Alexey On Data | Substack

Alexey On Data

Practical writing on building, testing, and operating AI systems, workflows, and automation, based on my projects and experiments. Subscribe to get ideas you can reuse in your own work.

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The System I Built for AWS Access Without Keys

I sometimes run offline workshops.
Jun 19 • Alexey Grigorev

How I Dropped Our Production Database and Now Pay 10% More for AWS

Mar 6 • Alexey Grigorev

I Built an AI Agent Team for Software Development and Tested on 5 Real Projects

Apr 3 • Alexey Grigorev

An Unexpected Entry Into AI Memory: Milla Jovovich’s Open-Source MemPalace

Apr 7 • Alexey Grigorev

Karpathy’s Autoresearch Went Viral. Here’s How It Works (and One Idea to Try)

Mar 16 • Alexey Grigorev

Courses

AI Engineering Buildcamp: from RAG to Agents: Build production-ready AI systems from core concepts. Learn LLMs, RAG, agentic flows, testing, evaluation, and monitoring.
LLM Zoomcamp: Free course. Build RAG systems and LLM applications from scratch.
Python for AI Engineering: Learn Python by writing it. Build a command-line app that can fetch, parse, and analyze podcast data.
Free AI Agents 7-Day Crash-Course: Build a complete AI agent from data ingestion to deployment.
Machine Learning Zoomcamp: Free course. Learn to deploy ML models to production with practical projects.
Data Engineering Zoomcamp: Free course on data engineering with practical experience building pipelines, working with GCP, Terraform, and more.
MLOps Zoomcamp: Free course on practical MLOps skills: experiment tracking, workflow orchestration, model deployment, and monitoring.
AI Dev Tools Zoomcamp: Free course on AI-assisted development.

My Projects

DataTalks.Club: Global online community of data science professionals, ML engineers, and AI practitioners.
AI Shipping Labs: A community for action-oriented builders interested in AI engineering and AI tools.