The Observer Pattern: The Secret Behind Every Real-Time App You Love
It's 2 AM, and I'm debugging what should have been a simple feature. My coffee has gone cold, my eyes are burning, and I'm staring at a network tab that…
The Strategy Pattern: A Complete Guide for Software Engineers
If you've ever found yourself staring at a massive switch statement or a series of if-else chains that seems to grow longer every time a new requirement comes in, you're…
The RUM Conjecture: Understanding the Fundamental Trade-offs in Distributed Data Systems
Introduction In distributed systems, particularly in database design and data storage systems, engineers often face challenging trade-offs. The RUM Conjecture, introduced by Athanassoulis et al. in 2016, provides a framework…
Understanding Monotonic Reads in Distributed Systems: A Deep Dive for Interview Preparation
Introduction Monotonic reads is a crucial consistency model in distributed systems that every senior engineer should thoroughly understand, especially when preparing for technical interviews at leading tech companies. This concept…
Sloppy vs Strict Quorums in Distributed Systems: A Complete Guide for System Design Interviews
Introduction If you're preparing for system design interviews at top tech companies, understanding distributed systems concepts is crucial. One fundamental concept that often comes up is quorum-based systems. In this…
Understanding WebSocket Handshake with TypeScript
Introduction WebSocket provides a powerful way to establish real-time, bi-directional communication between clients and servers. In this post, we'll dive deep into the WebSocket handshake process using TypeScript, making it…
System Design Interview Series #1: Building a Social media Feed | Senior Software Engineer Prep Guide
Problem Statement Design a news feed system similar to Facebook's News Feed, where users can: See posts from their friends and followed pages Create new posts (text, images, videos) Like…
What Are the Traits of a Well-Maintained Codebase and System?
As a software engineer with over a decade of experience working on various codebases - from scrappy startups to large enterprise systems - I've learned that well-maintained code isn't just…
Mastering Distributed Monitoring: A Key to Acing Your System Design Interview
Introduction Welcome to our series on system design concepts for tech interview preparation! In this installment, we'll delve into distributed monitoring, a critical aspect of managing large-scale distributed systems. By…
Lamport and Vector Clocks: A System Design Interview Primer
If you're preparing for a system design interview, understanding Lamport and Vector clocks is crucial. These concepts often come up when discussing distributed systems. Let's break them down in simple…