PayPal vs ServiceNow Interview Questions
PayPal lists 105 LeetCode interview questions while ServiceNow lists 71. They share 29 problems — 28% of PayPal's bank and 41% of ServiceNow's. Focus on the overlap first, then drill into 76 PayPal-only and 42 ServiceNow-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 29 overlapping problems first. These are the highest-yield questions for candidates interviewing at both PayPal and ServiceNow.
Step 2 — Company-specific depth: Add PayPal-specific problems like Minimum Absolute Difference, Longest Increasing Subsequence, Count Vowel Strings in Ranges and ServiceNow-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: ServiceNow skews harder in our data. Budget extra time for Hard problems if you are targeting that company.
Difficulty Comparison
Top Shared Topics
29 Shared Questions
High-priority problems to practice for both PayPal and ServiceNow.
| Problem | Difficulty |
|---|---|
| Zigzag Conversion | Medium |
| LRU Cache | Medium |
| Time Needed to Rearrange a Binary String | Medium |
| Number of Islands | Medium |
| Coin Change | Medium |
| Two Sum | Easy |
| Merge Intervals | Medium |
| Group Anagrams | Medium |
| Longest Substring Without Repeating Characters | Medium |
| Best Time to Buy and Sell Stock | Easy |
| Maximum Subarray | Medium |
| Asteroid Collision | Medium |
| Top K Frequent Elements | Medium |
| Subarray Sum Equals K | Medium |
| Find Peak Element | Medium |
| Container With Most Water | Medium |
| Valid Parentheses | Easy |
| LFU Cache | Hard |
| Trapping Rain Water | Hard |
| Sort Colors | Medium |
| Kth Largest Element in an Array | Medium |
| Minimum Number of Swaps to Make the String Balanced | Medium |
| Median of Two Sorted Arrays | Hard |
| First Missing Positive | Hard |
| Move Zeroes | Easy |
| Rotting Oranges | Medium |
| Longest Palindromic Substring | Medium |
| Combination Sum | Medium |
| Maximum Product Subarray | Medium |
Unique to PayPal (76)
Problems in PayPal's list that do not appear at ServiceNow.
Unique to ServiceNow (42)
Problems in ServiceNow's list that do not appear at PayPal.
Frequently Asked Questions
How many LeetCode questions do PayPal and ServiceNow share?
PayPal and ServiceNow share 29 LeetCode interview questions. 76 problems appear only in PayPal's list and 42 appear only in ServiceNow's list.
What topics overlap most between PayPal and ServiceNow?
The most common shared topics between PayPal and ServiceNow are Array (21 shared questions), Hash Table (8 shared questions), String (7 shared questions), Dynamic Programming (7 shared questions), Two Pointers (6 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: PayPal or ServiceNow?
PayPal has 19 Easy, 69 Medium, and 17 Hard questions. ServiceNow has 7 Easy, 51 Medium, and 13 Hard questions. ServiceNow has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both PayPal and ServiceNow?
Start with the 29 shared problems since they cover what both companies ask most often. Then add 20 PayPal-specific and 20 ServiceNow-specific questions to round out your prep.