pawankalyan.hashnode.devBest and Easiest Tech Stacks to Learn for Getting a Job in 2025Looking for your first tech job in 2025? Picking the right tech stack can make everything much easier. This guide isn’t about trendy buzzwords or what “experts” say you’ll find honest facts, real-world advice, and step-by-step guidance for beginners ...Oct 22, 2025·4 min read
pawankalyan.hashnode.devConcurrency vs Parallelism: How Modern Systems Handle Thousands of API Requests1. Introduction Brief definition of concurrency and parallelism. Importance in modern computing (web servers, APIs, cloud systems). How does Netflix stream to millions or Twitter handle millions of tweets instantly? 2. Concurrency vs Parallelis...Oct 21, 2025·2 min read
