed that it is rolling out text watermarking across Claude. It is not switched on everywhere yet: models l...
DynamoDB Now Does Vector Search
On August 5, 2026, AWS made vector search generally available in Amazon DynamoDB.
The headline promises single-digit millisecond searches, 99%+ recall, and a design that reaches trillions of vectors.
The reaction across engineering forum...
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Generative AI Architect | AWS Machine Learning Specialty | Building real AI systems on AWS
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