DocuSign vs IBM Interview Questions
DocuSign lists 36 LeetCode interview questions while IBM lists 115. They share 8 problems — 22% of DocuSign's bank and 7% of IBM's. Focus on the overlap first, then drill into 28 DocuSign-only and 107 IBM-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 DocuSign and IBM.
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 IBM-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: DocuSign 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 DocuSign and IBM.
| Problem | Difficulty |
|---|---|
| LRU Cache | Medium |
| Merge Intervals | Medium |
| Longest Substring Without Repeating Characters | Medium |
| Integer to Roman | Medium |
| Group Anagrams | Medium |
| Trapping Rain Water | Hard |
| Meeting Rooms II | Medium |
| Task Scheduler | Medium |
Unique to DocuSign (28)
Problems in DocuSign's list that do not appear at IBM.
Unique to IBM (107)
Problems in IBM's list that do not appear at DocuSign.
| Problem | Difficulty |
|---|---|
| Find the Smallest Divisor Given a Threshold | Medium |
| Gray Code | Medium |
| 3Sum | Medium |
| Exclusive Time of Functions | Medium |
| Minimum Operations to Make Columns Strictly Increasing | Easy |
| Fizz Buzz | Easy |
| Roman to Integer | Easy |
| Best Time to Buy and Sell Stock | Easy |
| Count Ways to Group Overlapping Ranges | Medium |
| Two Sum | Easy |
| Rotate Image | Medium |
| Minimum Absolute Difference | Easy |
Frequently Asked Questions
How many LeetCode questions do DocuSign and IBM share?
DocuSign and IBM share 8 LeetCode interview questions. 28 problems appear only in DocuSign's list and 107 appear only in IBM's list.
What topics overlap most between DocuSign and IBM?
The most common shared topics between DocuSign and IBM are Hash Table (5 shared questions), Array (5 shared questions), Sorting (4 shared questions), String (3 shared questions), Two Pointers (2 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: DocuSign or IBM?
DocuSign has 3 Easy, 26 Medium, and 7 Hard questions. IBM has 33 Easy, 73 Medium, and 9 Hard questions. DocuSign has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both DocuSign and IBM?
Start with the 8 shared problems since they cover what both companies ask most often. Then add 20 DocuSign-specific and 20 IBM-specific questions to round out your prep.