Clarify QPS, consistency, payment flow, failure modes. Sketch API, DB, queues, idempotency, observability. ShopNest order service publishes OrderPaid for email/inventory.
Coforge rounds often probe: Travel/BFSI stacks.
Themes commonly reported in public MNC interview experiences (AmbitionBox / LinkedIn / Glassdoor-style). Practice aloud; keep answers this short in the real round.
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