Muhammad Shahab

As you prepare for modern system design interviews, you will notice that expectations have evolved beyond traditional backend systems. Companies are now building AI-powered products that require coordination between multiple

When you start preparing for system design interviews, you quickly realize that some problems appear repeatedly because they reflect real-world engineering challenges. Fraud detection is one of those problems, as

Google Meet System Design appears frequently in System Design interviews because it represents one of the hardest categories of distributed systems to build correctly: real-time communication. When interviewers choose this

Google Translate System Design shows up in interviews because it sits at the intersection of distributed systems and machine learning, which is exactly where many modern production systems live. When

Google Analytics System Design appears frequently in System Design interviews because it represents a class of problems every large technology company has to solve, whether they build analytics products directly

If you have ever wondered why the Google Ads System Design shows up so often in interviews, the answer is simple. It compresses almost every hard systems concept into a

Google Pay System Design is a common interview question because payment systems represent one of the hardest categories of distributed systems to get right. When money is involved, mistakes are

Caching appears in almost every serious System Design interview, regardless of the problem domain. Whether you are designing a social media feed, an e-commerce platform, a search engine, or a

When an interviewer asks you to design a pub sub system, they are not asking you to recreate Kafka, RabbitMQ, or Google Pub/Sub feature by feature. They are testing whether

When an interviewer asks you to design an API system, they are not asking you to define endpoints or write request schemas. They are evaluating whether you can design a