---
title: "Nitish Ojha (@nitishojha) | Hashnode"
description: "From DSA to Distributed Systems. Read the latest articles by Nitish Ojha on Hashnode."
url: "https://hashnode.com/@nitishojha"
---

@nitishojha

# Nitish Ojha

@nitishojha · Uttar Pradesh , India · Joined June 2026

From DSA to Distributed Systems.

[Website](https://www.nitishojha.in/)

### [🚀 Today's JavaScript Deep Dive](https://dsatodistributed.hashnode.dev/today-s-javascript-deep-dive?utm_source=hashnode&utm_medium=feed)

Spent time understanding some of the most important JavaScript concepts that power modern web applications: 🔹 Execution Flow & Event Loop🔹 Closures🔹 Debouncing🔹 Throttling A few key takeaways: ✅ F

1 min read · [dsatodistributed.hashnode.dev](https://dsatodistributed.hashnode.dev/today-s-javascript-deep-dive?utm_source=hashnode&utm_medium=feed)

[Jun 20](https://hashnode.com/posts/today-s-javascript-deep-dive/6a36a6006c2d6afa514d845b)

### [Connection Pooling Explained from Scratch: The Concept Every Backend Developer Must Know](https://dsatodistributed.hashnode.dev/connection-pooling-explained-from-scratch-the-concept-every-backend-developer-must-know?utm_source=hashnode&utm_medium=feed)

If you are learning Backend Development, System Design, Node.js, Java, Spring Boot, .NET, or any server-side technology, sooner or later you will hear the term: Connection Pooling When I first heard i

5 min read · [dsatodistributed.hashnode.dev](https://dsatodistributed.hashnode.dev/connection-pooling-explained-from-scratch-the-concept-every-backend-developer-must-know?utm_source=hashnode&utm_medium=feed)

[Jun 14](https://hashnode.com/posts/connection-pooling-explained-from-scratch-the-concept-every-backend-developer-must-know/6a2ed2e15d0348be3eaff1f6)

### [Developer Vibe 🔥](https://dsatodistributed.hashnode.dev/developer-vibe?utm_source=hashnode&utm_medium=feed)

I thought Supabase was just PostgreSQL with a nice UI. After spending a few hours building with it, I realized it's much closer to a backend platform than a database. Authentication, sessions, storage

1 min read · [dsatodistributed.hashnode.dev](https://dsatodistributed.hashnode.dev/developer-vibe?utm_source=hashnode&utm_medium=feed)

[Jun 10](https://hashnode.com/posts/developer-vibe/6a29a2c49c7a189975e4bf25)

### [COD-TRAKR Update 🚀](https://dsatodistributed.hashnode.dev/cod-trakr-update?utm_source=hashnode&utm_medium=feed)

Today's focus was mostly on optimization and cleanup. 🚀 Switched from Dashboard-Level Caching → Platform-Level Caching Previously I was caching the entire dashboard response. Now each platform (LeetC

2 min read · [dsatodistributed.hashnode.dev](https://dsatodistributed.hashnode.dev/cod-trakr-update?utm_source=hashnode&utm_medium=feed)

[Jun 9](https://hashnode.com/posts/cod-trakr-update/6a283d322079f280b9aa6daf)

### [Building Talksy AI: Integrating a Persistent AI Assistant into a MERN Chat Application 🚀](https://dsatodistributed.hashnode.dev/building-talksy-ai-integrating-a-persistent-ai-assistant-into-a-mern-chat-application?utm_source=hashnode&utm_medium=feed)

Today I shipped the first version of Talksy AI inside my MERN-based real-time chat application, Talksy. What started as a simple Gemini API integration evolved into a fully authenticated, persistent,

4 min read · [dsatodistributed.hashnode.dev](https://dsatodistributed.hashnode.dev/building-talksy-ai-integrating-a-persistent-ai-assistant-into-a-mern-chat-application?utm_source=hashnode&utm_medium=feed)

[Jun 7](https://hashnode.com/posts/building-talksy-ai-integrating-a-persistent-ai-assistant-into-a-mern-chat-application/6a25d38fe13d3b71b8629e84)