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About the Substack

I talk about my experience in the data field after 10+ years working as a full time employee at companies like Meta, GitHub and Vercel and 2 years as an independent data consultant

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• Occasional public posts

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• In-depth articles about data engineering, data AI agents and data interviewing that I don't share publicly
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About Alejandro Rojas López

I help you learn data engineering concepts to accelerate your growth at work as well as practical tips to crack the data interview 📈 10+ years as a data engineer at Meta, GitHub, Vercel, Auth0 and now as an independent data consultant 🧗 Rock climber