Situation - DoorDash interacts with several vendors that supply several different products - DoorDash is seeing high "purchase price varience" (PPV) with many of these vendors Ask - Identify strategies for increasing vendor price accuracy - Develop system for capturing vendor complexities in an organized manner ○ Create signals alerting team of price discrepancies - Create roadmap for optimizing vendor operations to mitigate price discrepancies in the future
Presented with scenario X, “which method is being applied?” Not expected to recite definitions, but can you identify which is appropriate and why did you choose it? Can you communicate that?
Online Assessment with 3 coding problems. Data frames, Tree and two pointers.
Case study of transportation metrics, adding service in Astoria, Queens. all the same ones you've seen on here
Please describe a difficult customer interaction and how you handled it.
Cognify: Game-based assessment. You have to play 5 types of games which generally takes about 30 min to complete. Hackerrank Assessment: Was given 2 questions to solve with a total time of 3 hours but they generally expect you to solve it within 2 hours. 1st question was an SQL query for a telephone billing company, where you had to fetch the name of client with his/her incoming minutes, outgoing minutes and total charges based on some formula. 2nd question was a Python program asking to perform some statistical operations to be performed on a dataset involving combinations.
Tell me about your experience with ETL?
Tell me about a time when you changed someone's mind
It was mostly SQL questions on joins and windowing functions
What do you see yourself in five years
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