Home / Company interviews / Sigmoid · Updated November 2026

Sigmoid interview questions and practice

15 coding questions are known to come up in Sigmoid interviews (4 easy, 10 medium, 1 hard). The most common topics are Array, Breadth-First Search, Dynamic Programming, Sorting.

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

Practise Sigmoid questions →Or one question first · 2 min

15Known questions

0Asked in the last 6 months

10Medium

1Hard

Coding questions Sigmoid asks

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

Easy 4Medium 10Hard 1

Array10
Breadth-First Search4
Dynamic Programming3
Sorting3
Stack3
String3
Two Pointers2
Matrix2
Greedy2
Tree1
Binary Tree1
Monotonic Stack1

Question	Difficulty	Asked recently
Binary Tree Zigzag Level Order Traversal	Medium	No
Move Zeroes	Easy	No
Best Time to Buy and Sell Stock	Easy	No
Rotting Oranges	Medium	No
Boats to Save People	Medium	No
Next Greater Element II	Medium	No
Coin Change	Medium	No
Number of Islands	Medium	No
Min Stack	Medium	No
Best Time to Buy and Sell Stock II	Medium	No
Merge Intervals	Medium	No
Group Anagrams	Medium	No
Reverse Nodes in k-Group	Hard	No
Valid Parentheses	Easy	No
Longest Common Prefix	Easy	No

Questions about Sigmoid interviews

What topics do Sigmoid interviews cover?

The ones that come up most are Array, Breadth-First Search, Dynamic Programming, Sorting, Stack.

What coding questions does Sigmoid ask?

15 questions are tagged to Sigmoid in public interview lists: 4 easy, 10 medium and 1 hard. The most asked include Binary Tree Zigzag Level Order Traversal, Move Zeroes, Best Time to Buy and Sell Stock.

How do I practise a Sigmoid interview?

Answer a 2-minute question for free, then take a mock interview with an AI interviewer, voice and live coding. You get a review that marks the exact line that cost you. The screen and Round 1 of your first role interview are free.

Practise a Sigmoid interview before it counts.

Talk it through while you code, and get a review that marks the exact line that cost you. Free to start.

Practise Sigmoid questions →

Sigmoid interview questions and practice

Coding questions Sigmoid asks

Questions about Sigmoid interviews

Practise a Sigmoid interview before it counts.

Interviews at similar companies