---
title: "Viraj Kanjia (@viraj99) | Hashnode"
description: "Viraj Kanjia (@viraj99) writes on Hashnode. Read their latest articles and follow their work."
url: "https://hashnode.com/@viraj99"
---

@viraj99

# Viraj Kanjia

@viraj99 · India · Joined May 2025

### [Building a Multi-Tenant SaaS App with Node.js and MongoDB - Part 2: Implementing Core Multi-Tenant Logic](https://multi-tenant-saas-architecture.hashnode.dev/building-a-multi-tenant-saas-app-with-node-js-and-mongodb-part-2-implementing-core-multi-tenant-logic?utm_source=hashnode&utm_medium=feed)

Deep dive into connection pooling, database middleware, controllers, and a fully working multi-tenant server

20 min read · [multi-tenant-saas-architecture.hashnode.dev](https://multi-tenant-saas-architecture.hashnode.dev/building-a-multi-tenant-saas-app-with-node-js-and-mongodb-part-2-implementing-core-multi-tenant-logic?utm_source=hashnode&utm_medium=feed)

[Mar 14](https://hashnode.com/posts/building-a-multi-tenant-saas-app-with-node-js-and-mongodb-part-2-implementing-core-multi-tenant-logic/69b5a3b9210c74252f1656c5)

### [Building a Multi-Tenant SaaS Application with Node.js and MongoDB - Part 1: Architecture and Foundation](https://multi-tenant-saas-architecture.hashnode.dev/building-a-multi-tenant-saas-application-with-node-js-and-mongodb-part-1-architecture-and-foundation?utm_source=hashnode&utm_medium=feed)

The production-tested guide I wish I had when I started. Real architecture decisions, real tradeoffs, and real code.

11 min read · [multi-tenant-saas-architecture.hashnode.dev](https://multi-tenant-saas-architecture.hashnode.dev/building-a-multi-tenant-saas-application-with-node-js-and-mongodb-part-1-architecture-and-foundation?utm_source=hashnode&utm_medium=feed)

[Mar 14](https://hashnode.com/posts/building-a-multi-tenant-saas-application-with-node-js-and-mongodb-part-1-architecture-and-foundation/69b5a2f9210c74252f15d5fd)

### [MongoDB Migrations in Node.js: A Practical Guide](https://mongodb-migrations-in-nodejs.hashnode.dev/mongodb-migrations-in-node-js-a-practical-guide?utm_source=hashnode&utm_medium=feed)

Stop breaking your teammates' environments. Here's how to version-control your database schema like a pro.

9 min read · [mongodb-migrations-in-nodejs.hashnode.dev](https://mongodb-migrations-in-nodejs.hashnode.dev/mongodb-migrations-in-node-js-a-practical-guide?utm_source=hashnode&utm_medium=feed)

[Mar 14](https://hashnode.com/posts/mongodb-migrations-in-node-js-a-practical-guide/69b5a1cb210c74252f151890)