Author

Nikolai Grant

Engineering

Nikolai builds systems that don’t crash at 3am His career has been in backend infrastructure and he believes the best code is the code that nobody sees because it just works.

Posts by Nikolai Grant

EngineeringWhy usage metering breaks at scale (and how we fixed it)At a few thousand events a second, naive aggregation falls over. Here's the ledger design that doesn't.Jun 17, 2026 · 7 min read Customer storiesHow Tokenfold cut billing ops from 3 days to 0A monthly invoice run that ate three engineer-days became a number nobody thinks about anymore.Apr 29, 2026 · 8 min read