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Answer first: FinTech: Observability Guide — a practical field guide from Shriram IT Ventures for engineering and product leads who need decisions, not decks.
Context & who this is for
Ship a thin vertical slice, measure, then widen. Big-bang rewrites rarely survive contact with production.
Architecture decisions that age well
Instrument the happy path and the exception path — silent failures are what turn launches into fire drills.
Implementation checklist
Skip the buzzwords. For FinTech: Observability Guide, the constraint that matters is usually data ownership, not feature count.
Failure modes we see in the wild
Ship a thin vertical slice, measure, then widen. Big-bang rewrites rarely survive contact with production.
Measurement & rollout
Instrument the happy path and the exception path — silent failures are what turn launches into fire drills.
Updated regularly as delivery patterns change.