System Design Interview
guides and free resources

If you’re preparing for a Pinterest system design interview, you’re not just brushing up on generic distributed systems concepts; you’re stepping into a design challenge rooted in one of the...

If you’re preparing for a LinkedIn system design interview, you’re stepping into the world of one of the largest professional networks ever built. With over 1 billion members, billions of...

When candidates think about system design interview prep, they often picture scenarios involving designing a generic social media feed or building a distributed file storage system. But when it comes...

If you’re preparing for a Snowflake system design interview, you’re stepping into one of the most specialized and high-impact areas of modern system architecture: designing at the intersection of cloud...

The Airbnb system design interview is one of the most interesting and challenging rounds you’ll face as a software engineering candidate. Unlike a pure coding challenge that focuses on algorithms...

The PayPal system design interview stands apart from most big tech design rounds because it’s deeply rooted in the realities of building and maintaining a global-scale financial infrastructure. While many...