DocuSign vs Zeta Interview Questions
DocuSign lists 36 LeetCode interview questions while Zeta lists 30. They share 6 problems — 17% of DocuSign's bank and 20% of Zeta's. Focus on the overlap first, then drill into 30 DocuSign-only and 24 Zeta-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 DocuSign and Zeta.
Step 2 — Company-specific depth: Add DocuSign-specific problems like Design Authentication Manager, Count Non Decreasing Arrays With Given Digit Sums, Implement Trie (Prefix Tree) and Zeta-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: Zeta 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 DocuSign and Zeta.
| Problem | Difficulty |
|---|---|
| Merge Intervals | Medium |
| Insert Delete GetRandom O(1) | Medium |
| Longest Substring Without Repeating Characters | Medium |
| Trapping Rain Water | Hard |
| Task Scheduler | Medium |
| Find All Possible Recipes from Given Supplies | Medium |
Unique to DocuSign (30)
Problems in DocuSign's list that do not appear at Zeta.
| Problem | Difficulty |
|---|---|
| Design Authentication Manager | Medium |
| Count Non Decreasing Arrays With Given Digit Sums | Hard |
| Implement Trie (Prefix Tree) | Medium |
| Find Maximum Area of a Triangle | Medium |
| LRU Cache | Medium |
| Search Suggestions System | Medium |
| Find Median from Data Stream | Hard |
| Inorder Successor in BST | Medium |
| Integer to Roman | Medium |
| Number of Islands | Medium |
| Top K Frequent Elements | Medium |
| Logger Rate Limiter | Easy |
Unique to Zeta (24)
Problems in Zeta's list that do not appear at DocuSign.
| Problem | Difficulty |
|---|---|
| Apply Operations to Make Two Strings Equal | Medium |
| Split Array Largest Sum | Hard |
| Minimum Window Substring | Hard |
| Capacity To Ship Packages Within D Days | Medium |
| Palindrome Partitioning II | Hard |
| Remove Boxes | Hard |
| Next Greater Element II | Medium |
| Reverse Nodes in k-Group | Hard |
| Maximal Rectangle | Hard |
| Count Univalue Subtrees | Medium |
| Remove K Digits | Medium |
| Heaters | Medium |
Frequently Asked Questions
How many LeetCode questions do DocuSign and Zeta share?
DocuSign and Zeta share 6 LeetCode interview questions. 30 problems appear only in DocuSign's list and 24 appear only in Zeta's list.
What topics overlap most between DocuSign and Zeta?
The most common shared topics between DocuSign and Zeta are Array (5 shared questions), Hash Table (4 shared questions), Sorting (2 shared questions), String (2 shared questions), Math (1 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: DocuSign or Zeta?
DocuSign has 3 Easy, 26 Medium, and 7 Hard questions. Zeta has 0 Easy, 20 Medium, and 10 Hard questions. Zeta has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both DocuSign and Zeta?
Start with the 6 shared problems since they cover what both companies ask most often. Then add 20 DocuSign-specific and 20 Zeta-specific questions to round out your prep.