FinTech: Migration Guide

Answer first: FinTech: Migration Guide — 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

Skip the buzzwords. For FinTech: Migration Guide, the constraint that matters is usually data ownership, not feature count.

Implementation checklist

Instrument the happy path and the exception path — silent failures are what turn launches into fire drills.

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

Ship a thin vertical slice, measure, then widen. Big-bang rewrites rarely survive contact with production.

Updated regularly as delivery patterns change.