DoorDash Online Assessment Questions

12+ real DoorDash OA questions from candidate reports. Sourced from 1Point3Acres, Blind, Glassdoor, Reddit, and LeetCode. Browse by year to find the most recent data, or view the full OA question set filtered on the main company page.

Browse DoorDash OA by Year

Recent DoorDash OA Sample Questions

DoorDash Analytics Engineer Technical Interview

sql 2026 reddit

Completed last week: I got 5 SQL and 2 Python questions and successfully answered all of them, but I still didn’t move forward to the next round. No idea why—maybe the interviewer just didn’t like me?

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DoorDash | Pune | Software Engineer, Full Stack

system design 2025 leetcode

Hi everyone, I recently went through the following interview rounds: 1. DSA Round (HackerRank): Solved the first array-based question and explained the optimal approach for the second. 2. Hiring Manager Round: Confidently answered...

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DoorDash OA new grad

dynamic programming 2024 leetcode

There are m jobs to schedule on n processors. A schedule is balanced if the difference between the number of jobs scheduled on any two neighboring processors does not...

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DoorDash New Grad SWE OA (USA)

coding other 2024 leetcode

I received this question in the Hackerrank and was able to solve it naively but not able to optimize it. Some of the test cases gave me TLE. Question: A general store...

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DoorDash E4 Technical Phone Screen

easy binary tree 2024 leetcode

Problem: https://leetcode.com/problems/serialize-and-deserialize-binary-tree/solutions/4897216/simple-java-solution-with-93-beats/ +follow up which I didn\'t get to Platform: HackerRank codepair Zoom: Video call (no screen-share) Chances of next round - slim to none Interviewer was a Tech lead from the drive team. Was...

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DoorDash | Virtual Onsite | 4 rounds

easy system design 2022 leetcode

2 rounds of coding interviews - 30 minute break - 1 system design, 1 hiring manager chat Coding round 1: 1 hour Had a modified version of find the nearest coordinate with...

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Doordash OA 2023

binary search 2022 leetcode

Problem 1 Application Deployment Hackerrank developers want to deploy an application on a set of exactly k servers with different vulnerabilities. They have an option to choose the k servers from...

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Doordash onsite (reject)

hard backtracking 2021 leetcode

coding 1: validate sudoku and follow-up solve sudoku. Coudn\'t solve follow-up in time. Made a small error that was causing stackoverflow realized after the interview. coding2: A variation of https://leetcode.com/problems/find-nearest-point-that-has-the-same-x-or-y-coordinate/ Solved...

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Canada | Doordash (Reject) | Dialpad (Reject) | EA (Offer) | Yelp (Offer)

easy other 2021 leetcode

Hi all, just though I\'d give back to the leetcode community by sharing my interview experiences in Canada. I was applying for positions in Canada (Vancouver and Toronto), but most...

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Doordash Onsite | E4 | Bay area | Nov 2021

hard system design 2021 leetcode

Here\'s the whole process - Recruiter reached out on linked in, had a call Screening Round 60 minutes - 5 min Introduction, 45 Coding, 10 min Questions Medium level LC related to string...

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Most Common OA Topics

system design (3) graph (2) sql (1) dynamic programming (1) binary tree (1) binary search (1) backtracking (1)

DoorDash OA Format and Platform

The DoorDash online assessment is delivered through a proctored online platform, most commonly HackerRank. Candidates receive the OA link by email after passing an initial resume review. The coding section typically contains 2 to 3 algorithmic problems with a 70 to 110 minute time limit.

Some DoorDash teams include an additional work simulation section that tests judgment and decision-making rather than coding ability. This section is not present for all roles. Check the LeakCode question database filtered by role type to see what past candidates for your specific role reported.

FAQ

Does DoorDash have an online assessment?

Yes. DoorDash uses an OA as the first technical screen for most engineering and technical roles. It is typically sent after a resume review and before any human interviews. The format has remained consistent across recent hiring cycles.

How hard is the DoorDash OA?

Based on candidate reports, DoorDash OA problems range from LeetCode medium to hard. Expect at least one problem that requires an efficient algorithm (not brute force) to pass all test cases within the time limit.

Where do these OA questions come from?

All questions in the LeakCode database are sourced from actual candidate reports on 1Point3Acres, Blind, Glassdoor, Reddit, and LeetCode. They are not AI-generated. Each question links to its source where the original report is public.

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