Pinterest Interview Questions (2026-2027)

44 questions · 22 experiences · InterviewDB (33) · LeetCode (24) · 1p3a (5) · Reddit (4)

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Pinterest Machine Learning Engineering Internship Online Test Overview

1p3a MLE
Oct 2025 Question

Pinterest Coding 2024, Can't solve using AI either

LeetCode SWE
Mar 2025 Question

Pinterest | Phone Screen | Backend Engineer

LeetCode Backend Los Angeles
Dec 2024 Question

Pinterest | Internship | Dublin | Nov 2024 [Reject]

LeetCode SWE Dublin
Nov 2024 Question

Pinterest + Meta L4 offers - My journey and advice

Reddit Data Eng
Feb 2024 Question

Pinterest | Data Analyst Interview | Reject

LeetCode SWE Los Angeles
Jul 2020 Question

#322 Coin Change

LeetCode SWE
Question

#1244 Design A Leaderboard

LeetCode SWE
Question

#465 Optimal Account Balancing

LeetCode SWE
Question

#410 Split Array Largest Sum

LeetCode SWE
Question

#1723 Find Minimum Time to Finish All Jobs

LeetCode SWE
Question

Pinterest SWE Phone - Algebraic Target

InterviewDB
Question

Bill Splitting - Compute Minimum Transactions to Settle Shared Expenses

InterviewDB
Question

Board Classification - ML Model to Classify Pinterest Board Topics

InterviewDB
Question

Boards and Pins - Design a Pinterest-like Save and Retrieval System

InterviewDB
Question

Candidate Dominance Count - Count Points Not Dominated by Any Other

InterviewDB
Question

Pinterest SWE Phone - Count Connected Pixels

InterviewDB
Question

Count Engagements - Aggregate User Interaction Events Within Time Windows

InterviewDB
Question

Pinterest SWE Phone - Customer Service Time

InterviewDB
Question

Pinterest SWE Phone - Delayed Queue

InterviewDB
Question

Pinterest SWE Phone - Duplicates Grouping

InterviewDB
Question

Elevators - Simulate and Optimize Elevator Scheduling

InterviewDB
Question

Pinterest SWE Phone - First String With Prefix

InterviewDB
Question

Geographic Advertiser Access Control - Region-Based Permission Filtering

InterviewDB
Question

Hiking Trail - Find Optimal Path Under Elevation and Distance Constraints

InterviewDB
Question
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