Let's build a multi-vendor E-Commerce SaaS by using Microservice Architecture, ImageKit | part (1/3)

Welcome to Part 1 of the most advanced developer series on YouTube. We’re building a fully functional, real-world multi-vendor E-Commerce SaaS — just like Shopify or Amazon — using Microservice Architecture, modern tools, and a clean developer experience.

???? Useful Links:
ImageKit registration link: https://bit.ly/4hdfwDc
ImageKit documentation link: https://bit.ly/3Xuv922

Full Source code: https://becodemy.com/source-codes/lets-build-a-multi-vendor-ecommerce-saas-by-using-microservice-architecture

Kafka registration link: https://www.confluent.io/
Redis registration link: https://upstash.com/

⏱️ Timestamps
00:00:00 Cinematic intro
00:00:49 Full application demo
00:36:24 Technologies overview
01:01:14 Setting up monorepo using NX
01:29:28 Custom error handler setup
01:42:39 Authentication: register, login, OTP management
02:47:38 Forgot password, reset password, alias bug fixing
04:01:19 Setting up user UI and header component
04:41:45 User authentication (frontend implementation)
06:34:38 Seller authentication UI (frontend)
06:56:16 Seller authentication backend routes
07:37:30 Connecting Stripe for seller onboarding
08:01:24 Seller login and dashboard sidebar
08:50:11 Product creation UI
10:46:14 Discount code creation and deletion (UI + backend)
11:32:16 Finishing create product feature
12:55:22 Fetching all seller products and delete product

In this episode, we lay the foundation of our SaaS platform, focusing on:
✅ Setting up the core microservices
✅ Scalable architecture design patterns
✅ Using ImageKit for blazing-fast image delivery and real-time optimization
✅ Integrating real services from day one (not dummy placeholders!)
✅ Clean code practices for production-level projects

???? What You’ll Learn in This Series

Microservice architecture for eCommerce (auth, product, seller, orders, etc.)

Event-driven communication using Kafka

API gateway + service registry

Stripe Connect for multi-vendor payments

Real-time analytics with WebSocket

Role-based authentication & permissions

Image & media handling with ImageKit

Docker, CI/CD, and production deployment tips

???? This isn't just a tutorial. It’s a complete developer journey into building a real SaaS business from the ground up — the type you can scale, sell, or even raise investment for.

???? Drop your questions in the comments — I’ll be replying to every dev who’s serious about leveling up their skills.

???? Stay tuned for Part 2 where we go deeper into advanced service integration, user flows, and payment architecture.

???? Like, Subscribe & Turn on Notifications — this series is going to break the internet.

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sponsorship@becodemy.com

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