PayPal vs Zenefits Interview Questions
PayPal lists 105 LeetCode interview questions while Zenefits lists 21. They share 6 problems — 6% of PayPal's bank and 29% of Zenefits's. Focus on the overlap first, then drill into 99 PayPal-only and 15 Zenefits-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 6 overlapping problems first. These are the highest-yield questions for candidates interviewing at both PayPal and Zenefits.
Step 2 — Company-specific depth: Add PayPal-specific problems like Zigzag Conversion, Minimum Absolute Difference, Longest Increasing Subsequence and Zenefits-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: Zenefits skews harder in our data. Budget extra time for Hard problems if you are targeting that company.
Difficulty Comparison
Top Shared Topics
6 Shared Questions
High-priority problems to practice for both PayPal and Zenefits.
| Problem | Difficulty |
|---|---|
| LRU Cache | Medium |
| Number of Islands | Medium |
| Valid Parentheses | Easy |
| Trapping Rain Water | Hard |
| Median of Two Sorted Arrays | Hard |
| Course Schedule | Medium |
Unique to PayPal (99)
Problems in PayPal's list that do not appear at Zenefits.
Unique to Zenefits (15)
Problems in Zenefits's list that do not appear at PayPal.
| Problem | Difficulty |
|---|---|
| Graph Valid Tree | Medium |
| Reverse Linked List | Easy |
| Course Schedule II | Medium |
| Generate Parentheses | Medium |
| Min Stack | Medium |
| Majority Element II | Medium |
| Excel Sheet Column Title | Easy |
| Majority Element | Easy |
| Convert Sorted List to Binary Search Tree | Medium |
| Sliding Window Maximum | Hard |
| N-Queens II | Hard |
| Valid Palindrome | Easy |
Frequently Asked Questions
How many LeetCode questions do PayPal and Zenefits share?
PayPal and Zenefits share 6 LeetCode interview questions. 99 problems appear only in PayPal's list and 15 appear only in Zenefits's list.
What topics overlap most between PayPal and Zenefits?
The most common shared topics between PayPal and Zenefits are Array (3 shared questions), Depth-First Search (2 shared questions), Breadth-First Search (2 shared questions), Stack (2 shared questions), Hash Table (1 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: PayPal or Zenefits?
PayPal has 19 Easy, 69 Medium, and 17 Hard questions. Zenefits has 5 Easy, 11 Medium, and 5 Hard questions. Zenefits has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both PayPal and Zenefits?
Start with the 6 shared problems since they cover what both companies ask most often. Then add 20 PayPal-specific and 15 Zenefits-specific questions to round out your prep.