ServiceNow vs Zenefits Interview Questions
ServiceNow lists 71 LeetCode interview questions while Zenefits lists 21. They share 8 problems — 11% of ServiceNow's bank and 38% of Zenefits's. Focus on the overlap first, then drill into 63 ServiceNow-only and 13 Zenefits-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 8 overlapping problems first. These are the highest-yield questions for candidates interviewing at both ServiceNow and Zenefits.
Step 2 — Company-specific depth: Add ServiceNow-specific problems like Longest Substring Without Repeating Characters, Number of Distinct Roll Sequences, Lexicographically Smallest String After Operations With Constraint 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
8 Shared Questions
High-priority problems to practice for both ServiceNow and Zenefits.
| Problem | Difficulty |
|---|---|
| LRU Cache | Medium |
| Trapping Rain Water | Hard |
| Number of Islands | Medium |
| Generate Parentheses | Medium |
| Valid Parentheses | Easy |
| Sliding Window Maximum | Hard |
| Median of Two Sorted Arrays | Hard |
| Reverse Linked List | Easy |
Unique to ServiceNow (63)
Problems in ServiceNow's list that do not appear at Zenefits.
Unique to Zenefits (13)
Problems in Zenefits's list that do not appear at ServiceNow.
| Problem | Difficulty |
|---|---|
| Graph Valid Tree | Medium |
| Course Schedule | Medium |
| Course Schedule II | Medium |
| Min Stack | Medium |
| Majority Element II | Medium |
| Excel Sheet Column Title | Easy |
| Majority Element | Easy |
| Convert Sorted List to Binary Search Tree | Medium |
| N-Queens II | Hard |
| Valid Palindrome | Easy |
| Flatten 2D Vector | Medium |
| Shortest Distance from All Buildings | Hard |
Frequently Asked Questions
How many LeetCode questions do ServiceNow and Zenefits share?
ServiceNow and Zenefits share 8 LeetCode interview questions. 63 problems appear only in ServiceNow's list and 13 appear only in Zenefits's list.
What topics overlap most between ServiceNow and Zenefits?
The most common shared topics between ServiceNow and Zenefits are Array (4 shared questions), Linked List (2 shared questions), Dynamic Programming (2 shared questions), Stack (2 shared questions), String (2 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: ServiceNow or Zenefits?
ServiceNow has 7 Easy, 51 Medium, and 13 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 ServiceNow and Zenefits?
Start with the 8 shared problems since they cover what both companies ask most often. Then add 20 ServiceNow-specific and 13 Zenefits-specific questions to round out your prep.