StackAdapt Interview Questions

StackAdapt Interview Questions

Practice 6 real interview questions from StackAdapt. Covers Coding & Algorithms, Software Engineering Fundamentals, Statistics & Math. For roles including Software Engineer, Data Scientist.

6 Questions 1 Company04.04.2026
Showing 6 results
Role
StackAdapt logo
StackAdapt
Easy
Software Engineer

Design a Recipe and Inventory Ordering Service

Design a Recipe and Inventory Ordering Service Scenario Design an object-oriented service with recipes, supplies, and orders. A recipe has a unique na...

Software Engineering Fundamentals
2
0
25 people solved
Apr 4, 2026
StackAdapt logo
StackAdapt
Medium
Software Engineer

Analyze time complexity for dictionary operations

Analyze the time complexity of the following dictionary/hash map operations. (a) Searching for a key: state average-case and worst-case time, and expl...

Coding & Algorithms
10
0
178 people solved
Sep 6, 2025
StackAdapt logo
StackAdapt
Easy
Software Engineer

Calculate conditional probabilities for coin tosses

Probability with Two Fair Coin Tosses You toss a fair coin twice. Let the coin be fair (P(H) = P(T) = 1/2) and the tosses independent. (a) Compute P(s...

Statistics & Math
13
0
136 people solved
Sep 6, 2025
StackAdapt logo
StackAdapt
Hard
Data Scientist

Compute extinction probability in a branching process

Compute extinction probability in a branching process You start with 1 cell at time 0. Every minute, each existing cell independently transitions with...

Statistics & Math
7
0
115 people solved
Jul 23, 2025
StackAdapt logo
StackAdapt
Easy
Software Engineer

Explain hash collisions and Java HashMap complexity

Explain hash collisions and Java HashMap complexity in a software engineering interview. Cover how hashing works, what a collision is, how a hash tabl...

Software Engineering Fundamentals
9
0
99 people solved
Mar 4, 2025
StackAdapt logo
StackAdapt
Easy
Software Engineer

Design a time-windowed key-value store

Implement a time-windowed key-value store ("Windowed Map") that receives key/value updates at irregular times and only keeps entries from the most rec...

Coding & Algorithms
8
0
104 people solved
Mar 4, 2025
StackAdapt Interview Questions (Updated 2026) | PracHub