Blog
Notes from production.
What we learned, what we shipped, and what we'd do differently.
- No imageMobile·5 min read
Flutter at Scale: Lessons from 4 Million Installs
What we'd do differently building a fintech app in Flutter today.
- No imageAI & ML·5 min read
Production RAG: Evals First, Models Second
Most RAG outages come from retrieval, not the model. Here's our eval harness.
- No imageEngineering·5 min read
Shipping a Payments Rewrite Without Downtime
How we migrated 12M cards to a new vault behind a feature flag.