DoorDash product manager interviews test product strategy, prioritisation frameworks, metrics design, A/B testing, and cross-functional collaboration.
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coding
Medium
Verified Question
#1
1. Code Craft - Bootstrap API
Category: String coding problem# Question You are tasked with implementing a Bootstrap API that aggregates data from multiple services for a given user. Given a
userId, you...Input: StringOutput: Computed result
coding
Hard
Verified Question
#2
2. Code Craft - Driver Payment System
Category: Algorithm coding problem# Question You are in charge of implementing the Dasher payment model. Given the sequence of accepted/fulfilled order activities from a given dasher...Input: List
Output: Computed result
coding
Medium
Verified Question
#3
3. Find Closest Dasher
Category: Algorithm coding problem# Question You are given an
m × n board representing a delivery area. The board contains: - 'X' - blockers (obstacles) - 'D' - DashMarts...Input: ListOutput: Integer
coding
Medium
Verified Question
#4
4. Find Menu Changes
Category: Tree coding problem# Question You are given two tree structures representing an old menu and a new menu. Each tree node has: -
key: identifier for the menu...Input: ListOutput: Computed result
system design
Hard
Verified Question
#5
5. Top 8 Doordash System Design Questions Jan 2026
Category: Linked list system design problem# System Design Questions - DoorDash These are the commonly asked system design questions from DoorDash interviews. Updated January 2026.Input: Linked list
Output: Computed result
coding
Medium
Verified Question
#6
6. Location Index
Category: Graph coding problemImplement a
LocationIndex class that stores a set of named points on a 2D grid. The constructor takes three arrays: names (list of location name...Input: 2D gridOutput: Computed result
coding
Medium
Verified Question
#7
7. Covered Service Zones
Category: Algorithm coding problemYou are given two binary
m x n matrices: coverage and demand. A cell in demand is active if its value is 1. Active cells that are...Input: Number(s)Output: Integer
coding
Hard
Verified Question
#8
8. Wildcard Segment Counter
Category: String coding problemYou are given a
template string consisting only of the characters '0', '1', and '?', and a list of integers run_lengths. A '?' in the...Input: Array of integersOutput: Computed result
coding
Medium
Verified Question
#9
9. Peak Value Processing Order
Category: Algorithm coding problemYou are given a list of unique integers
values. At each step, identify all eligible values: a value is eligible if it is strictly greater than...Input: ListOutput: Computed result
coding
Hard
Verified Question
#10
10. Directory Registry
Category: Tree coding problemImplement a
DirectoryRegistry class that manages a hierarchical key-value store modeled as a tree of paths. The root path "/" always exists with...Input: StringOutput: Computed result
coding
Hard
Verified Question
#11
11. Ride Earnings Calculator
Category: String coding problemYou are given
records, a list of ride events. Each record is a list of three strings: [ride_id, timestamp, status]. Possible statuses are...Input: ListOutput: Computed result
coding
Medium
Verified Question
#12
12. Meeting Slot Generator
Category: Interval-based coding problemGiven a
start time and an end time, generate all meeting check-in slots at 5-minute intervals after start up to and including end. The...Input: ListOutput: Computed result
coding
Medium
Verified Question
#13
13. Catalog Tree Diff Counter
Category: Tree coding problemYou are given two n-ary trees representing an old and a new version of a product catalog. Each node in the tree has the following fields: -
key...Input: ListOutput: Computed result
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