Pinterest interview questions

35 questions14 coding5 system design16 behavioral4 freeUpdated

This is every question in the Pinterest guide, in one list: 14 coding problems, 5 system designs and 16 behavioral questions, drawn from what candidates report about Pinterest interviews.

Each row shows the round it comes from and links to the lesson that works through it. 4 are free to read in full. The other 31 are Premium, and here you still see their round, difficulty and topic, so you know what you're walking into.

Pinterest coding interview questions

14 problems, in the order the guide teaches them. Each lesson gives the full problem, a worked solution and the follow-ups interviewers tend to add.

1Top Pins by Engagement: Kth Largest ElementFreeMediumHeaps & Top-K
2Running Median Engagement: Median from a Data StreamFreeHardHeaps & Top-K
3Pin Refresh Scheduler: Task SchedulerFreeMediumHeaps & Top-K
4Premium medium problemMediumIntervals & Sorting
5Premium medium problemMediumIntervals & Sorting
6Premium medium problemMediumIntervals & Sorting
7Premium hard problemHardArrays, Strings & Hashing
8Premium medium problemMediumArrays, Strings & Hashing
9Premium medium problemMediumArrays, Strings & Hashing
10Premium medium problemMediumArrays, Strings & Hashing
11Premium hard problemHardTrees & Graphs
12Premium medium problemMediumTrees & Graphs
13Premium hard problemHardTrees & Graphs
14Premium medium problemMediumTrees & Graphs

Pinterest system design interview questions

5 designs, each worked end to end in its own lesson, from requirements to the architecture and its trade-offs.

#Question
1Design the Home FeedFree
2Design Visual Search (Premium)
3Design Related Pins (Premium)
4Design an ML Ranking System (Premium)
5Design Notifications (Premium)

A lock means the design is named here and its walkthrough is Premium.

Pinterest behavioral interview questions

16 questions, grouped by what the interviewer is testing. The lesson explains why each one gets asked and what a strong answer covers.

Why Pinterest (3)

All 3 are Premium

Pinner empathy (2)

All 2 are Premium

Cross-functional collaboration & conflict (3)

All 3 are Premium

Ownership & impact (2)

All 2 are Premium

Mistakes & learning (2)

All 2 are Premium

Craft & raising the bar (2)

All 2 are Premium

Inclusion & belonging (2)

All 2 are Premium

Read the Pinterest behavioral questions

See all 35 Pinterest questions by name

Premium opens the 31 locked questions on this page, each with the full prompt and a worked answer, and every other lesson in all 100 company guides.

Common questions

How many questions are in the Pinterest interview guide?

35: 14 coding problems, 5 system designs and 16 behavioral questions. The guide was last updated in November 2026.

Which rounds do these Pinterest interview questions come from?

All 14 coding problems come from the coding rounds. The 5 system designs and 16 behavioral questions come from the system design and behavioral rounds. Every row in the list carries its round, so you can start with the one you have booked.

Which Pinterest interview questions are free?

4 of the 35 are free to read in full, marked Free in the list. The other 31 come with Premium, which also opens all 100 company guides.