On this page
A practical cut of SaaS: Realtime Systems Guide for engineering and product leads — decisions first, framework essays last.
Who this is for
Ship a thin vertical slice, measure, then widen. Big-bang rewrites rarely survive the first month of real traffic.
Decisions that still look smart in 18 months
Ship a thin vertical slice, measure, then widen. Big-bang rewrites rarely survive the first month of real traffic.
Build checklist we actually use
Use boring technology where the risk is operational. Save novelty for the one wedge that makes the product worth buying.
Failure modes we keep seeing
Ship a thin vertical slice, measure, then widen. Big-bang rewrites rarely survive the first month of real traffic.
How we measure rollout
Ship a thin vertical slice, measure, then widen. Big-bang rewrites rarely survive the first month of real traffic.
We update this when delivery patterns change on live client work.