VPVijoy Paulinblog.vijoypaul.com·1d ago · 10 min readHow I Reduced API Response Time by 40% Using Redis Caching in Node.js A few months back, I started getting Slack messages that every backend engineer dreads: "hey, is the app slow for anyone else?" Nothing was down. No errors in the logs. Just... sluggish. Pages that us10
MMMihai Marinescuinfeaturingcode.com·23h ago · 15 min readNew react callbacks memoization patternHow to stabilise a memo component when everything else fails memo looks simple until you wrap a component in it and it re-renders anyway. So here is the question underneath this whole pattern: How do 00
DUDigital Uniconindigitalunicon.hashnode.dev·Jun 13 · 14 min readCaching Strategies Explained for Developers: A Practical Guide to Faster ApplicationsEvery millisecond matters in production. Users abandon pages that take longer than three seconds to load. APIs that buckle under load cost companies revenue and reputation. And yet, a surprising numbe00
WTWade Thomasinblog.northernrangedigital.com·Jun 10 · 4 min readWhat is Redis? The In-Memory Data Store That Makes Your App Faster🎬 This article is a companion to my YouTube video. Watch it here: https://www.youtube.com/watch?v=e3KNJr1ATv8 Introduction In this video we are going to talk about Redis — what it is, what it does00
JCJuan Carlos Gonzalez Cabreroinmalkomich.hashnode.dev·Jun 9 · 15 min readBuilding Resilient Integrations: Designing External API Layers for FailureExternal services will fail. The usual mistake is to treat the external service as if it were part of your own codebase. It is not. A third party can change behavior, return malformed data, or fail at00
Ggeezxoeyyindata-is-king.hashnode.dev·Jun 4 · 6 min readYou Book a Cab in 3 Seconds. Ola Runs Hundreds of Systems.Most people think booking a cab is one of the simplest things they do every day. Open the app. Enter a destination. Tap Book Ride. Wait for a driver. Done. But behind that single tap lies one of the m00
SKSanjeev Kujurinsanjeevsaniel.hashnode.dev·May 31 · 15 min readHow Instagram Stores Reels, Photos, and Drafts Behind the ScenesMobile Development · React Native Think about the last time you recorded a Reel. You pointed your phone at something, tapped the big red button, filmed a few seconds, maybe added a song — then either00
ASArjun Saxenainarjun-dev.hashnode.dev·May 30 · 7 min readHow Instagram Stores Reels, Photos, and Drafts Behind the ScenesHave you ever recorded a Reel on Instagram, spent several minutes editing it, and then decided to save it as a draft instead of posting it immediately? You close the app, come back a few hours later, 00
BBeckyinbeckybuilds.hashnode.dev·May 29 · 17 min readScaling QPS 10x in Production: 3 Strategies That Actually Move the Needle"Make it faster" sounds like a vague mandate. It isn't. Performance work turns out to be one of the most learnable parts of backend engineering, because it almost always comes down to the same three m00
ASAkshansh Singhinblog.akshanshsingh.com·May 27 · 11 min readLeveling Up My Spring Boot App — Caching, Logging, and Writing Code That Doesn't Embarrass Future MeLast week I wrote about building the Time Capsule app — the what, the how, the things that broke. This week I went back into the same codebase and added two things I'd been putting off: caching and st00