RSRaghav Shuklainblog.raghavdev.in·4m ago · 10 min readBuilding an Event-Driven Payment System That Survived ~1 Million RequestsMost payment APIs work fine at low traffic. Then you throw a few thousand concurrent requests at them and everything gets interesting. Client retries turn into duplicate payments. Postgres starts cont00
RSRaghav Shuklainblog.raghavdev.in·Nov 26, 2025 · 5 min readUnderstanding the Core Concepts of AI: Part 1I've been working as a software engineer at a startup for quite some time, and now I'm excited to move into the AI field. There are so many topics to explore, and it can feel overwhelming. To make it easier, I started by learning the basics of Large ...00
RSRaghav Shuklainblog.raghavdev.in·Aug 26, 2025 · 16 min readSystem Design 101 : Scale from Zero to Millions of UsersIn the past three years, I’ve mostly worked with startups, and the common approach was always “build fast, optimize later.” It definitely helped us move quickly, but when the user base started growing, we ran into scaling issues that were tough to ha...00
RSRaghav Shuklainblog.raghavdev.in·May 18, 2025 · 3 min readHow GZIP Compression Made My Spring Boot App 80% LighterRecently, while working on my Spring Boot backend, I stumbled on one of those optimizations that gives huge results for minimal effort: GZIP compression. No complex setups. No code changes. Just a few config tweaks and boom—API payloads dropped by 80...00
RSRaghav Shuklainblog.raghavdev.in·Oct 17, 2024 · 3 min readReddit Backend Project Using Microservice ArchitectureWhat are Microservices Microservices represent a software architecture approach where a complex application is built as a collection of small, independent services, each running in its process and communicating with others through well-defined APIs. ...00
