Notes from the engineering bench.
Hard-won lessons, deep dives, and field notes from the team. We publish what we learn — because engineering knowledge should compound, not silo.
Why we stopped using ORMs in latency-critical services
A field guide to writing SQL by hand without losing your mind — or your weekends.
Production RAG: the patterns that actually work in 2025
Citations, evals, guardrails, and the unglamorous plumbing that makes RAG useful.
Designing for 60 FPS: a field guide to buttery interfaces
The CSS, the JS, and the discipline required to keep animations smooth.
Threat modeling for product engineers: a practical primer
STRIDE, attack trees, and how to think like an attacker without becoming one.
The SLO error budget is a leadership tool, not an engineering metric
Why most teams misuse error budgets — and how to use them to ship faster.
How we hire senior engineers without whiteboard interviews
Our 4-stage process: portfolio, paired debugging, system design, working session.
The case for boring infrastructure (and when to break it)
Why we default to Postgres, Redis, and Kubernetes — and the rare cases where we don't.
LLM observability: measuring what actually matters in production
Latency, cost, quality, and drift — the four metrics that separate toy LLM apps from production ones.
WCAG 2.2 is the floor, not the ceiling
How we design products usable by everyone — including the people you're not thinking about.
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