System design interview question
"Design Airbnb. Hosts list properties with their own availability calendars, pricing rules, and house rules; guests search by location and dates and book. Unlike a hotel, every listing is unique — there is exactly one of each — and hosts can decline a request. 7 million listings."
a two-sided marketplace with unit inventory, which differs from hotels in a specific way: there is exactly one of each listing, so there is no overbooking, no room-type abstraction, and a single booking removes the listing entirely for those dates. The distinguishing content is: geospatial search filtered by availability, host-controlled calendars and rules, and the instant-book versus request-to-book split.
On Practick another engineer interviews you live for 60 minutes on a question from this bank. They have the full interviewer guide beside the call: the answers to your clarifying questions, the numbers to hand out, a ladder of follow-ups and a scoring rubric. You get the model solution once the session settles. It is free: interview someone for an hour and you have earned your own.
Book a free mock interviewAll 132 system design interview questions
System design mock interviews · DSA interview questions · Free mock interview practice · Browse interviewers · Sign in