Home / Company interviews / ZScaler · Updated November 2026

ZScaler interview questions and practice

14 coding questions are known to come up in ZScaler interviews (3 easy, 6 medium, 5 hard), 1 of them in the last six months. The most common topics are Array, Math, Hash Table, String.

Practice interviews built from public job posts and question lists. Each open post links to the original so you can apply on ZScaler’s own site; ZScaler does not run, see or review your practice.

Practise ZScaler questions →Or one question first · 2 min

14Known questions

1Asked in the last 6 months

6Medium

5Hard

Coding questions ZScaler asks

From public company-tagged interview question lists. Most recent and most frequent first.

Easy 3Medium 6Hard 5

Array6
Math5
Hash Table5
String4
Greedy3
Recursion2
Bit Manipulation2
Trie2
Sliding Window2
Sorting2
Linked List2
Enumeration1

Question	Difficulty	Asked recently
Integer to English Words	Hard	Yes
Apply Operations to Make Sum of Array Greater Than or Equal to k	Medium	No
Maximum Strong Pair XOR II	Hard	No
Maximum Strong Pair XOR I	Easy	No
Largest Number After Digit Swaps by Parity	Easy	No
Day of the Year	Easy	No
Minimum Replacements to Sort the Array	Hard	No
Minimum Increment to Make Array Unique	Medium	No
LRU Cache	Medium	No
Robot Bounded In Circle	Medium	No
Word Ladder	Hard	No
Set Matrix Zeroes	Medium	No
Search in Rotated Sorted Array	Medium	No
Reverse Nodes in k-Group	Hard	No

Questions about ZScaler interviews

What topics do ZScaler interviews cover?

The ones that come up most are Array, Math, Hash Table, String, Greedy.

What coding questions does ZScaler ask?

14 questions are tagged to ZScaler in public interview lists: 3 easy, 6 medium and 5 hard. The most asked include Integer to English Words, Apply Operations to Make Sum of Array Greater Than or Equal to k, Maximum Strong Pair XOR II.

How do I practise a ZScaler interview?

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ZScaler interview questions and practice

Coding questions ZScaler asks

Questions about ZScaler interviews

Practise a ZScaler interview before it counts.

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