DoorDash vs Josh Technology Interview Questions
DoorDash lists 78 LeetCode interview questions while Josh Technology lists 35. They share 3 problems — 4% of DoorDash's bank and 9% of Josh Technology's. Focus on the overlap first, then drill into 75 DoorDash-only and 32 Josh Technology-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 3 overlapping problems first. These are the highest-yield questions for candidates interviewing at both DoorDash and Josh Technology.
Step 2 — Company-specific depth: Add DoorDash-specific problems like Walls and Gates, Longest Increasing Path in a Matrix, Binary Tree Maximum Path Sum and Josh Technology-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: DoorDash skews harder in our data. Budget extra time for Hard problems if you are targeting that company.
Difficulty Comparison
Top Shared Topics
3 Shared Questions
High-priority problems to practice for both DoorDash and Josh Technology.
| Problem | Difficulty |
|---|---|
| Koko Eating Bananas | Medium |
| Largest Rectangle in Histogram | Hard |
| Group Anagrams | Medium |
Unique to DoorDash (75)
Problems in DoorDash's list that do not appear at Josh Technology.
Unique to Josh Technology (32)
Problems in Josh Technology's list that do not appear at DoorDash.
| Problem | Difficulty |
|---|---|
| Largest Number | Medium |
| Move Zeroes | Easy |
| Reverse Nodes in Even Length Groups | Medium |
| Maximum Twin Sum of a Linked List | Medium |
| Spiral Matrix | Medium |
| Count Good Nodes in Binary Tree | Medium |
| Reverse Odd Levels of Binary Tree | Medium |
| Delete Leaves With a Given Value | Medium |
| Find Bottom Left Tree Value | Medium |
| Merge Nodes in Between Zeros | Medium |
| Minimum Swaps to Group All 1's Together II | Medium |
| Count Pairs Whose Sum is Less than Target | Easy |
Frequently Asked Questions
How many LeetCode questions do DoorDash and Josh Technology share?
DoorDash and Josh Technology share 3 LeetCode interview questions. 75 problems appear only in DoorDash's list and 32 appear only in Josh Technology's list.
What topics overlap most between DoorDash and Josh Technology?
The most common shared topics between DoorDash and Josh Technology are Array (3 shared questions), Binary Search (1 shared questions), Stack (1 shared questions), Monotonic Stack (1 shared questions), Hash Table (1 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: DoorDash or Josh Technology?
DoorDash has 7 Easy, 45 Medium, and 26 Hard questions. Josh Technology has 8 Easy, 24 Medium, and 3 Hard questions. DoorDash has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both DoorDash and Josh Technology?
Start with the 3 shared problems since they cover what both companies ask most often. Then add 20 DoorDash-specific and 20 Josh Technology-specific questions to round out your prep.