Process
It was a pretty straightforward process.
One medium to hard LeetCode question and a few Machine Learning trivia questions.
The interviewer was kind, but I did not expect the LeetCode question to be this complex for an MLE.
Questions
Maximum increasing subsequence in a binary tree. Not sorted.
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Interview Statistics
The following metrics were computed from 23 interview experiences for the Pinterest Machine Learning Engineer role in United States.
Success Rate
4%
Pass Rate
Pinterest's interview process for their Machine Learning Engineer roles in the United States is extremely selective, failing the vast majority of engineers.
Experience Rating
Positive39%
Neutral35%
Negative26%
Candidates reported having good feelings for Pinterest's Machine Learning Engineer interview process in United States.
Pinterest Work Experiences
5.0
Great engineering team, goal-driven
Machine Learning Engineer • Current Employee
San Francisco, California, United States
April 26, 2024
Pros: Most people at Pinterest are top of their class and pretty good in their job. Execution quality is top notch since Ready took over.
Cons: We still have room to increase the quality of our senior leadership.
5.0
Great culture and people, but uncertain direction
Machine Learning Engineer • Current Employee
New York, NY
May 26, 2026
Pros: Great culture, great people, remote-first.
Cons: I am not entirely sure where the company is headed.
4.0
Good Pay, Too Much Politics
Machine Learning Engineer • Current Employee
Seattle, Washington, United States
December 30, 2024
Pros: - Good compensation
- Remote-friendly
Cons: - Lots of politics
- Too many useless managements
- 5.0Great engineering team, goal-drivenMachine Learning Engineer • Current EmployeeSan Francisco, California, United StatesApril 26, 2024Pros: Most people at Pinterest are top of their class and pretty good in their job. Execution quality is top notch since Ready took over.Cons: We still have room to increase the quality of our senior leadership.
- 5.0Great culture and people, but uncertain directionMachine Learning Engineer • Current EmployeeNew York, NYMay 26, 2026Pros: Great culture, great people, remote-first.Cons: I am not entirely sure where the company is headed.
- 4.0Good Pay, Too Much PoliticsMachine Learning Engineer • Current EmployeeSeattle, Washington, United StatesDecember 30, 2024Pros: - Good compensation - Remote-friendlyCons: - Lots of politics - Too many useless managements
Pinterest Interview Questions
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