Top 46
Prep plan
Updated weekly · Last refresh Aug 30

Dialpad Software Engineer Interview Questions

The questions to prepare for a Dialpad Software Engineer interview. Questions from real interview reports rank first. Updated weekly.

46questions
~8htotal time
Track your progressSign up free to work through all 46 questions and resume where you left off.
Start practicing free →
1
CodingStart here. 29 questions · ~295 min
Binary Tree Level Order TraversalEasy
Practice

Traverse a binary tree level by level using a queue-based breadth-first search.

QueueTreesDialpad
Merge Two Sorted Linked ListsEasy
Practice

Merge two sorted singly linked lists into one sorted list by relinking existing nodes.

RecursionLinked ListsSortingDialpad
Unique Characters FunctionEasy
Practice

Use a hash set to determine whether a Cvent event code contains only unique characters.

Hash TablesStringsDialpad
Detect Cycles in Task GraphMedium
Practice

Detect whether a directed dependency graph of startup tasks contains a cycle using DFS or topological ordering.

dfscycle detectionGraphsDialpad
Object-Oriented Programming PrinciplesEasy

Tests understanding of OOP concepts and how they apply in real software design.

RecursionArraysStringsDialpad
Stack vs Queue DifferencesEasy

Compare stack and queue behavior, access order, operations, and common use cases in linear data structures.

StackQueueArraysDialpad
More Coding questions with a free account
2
Behavioral & Leadership16 questions · ~163 min
Recovering a Project in TroubleEasy

Tests ownership under pressure, technical problem-solving, and cross-functional collaboration when a project encounters a major obstacle.

challengeProblem SolvingstarDialpad
More Behavioral & Leadership questions with a free account
3
More topics1 question · ~10 min
The finish line: interview-readyComplete all 46 questions to finish this plan.