Peloton Interactive Software Engineer Interview Questions + Guide in 2024

Peloton Interactive, Inc. is a prominent fitness technology company known for its innovative approach to combining hardware, software, and world-class content to deliver engaging and effective workouts. Founded in 2012 and headquartered in New York City, Peloton has millions of members across the US, UK, Canada, Germany, Australia, and Austria.

If you’re ready to take on the challenge of a dynamic and fast-growing company like Peloton, this guide by Interview Query will help you navigate the interview process, along with sample Peloton Interactive software engineer interview questions to help you prepare effectively. Let’s get started!

The interview process usually depends on the role and seniority. However, you can expect the following on a Peloton Interactive software engineer interview:

Recruiter/Hiring Manager Call Screening

If your CV is among the shortlisted few, a recruiter from the Peloton Talent Acquisition Team will contact you and verify key details like your experiences and skill level. Behavioral questions may also be part of the screening process.

Sometimes, the Peloton Software Engineer hiring manager stays present during the screening round to answer your queries about the role and the company itself. They may also indulge in surface-level technical and behavioral discussions.

The whole recruiter call should take about 30 minutes.

Technical Virtual Interview

Successfully navigating the recruiter round will invite you to the technical screening round. Technical screening for the Peloton Software Engineer role is usually conducted virtually, including video conference and screen sharing. Questions in this 1-hour long interview stage may revolve around coding problems on platforms like Leetcode.

In engineering roles, be prepared to solve algorithm and data structure problems. During the round, your proficiency in writing clean, efficient code and explaining your thought process will be assessed.

Onsite Interview Rounds

Followed by a second recruiter call outlining the next stage, you’ll be invited to attend the onsite interview loop. Multiple interview rounds will be conducted during your day at the Peloton office, varying with the role. Your technical prowess, including system design, coding, front-end or back-end skills, and debugging capabilities, will be evaluated against the finalized candidates throughout these interviews.

If you were assigned take-home exercises, a presentation round may also await you during the onsite interview for the Software Engineer role at Peloton.

Typically, interviews at Peloton Interactive vary by role and team, but commonly Software Engineer interviews follow a fairly standardized process across these question topics.

1. Write a query to get the average order value by gender.

Given three tables representing customer transactions and customer attributes, write a query to get the average order value by gender. Round the answer to two decimal places.

2. Write a function missing_number to find the missing number in an array.

You have an array of integers, nums of length n spanning 0 to n with one missing. Write a function missing_number that returns the missing number in the array.

3. Find the index where the sum of the left half equals the right half in a list.

Given a list of integers, find the index at which the sum of the left half of the list is equal to the right half. Return -1 if no such index exists.

4. Write a function sorting to sort a list of strings in ascending order.

Given a list of strings, write a function sorting from scratch to sort the list in ascending alphabetical order. Do not use the built-in sorted function.

5. Write a query to find the earliest date each user played their third unique song.

Given a table of song_plays and a table of users, write a query to extract the earliest date each user played their third unique song. If a user has listened to less than three unique songs, display their name with a NULL date and song name.

6. How many more samples are needed to decrease the margin of error from 3 to 0.3?

Given a sample size (n) with a margin of error of 3, calculate the additional samples required to reduce the margin of error to 0.3.

7. What is the mean and variance of the distribution of (2X - Y) given (X \sim \mathcal{N}(3, 4)) and (Y \sim \mathcal{N}(1, 4))?

Given that (X) and (Y) are independent random variables with normal distributions, determine the mean and variance of the distribution of (2X - Y).

8. How do you calculate the sample size for an accurate AB test measurement?

For an AB test with a test group and a control group, explain how to calculate the necessary sample size for accurate measurement. Additionally, if the sample size is sufficient, should the power increase or decrease to measure very small differences?

9. How would you build a model to predict which merchants DoorDash should acquire in a new market?

As a data scientist at DoorDash, how would you develop a model to identify which merchants the company should target for acquisition when entering a new market?

You should plan to brush up on any technical skills and try as many practice interview questions and mock interviews as possible. A few tips for acing your Peloton Interactive software engineer interview include:

• Know Your Data Structures and Algorithms: Peloton questions are standardized and rely heavily on data structures and algorithm challenges. Brush up on your basics and work on practice problems.
• Be Clear and Concise: Ensure that you clearly explain your thought process and logic while solving problems. Communicating effectively is key.
• Understand Their Products: Familiarize yourself with Peloton’s range of products. Think about how you would improve or test them to show your interest in the role and the company.

What is the average salary for a Software Engineer at Peloton interactive?

What skills are essential for a Software Engineer role at Peloton?

To excel in a Software Engineer role at Peloton, you should have strong coding skills in languages like Java, Python, Kotlin, or Swift. Experience with technologies such as Docker, Kubernetes, RESTful APIs, and front-end frameworks like React and SwiftUI can be critical. Additionally, problem-solving skills, good communication, and a background in scalable systems design are important.

What is the company culture like at Peloton?

Peloton values a supportive and collaborative team environment. They emphasize innovation, quality code, and cross-functional teamwork. While interview experiences have varied, the company often highlights its commitment to fostering career growth and continuous improvement within the engineering teams.

If you’re preparing for a Software Engineer position at Peloton Interactive, you might find the overall interview process challenging and sometimes inconsistent. While some candidates appreciated the kindness and professionalism of the interviewers, others have mentioned a range of issues, from last-minute scheduling changes to disengaged interviewers and chaotic communication.

For aspiring candidates, preparation is key. If you want more insights about the company, check out our main Peloton Interactive Interview Guide, where we have covered many interview questions that could be asked. We’ve also created interview guides for other roles, such as software engineer and data analyst, where you can learn more about Peloton’s interview process for different positions.

Good luck with your interview!