Headspace Software Engineer Interview Guide: Hiring Questions

Aletha Payawal
Written by Aletha Payawal
Shane Frykholm
Reviewed by Shane Frykholm
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Introduction

Headspace’s software engineer interview runs three rounds, with candidates reporting a total timeline of roughly three months from first contact to decision. The process screens for coding proficiency and system design through a high volume of back-to-back technical sessions, consistent with the demands of building consumer health software at scale. The second round is conducted entirely by Karat, a third-party interviewing service, meaning candidates complete their first technical evaluation with no Headspace employee present.

Interview Topics

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Data Structures & Algorithms
(176)
SQL
(157)
Data Modeling
(30)
Machine Learning
(14)
Behavioral
(14)

The Headspace Software Engineer Interview Process

1

Recruiter Screen

A recruiter calls to cover background, role expectations, and logistics. The screen is standard in length and tone, and candidates report it moves quickly. One candidate noted the recruiter acknowledged during this call that the job posting itself contained inaccurate information about in-office expectations.

Based on candidate reports

Recruiter Screen
2

Karat Technical Interview

Headspace routes all second-round technical interviews through Karat, a third-party interviewing service, meaning candidates complete this stage without speaking to a single Headspace employee. A live Karat interviewer conducts the session, covering coding problems and system design questions. One candidate reported that the Karat interviewer “was only focused on moving quickly through the process,” signaling the importance of pace.

Based on candidate reports

Karat Technical Interview
3

Coding Panel

Candidates who clear Karat move into a panel of back-to-back coding interviews with Headspace engineers, reported to run two to four hours in total. The questions test familiarity with Headspace’s existing tech stack rather than abstract algorithm puzzles. One candidate noted it was not the difficulty of the questions that stood out, but the sheer volume of them asked across consecutive sessions.

Based on candidate reports

Coding Panel
4

Hiring Decision

After the coding panel, candidates report receiving a decision without a separate final-round conversation or offer discussion call. The full process from recruiter screen to decision takes roughly three months. Candidates report the wait between stages, not the individual interviews, accounts for most of that timeline.

Based on candidate reports

Hiring Decision

Challenge

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Featured Interview Question at Headspace

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Headspace Software Engineer Interview Questions

QuestionTopicDifficulty
SQL
Medium

Given the employees and departments table, write a query to get the top 3 highest employee salaries by department. If the department contains less that 3 employees, the top 2 or the top 1 highest salaries should be listed (assume that each department has at least 1 employee). 

Note: The output should include the full name of the employee in one column, the department name, and the salary. The output should be sorted by department name in ascending order and salary in descending order. 

Example:

Input:

employees table

Column Type
id INTEGER
first_name VARCHAR
last_name VARCHAR
salary INTEGER
department_id INTEGER

departments table

Column Type
id INTEGER
name VARCHAR

Output:

Column Type
employee_name VARCHAR
department_name VARCHAR
salary INTEGER
SQL
Easy
SQL
Easy

465+ more questions with detailed answer frameworks inside the guide

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