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Async Queue – One of my favorite programming interview questions

For the past 7+ years, I've been conducting a programming interview that has been a true personal favorite of mine. It was passed down to me from good friends (Jeremy Kaplan and Carl Sverre, and it was the latter whom I believe invented it). This interview has probably been given by us between 500-1000 times across different companies, and upon googling for "async queue interview", I see tons of results. So, it's probably fine for me to blog about it. My main goal with this blog post is to disc

My Database Is My Application: Rethinking Webhook Logic with DuckDB and SQL

My Database is My Application: Rethinking Webhook Logic with DuckDB and SQL Sat May 10 2025 • duckdbsqlwebhooks Back Imagine you need to build a system for processing incoming webhooks. You're probably picturing a familiar setup: a lightweight web server (FastAPI, Flask, Express.js, etc.), some Python (or Node.js, or Go) handlers to parse JSON, a sprinkle of business logic, and then maybe persisting data to a traditional database like PostgreSQL or MySQL. Perhaps you'd toss events onto a messa