Design a Notification Platform

Build transactional and marketing notifications with preferences, templates, retries, and provider failover.

35 min

3 sections

notifications

push

01. Separate intent from delivery

Section 1 of 3

A product event says what happened. Notification orchestration decides whether to notify, which channel to use, which template applies, and when to deliver. Delivery workers handle provider-specific mechanics.

text

OrderShipped event
  -> notification rules
  -> preference check
  -> template rendering
  -> channel selection
  -> delivery queue
  -> email provider / push provider / SMS provider
  -> delivery status events

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