DoorDash

DoorDash Software Engineer System Design Questions

10+ questions from real DoorDash Software Engineer System Design rounds, reported by candidates who interviewed there.

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What does the DoorDash System Design round test?

The DoorDash system design round assesses a candidate's ability to architect scalable systems. Software Engineer candidates are typically asked to design a large-scale service or platform from scratch, covering database choices, API design, scaling strategy, and failure modes.

Top Topics in This Round

DoorDash Software Engineer System Design Questions

For doordash, the code craft interview is a bit tricky and different. But luckily it has a small question bank and I think only 2 questions so I was able to practice both of those questions on a websi

**Problem Statement** The platform currently lacks granular, high-quality user-generated content regarding specific menu items, relying instead on broad restaurant-level ratings which fail to highligh

Maximum Path Quality of a Graph - Search Suggestion System \t- Their constructor also takes k and search returns top k results. \t- Your search results should contain the prefix, don\'t...

Coding 1&2: all questions are tagged or have been posted on leetcode discussion Was able to finish the main problem + followup for both questions. For one of the questions,...

DoorDash E5 December 2024

System Design 2024

Onsite : 4 interviews 1. System Design Design a Review and Reward system for DD User/Customer should be able to post review for a particular item within a menu for...

Final Round Virtual Onsite with DoorDash L5 1. System Design - I think I did great 2. Behavioral with hiring manager - I did not feel I did bad 3. Coding -...

DoorDash interview experience (Offer Received) DoorDash Telephonic Interview \t - Name : V** Ra* \t - Coding question : \xA0 Engineer is given the opening and closing hours of the store (in the...

Screening Interview: a variant of max binary tree path sum: https://leetcode.com/problems/binary-tree-maximum-path-sum/description/. The difference was the paths could only start and end at leaves and the follow-up question was to get...

I was asked a problem that needed to output differences in an n-ary graph and output as a count. I was able to solve it by doing preprocessing of recording...

Doordash - reject

System Design 2021

Had a VO with Doordash recently 1. coding - doordash tag question 60 mins 2. system design + domain knowlegde 75 mins 3. break 30 mins 4. coding - BFS problem 60 mins 5. break...

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