DoorDash Interview Questions and Guide
Practical problems tied to logistics — dispatch, ETAs, order state machines — and a debugging round.
The DoorDash interview loop
- Recruiter screen
- Technical screen
- Onsite: coding, system design, debugging, behavioral
DoorDash interview questions
- Design Uber
- Design a Notification System
- Design Yelp (Proximity Search)
- Design Google Maps
- Design DoorDash (Food Delivery)
- Design Tinder
- 132 Pattern
- Basic Calculator III
- Rotting Oranges (Multi-source BFS)
- Walls and Gates
- Shortest Distance from All Buildings
- K Closest Points to Origin
- Minimum Eating Speed
- Capacity to Ship Packages Within D Days
- Number of Islands
- Number of Provinces (Connected Components)
- City With the Fewest Reachable Neighbors (Floyd–Warshall)
- Course Schedule II
- Max Area of Island
- Maximum Profit in Job Scheduling
- Longest Increasing Path in a Matrix
- Sudoku Solver
- Interval List Intersections
- Meeting Scheduler
- Design In-Memory File System
- Design File System
- Design a Food Delivery Order Assignment System
- Tell me about a time you had to meet a tight deadline
- Tell me about a time you took ownership beyond your role
- Tell me about a decision you made with incomplete information
- How do you prioritize competing demands?
- Tell me about a production incident you handled
- Tell me about a time you went above and beyond for a customer
- Tell me about a time you did more with less
- Tell me about a time you delivered despite a major setback