Blogs
Thoughts on software development, technology, and building things that matter.
When Multiple Tech Stacks Actually Make Sense: Lessons from PhonePe and Super Apps
Why companies like PhonePe, Paytm, and Gojek intentionally run multiple tech stacks in the same app—and why your startup probably shouldn't try it.
Why YouTube Live Chat Scales Without WebSockets
How YouTube serves millions of concurrent viewers with HTTP-based polling instead of WebSockets, saving tens of millions in infrastructure costs while maintaining real-time performance.
Understanding How the YouTube Video Pipeline Works
A comprehensive breakdown of YouTube's video pipeline from upload to playback. Learn how videos are transcoded, distributed globally, and streamed seamlessly to billions of viewers worldwide.
How 2025 Taught Me to Stand on My Own Feet
A personal reflection on a transformative year filled with challenges, growth, and hard-won wisdom about family, self-love, and the power of skills.
How React Got Hacked: The Critical Server Components Vulnerability Explained
A critical security flaw (CVE-2025-55182) that allowed attackers to execute code on React servers without authentication. Learn what happened, how it was exploited, and how to keep your apps secure.
How NPM Was Hacked: The Shai-Hulud Attack Explained Simply
A dangerous attack that stole developer secrets and spread automatically through npm packages. Learn what happened, how it works, and how to protect yourself.
Kimi 2: The Chinese Open-Source LLM Challenging GPT-4/5
How Chinese open-source models like Kimi 2 are getting better day by day, becoming cheaper, and rivaling proprietary Western models in performance benchmarks.
StartDB Update: SQL Query Engine & B-Tree Indexing Now Live!
Phase 3 complete! StartDB now has a fully functional SQL query engine with B-Tree indexing, query optimization, and comprehensive transaction support.
Why Cloudflare Workers AI is the Future of Serverless AI Development
Building a Production-Ready Content Moderation API in Minutes, Not Months
The AI Era: Let's Face the Truth
Why AI is different from past tech waves, how it's reshaping work, and what it means for developers
Building StartDB: The Future of AI-Powered Databases
How I'm building a database that learns and optimizes itself automatically using AI and machine learning
Building a Cal.com Clone for $50/Month: My System Architecture
5-minute read: How I built a scheduling platform that handles thousands of users while keeping costs minimal
How I Think Unacademy's Live Class Backend Works: A Technical Deep Dive
Understanding the architecture behind India's largest EdTech platform's real-time learning experience
Building a Serverless Trading Platform Backend: SEBI Hackathon Project
A complete trading platform backend built with Hono.js and Cloudflare Workers featuring authentication, KYC compliance, and trading capabilities
Learning Advanced Backend Engineering by Building Mini-Automation Features
How I'm mastering distributed systems, queue management, and webhook handling by building simplified versions of automation platform features
How I Got My First Internship Implementing Prometheus & Grafana (And Why You Should Learn It)
A startup founder reached out—his site was growing fast, and he had zero visibility. Six hours later, I had Prometheus and Grafana running, collecting metrics, and showing beautiful dashboards. Here's everything you need to get started.