AJAlen Joyinpragmaticstack.in·11h ago · 18 min readFaster Than the Fingers: Designing a Real Time Coding Assistant🗓️ Last updated: June 2026 Ask any senior engineer to design a code completion product in a system design interview, and the first thirty minutes sound exactly like the autocomplete designs we have 00
DKDamir Karimovinblog.damir-karimov.com·4h ago · 7 min readWhy Your Background Jobs Are Lying to YouMost developers learn background jobs through a deceptively simple mental model: Put a task into a queue. A worker picks it up. The task gets executed. That’s it. At least, that’s what we tell ou00
KNKarvendhan Nagarajinnkarvendhan.hashnode.dev·1d ago · 22 min readSCALING & AUTO SCALING1. What is Scaling? Scaling is the process of adjusting computing resources - such as servers, CPU power, memory, or network bandwidth - to handle changes in application load. The goal is to ensure yo10
SDsanhita dawninscaledojo.hashnode.dev·1d ago · 6 min readWhy Interactive Practice Beats Reading System Design BooksThere's a moment almost every system design candidate hits: you know the vocabulary cold, and then someone says "design a URL shortener" and hands you a marker, and the knowing doesn't transfer. Not b11E
DDayoinjdayo.hashnode.dev·20h ago · 6 min readBuilding a Custom PaaS (Part 1)There is a certain comfort in pushing code to a managed platform like Heroku or Vercel. You run a command, a deployment process kicks off, and a few minutes later, your application is live on a secure00
SDsanhita dawninscaledojo.hashnode.dev·1d ago · 7 min readHLD vs LLD: A Practical Breakdown for Interview PrepI once watched someone absolutely nail a "design Twitter” question-sharding strategy, fan-out on write vs read, the works-and then completely stall five minutes later when asked to sketch the actual c11E
AAAli Asgarinaliasgarmkantawala.hashnode.dev·15h ago · 8 min readHow to Design an Event-Driven Analytics Pipeline — A System Design Deep DiveInterview prep series: real problems, real trade-offs, no hand-waving. The Problem Worth Solving Here's a scenario straight from a fintech startup I worked at. We had field agents responsible for onb00
KNKeerthika Ninkees-learnings.hashnode.dev·1d ago · 2 min readShort polling, Long polling, and Server-side eventsIn this blog, I am going to share my understanding of short polling, long polling and server-side events which I learnt in my system design classes. Polling Polling refers to the process of communicat00
MWMatthew Wisdominbitsofwisdom.hashnode.dev·1d ago · 7 min readState of Affairs: Why Your Code Needs Finite State MachinesI love state machines! If you've ever written a pile of nested if/else statements just to track "what mode is this thing in right now," you've already built a finite state machine. You just didn't cal10
MMaverickinjyanshu.hashnode.dev·19h ago · 7 min readMediator PatternThe Mediator Pattern is a behavioral design pattern that centralizes communication between objects. Instead of objects talking to each other directly (which creates a tangled web of dependencies), the00
