Completed a 12 hour coding challenge, followed by two rounds of phone screen interviews. The first one was easier and the second and final round of interviews was a harder question. The phone screens were pretty typical, but the coding challenge had a question where you had to incorporate Pinterest API into you solution.
I applied online. I interviewed at Pinterest (San Francisco, CA)
Interview
Hard leetcode dynamic programming depth first search problem for the technical that I could only get the brute force solution for. People were really nice though and the process was smooth
Overall experience was neutral. Got an online assessment, finished it the next day. Did not hear back from them for 3 months. All of the test cases passed for the OA.
I applied online. The process took 4 weeks. I interviewed at Pinterest (San Francisco, CA) in Oct 2025
Interview
Applied online having attended a summer webinar -> CodeSignal OA -> Phone Screen -> Technical Interview
Process from CodeSignal to offer took about 1 month, overall pretty quick turnarounds to progress
Interview questions [1]
Question 1
Hashing-type question with emphasis on time and space complexities