Keshav Suman's Engineering BlogEngineering insights on React, Node.js, distributed systems, startup technology, and tech leadership by Keshav Suman — CTO at The Localstreet.https://keshavsuman.com/en-inBuilding Scalable E-commerce Architecture: Lessons from The Localstreethttps://keshavsuman.com/blog/building-scalable-ecommerce-architecture/https://keshavsuman.com/blog/building-scalable-ecommerce-architecture/How we scaled The Localstreet from a single-server Node.js app to a distributed system handling 5,000+ vendors and thousands of daily orders — without breaking the bank.Tue, 10 Dec 2024 00:00:00 GMTArchitectureNode.jsMongoDBRedisScalingFrom Developer to CTO: What Nobody Tells You About the Transitionhttps://keshavsuman.com/blog/from-developer-to-cto-leadership-journey/https://keshavsuman.com/blog/from-developer-to-cto-leadership-journey/I went from writing code every day to running an engineering organisation. The shift was harder than any technical problem I've solved. Here's what I wish someone had told me.Mon, 18 Nov 2024 00:00:00 GMTLeadershipCTOCareerEngineering ManagementThe Future of Hyperlocal Commerce in India: A CTO's Perspectivehttps://keshavsuman.com/blog/the-future-of-hyperlocal-commerce-in-india/https://keshavsuman.com/blog/the-future-of-hyperlocal-commerce-in-india/India has 63 million small businesses. Less than 10% are online. The infrastructure to change that is finally here — and it's more interesting than anyone is talking about.Sat, 05 Oct 2024 00:00:00 GMTStartupIndiaE-commerceTechnologyReact Performance Optimization: Techniques That Actually Move the Needlehttps://keshavsuman.com/blog/react-performance-optimization-techniques/https://keshavsuman.com/blog/react-performance-optimization-techniques/Most React performance guides tell you to add useMemo everywhere. That's wrong. Here are the techniques that actually improved our app's performance with measurable results.Sun, 22 Sep 2024 00:00:00 GMTReactPerformanceFrontendTypeScriptDesigning Real-time Systems: WebSockets, SSE, and Knowing Which to Usehttps://keshavsuman.com/blog/designing-realtime-systems-with-websockets/https://keshavsuman.com/blog/designing-realtime-systems-with-websockets/Real-time features are everywhere — chat, notifications, live dashboards. Here's the architecture behind Localstreet's real-time systems and the decision framework we use.Wed, 14 Aug 2024 00:00:00 GMTArchitectureWebSocketsNode.jsReal-timeRedisBuilding Effective Engineering Teams: What I've Learned Hiring and Managing at a Startuphttps://keshavsuman.com/blog/building-effective-engineering-teams/https://keshavsuman.com/blog/building-effective-engineering-teams/Small engineering teams can build extraordinary things. They can also implode. Here's the team-building playbook I've developed running engineering at The Localstreet.Mon, 08 Jul 2024 00:00:00 GMTLeadershipEngineering ManagementHiringTeam Building