Sumit Mehrotra

When you start learning System Design, availability and consistency often feel like abstract theoretical concepts, but they quickly become very real when you begin designing distributed systems. The moment your

When you first encounter the term scalability in System Design, it often feels like a buzzword that gets thrown around in interviews and architecture discussions without much clarity. In reality,

When you walk into a System Design interview, you are rarely asked to start with implementation details. Instead, you are expected to begin with a high-level architecture, because this is

If you look at how AI systems are evolving today, you will notice that building models is no longer the hardest part. The real challenge is evaluating whether those models

If you have been preparing for System Design interviews recently, you have likely noticed a shift toward machine learning–related questions. Companies are no longer satisfied with candidates who can only

If you prepare for System Design interviews at top companies, you will notice that A/B testing System Design comes up more often than expected. This is because it sits at

If you think about the products you use every day, from Google to Amazon to YouTube, one thing becomes clear very quickly. The quality of the search results often determines

If you have been following recent System Design trends, you have likely noticed that AI safety is no longer treated as an afterthought. As AI systems become more integrated into

If you have spent time preparing for machine learning interviews, you might have noticed that the focus is no longer limited to building models. Interviewers are increasingly interested in how

If you have been preparing for System Design interviews over the past few years, you have probably noticed a subtle but important shift. Interviewers are no longer satisfied with answers