$ ls ./posts
Blog
Notes on storage engines, bootstrapping, and building things solo.
5 posts // 2026sorted by date ↓
Aug 22, 20269 min read
The Ralph loop: running coding agents for hours without losing the plotWhy long agent sessions decay, how a dumb bash loop fixes it, and how LLMBrain's /work-on-milestone skill turns a milestone into a Ralph loop with a persistent brain as the state store.llmbrainagentsralph-loopRead →
Aug 18, 20269 min read
How I started Zenve3D: parametric CAD, from an empty viewportWhy I decided to build a professional CAD app for Mac and iPad, the technical bets that made it possible, and the problems that turned out to be the actual product.zenve3dcadopencascadeRead →
Aug 13, 202610 min read
Building a Delta Lake storage engine from scratchWhy I skipped Elasticsearch and ClickHouse and built LogzAI's storage layer on Parquet files, a transaction log, and DuckDB — and what it takes to make that survive millions of rows in production.delta-lakeduckdblogzaiRead →
draftcoming soon
From trading journal to trading platform: bootstrapping with your own audienceHow AntSignals' €2K/month and its audience became the launchpad for Zapant — zero ad spend, 300K+ live transactions.bootstrappingsaas
draftcoming soon
What 100+ technical interviews taught me about hiring engineersPatterns from scaling teams from zero — what actually predicts a good hire, and what never did.hiringleadership