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Answer first: FinTech: Architecture Playbook — a practical field guide from Shriram IT Ventures for engineering and product leads who need decisions, not decks.
Context & who this is for
Teams that document trade-offs before coding waste fewer sprints when requirements shift mid-build.
Architecture decisions that age well
Instrument the happy path and the exception path — silent failures are what turn launches into fire drills.
Implementation checklist
Ship a thin vertical slice, measure, then widen. Big-bang rewrites rarely survive contact with production.
Failure modes we see in the wild
Prefer boring technology where the risk is operational, and reserve novelty for the actual product wedge.
Measurement & rollout
Ship a thin vertical slice, measure, then widen. Big-bang rewrites rarely survive contact with production.
Updated regularly as delivery patterns change.