IBM vs Josh Technology Interview Questions
IBM lists 115 LeetCode interview questions while Josh Technology lists 35. They share 4 problems — 3% of IBM's bank and 11% of Josh Technology's. Focus on the overlap first, then drill into 111 IBM-only and 31 Josh Technology-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 4 overlapping problems first. These are the highest-yield questions for candidates interviewing at both IBM and Josh Technology.
Step 2 — Company-specific depth: Add IBM-specific problems like Find the Smallest Divisor Given a Threshold, Gray Code, 3Sum and Josh Technology-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: Josh Technology skews harder in our data. Budget extra time for Hard problems if you are targeting that company.
Difficulty Comparison
Top Shared Topics
4 Shared Questions
High-priority problems to practice for both IBM and Josh Technology.
| Problem | Difficulty |
|---|---|
| Spiral Matrix | Medium |
| Group Anagrams | Medium |
| Minimum Swaps to Group All 1's Together II | Medium |
| Climbing Stairs | Easy |
Unique to IBM (111)
Problems in IBM's list that do not appear at Josh Technology.
| Problem | Difficulty |
|---|---|
| Find the Smallest Divisor Given a Threshold | Medium |
| Gray Code | Medium |
| 3Sum | Medium |
| Exclusive Time of Functions | Medium |
| Integer to Roman | 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 |
| Meeting Rooms II | Medium |
Unique to Josh Technology (31)
Problems in Josh Technology's list that do not appear at IBM.
| Problem | Difficulty |
|---|---|
| Largest Number | Medium |
| Move Zeroes | Easy |
| Reverse Nodes in Even Length Groups | Medium |
| Maximum Twin Sum of a Linked List | Medium |
| Count Good Nodes in Binary Tree | Medium |
| Reverse Odd Levels of Binary Tree | Medium |
| Delete Leaves With a Given Value | Medium |
| Find Bottom Left Tree Value | Medium |
| Merge Nodes in Between Zeros | Medium |
| Count Pairs Whose Sum is Less than Target | Easy |
| Koko Eating Bananas | Medium |
| Remove K Digits | Medium |
Frequently Asked Questions
How many LeetCode questions do IBM and Josh Technology share?
IBM and Josh Technology share 4 LeetCode interview questions. 111 problems appear only in IBM's list and 31 appear only in Josh Technology's list.
What topics overlap most between IBM and Josh Technology?
The most common shared topics between IBM and Josh Technology are Array (3 shared questions), Matrix (1 shared questions), Simulation (1 shared questions), Hash Table (1 shared questions), String (1 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: IBM or Josh Technology?
IBM has 33 Easy, 73 Medium, and 9 Hard questions. Josh Technology has 8 Easy, 24 Medium, and 3 Hard questions. Josh Technology has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both IBM and Josh Technology?
Start with the 4 shared problems since they cover what both companies ask most often. Then add 20 IBM-specific and 20 Josh Technology-specific questions to round out your prep.