---
title: "Discussion on \"Pub/Sub Topics and Subscriptions: Designing PulseCart's Event Backbone\" | Hashnode"
description: "Discussion on \"Pub/Sub Topics and Subscriptions: Designing PulseCart's Event Backbone\". Day 2 of Building PulseCart: Event-Driven Architecture on GCP"
url: "https://hashnode.com/posts/pub-sub-topics-and-subscriptions-designing-pulsecart-s-event-backbone/6a3976025ae8146856efe578"
---

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# [Pub/Sub Topics and Subscriptions: Designing PulseCart's Event Backbone](https://blog.madhav.dev/pub-sub-topics-and-subscriptions-designing-pulsecart-s-event-backbone?utm_source=hashnode&utm_medium=feed)

Day 2 of Building PulseCart: Event-Driven Architecture on GCP

Jun 22 · 6 min read · blog.madhav.dev  
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-   [#gcp](https://hashnode.com/tag/gcp)
-   [#pubsub](https://hashnode.com/tag/pubsub)
-   [#event-driven-architecture](https://hashnode.com/tag/event-driven-architecture)
-   [#backend](https://hashnode.com/tag/backend)
-   [#deadletter-queue](https://hashnode.com/tag/deadletter-queue)

## Written by

[Madhav Bhasin](https://hashnode.com/@madhavbhasin)

@madhavbhasin · Noida, India

  
[View profile](https://hashnode.com/@madhavbhasin)

Production patterns for backend engineers who are tired of hello-world tutorials.

Senior full-stack engineer and engineering lead with 5+ years building cloud-native systems at scale. I write about the things the docs don't cover — GCP, FastAPI, Terraform, event-driven architecture, and AI-powered backends. No hello-world demos.

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