---
title: "Emmanuel Olusola (@Olusoladeboy) | Hashnode"
description: "Software Engineer. Read the latest articles by Emmanuel Olusola on Hashnode."
url: "https://hashnode.com/@Olusoladeboy"
---

@Olusoladeboy

# Emmanuel Olusola

@Olusoladeboy · Lagos, Nigeria · Joined March 2021

Software Engineer

[Website](http://olusola.tech/)

### [MongoDB Transactions Are Not What You Think](https://olusoladeboy.hashnode.dev/mongodb-transactions-are-not-what-you-think?utm_source=hashnode&utm_medium=feed)

Or: why half the MongoDB transactions you see in Node.js backends are quietly fixing bad schema design. MongoDB transactions are one of those features that sound reassuring. They whisper: “Relax. You can build this just like Postgres.” And for a l...

4 min read · [olusoladeboy.hashnode.dev](https://olusoladeboy.hashnode.dev/mongodb-transactions-are-not-what-you-think?utm_source=hashnode&utm_medium=feed)

[Jan 27](https://hashnode.com/posts/mongodb-transactions-are-not-what-you-think/697934b4f961c53286b248cd)

### [Creating a MongoDB Self-Hosted Replica Set Database](https://olusoladeboy.hashnode.dev/creating-a-mongodb-self-hosted-replica-set-database?utm_source=hashnode&utm_medium=feed)

It’s a little bit difficult setting up a MongoDB replica set locally (or on a Self Hosted VM). However, I have some guidelines that could help create

4 min read · [olusoladeboy.hashnode.dev](https://olusoladeboy.hashnode.dev/creating-a-mongodb-self-hosted-replica-set-database?utm_source=hashnode&utm_medium=feed)

[Jan 12, 2025](https://hashnode.com/posts/creating-a-mongodb-self-hosted-replica-set-database/6783fef514977d7003334f20)