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Alexandre DO’s personal blog and portfolio — machine learning, data science, and production ML systems.

Alexandre DO

Machine Learning Engineer passionate about AI, data science, and building production-ready ML systems.

Latest Posts

Deploying a Machine Learning Project with AWS CloudFormation

Turning a manual, click-through AWS deployment into a reviewable, repeatable CloudFormation stack.

Fine-Tuning LLMs

A short, practical walkthrough of fine-tuning a large language model with LoRA instead of full fine-tuning.

REST vs GraphQL vs WebSocket in Python

A practical comparison of three ways to expose data from a Python backend, with FastAPI examples for each.