Type · Algorithmic

Growth · Software Engineer Interview Guide
Sign up to see ATSHow to Pass the Depop Software Engineer Interview in 2026
The Depop DNA (TL;DR)
The Depop Interview Loop
Your onsite loop will typically consist of 5 rounds.
- 1
Round 1
Recruiter ScreenMotivation, role fit, logistics. - 2
Round 2
Coding ScreenLeetCode-medium algorithmic problems under time pressure. - 3
Round 3
System DesignDistributed systems, trade-offs at scale, architecture under constraints. - 4
Round 4
Onsite CodingLeetCode-hard, debugging, code clarity, edge cases. - 5
Round 5
Behavioral / LeadershipPast evidence of ownership, influence, resolving conflict.
The Danger Zone: Top Reasons Candidates Fail
Based on our database of Depop interview outcomes, avoid these common traps:
- Focusing only on known fraud patterns without considering anomaly detection.
- Focusing on blaming others or external factors for the challenge.
- Not handling cases where the query might match multiple categories equally.
- Failing to check for the presence of at least one alphanumeric character.
Test Yourself: Real Depop Questions
Three real prompts pulled from our database.
Type · Collaboration
Type · Motivation
+ many more questions, signals, and worked examples
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Depop Interview Question Bank
A sample from our database, grouped by round. Sign up to see the full set.
9 of 23 questions shown
Recruiter Screen
1- 1
Type · Motivation
What interests you about working at Depop, and how do you see your skills contributing to our mission of making fashion more sustainable?
Coding Screen
3- 2
Type · Algorithmic
Given a list of user transactions (user_id, item_id, timestamp, price), write a function to find the top K most frequently sold items in the last 24 hours. Assume timestamps are in Unix epoch seconds. - 3
Type · Algorithmic
Implement a function to determine if a given string is a valid Depop listing title. A valid title must be between 10 and 50 characters, contain at least one alphanumeric character, and not start or end with a space. - + 1 more questions in this round (sign up to unlock)
System Design
3- 4
Type · System Design
Design a system to recommend similar items to users based on their browsing history and purchase data on Depop. Consider scalability for millions of users and items. - 5
Type · System Design
Design a real-time notification system for Depop that alerts users about new messages, offers, and when their items are sold. Consider delivery guarantees and potential load. - + 1 more questions in this round (sign up to unlock)
Onsite Coding
3- 6
Type · Debugging
A user reports that their recently listed item is not appearing in search results, even though the listing appears on their profile. Here's a simplified version of the search indexing code. Find the bug. - 7
Type · Algorithmic
Implement a rate limiter for API requests to protect Depop's backend services. Consider different strategies like token bucket or leaky bucket and discuss their trade-offs. - + 1 more questions in this round (sign up to unlock)
Behavioral / Leadership
13- 8
Type · Past Experience
Tell me about a time you had to influence a stakeholder or team who disagreed with your proposed product direction. How did you approach it, and what was the outcome? - 9
Type · Collaboration
Tell me about a time you worked with engineers or designers on a complex feature. How did you ensure alignment and effective collaboration? - + 11 more questions in this round (sign up to unlock)
Unlock the full Depop question bank
Free signup, no credit card. You get every question + the framework, grading signals, and worked answer for each.
Interview tracks at Depop
How Depop's DNA translates across functions. Pick your role.
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Practice Depop interviews end-to-end
Depop Mock Interview
Run a live mock interview with our AI interviewer using Depop-style prompts. Get scored on structure, signal, and answer length — exactly how the real loop grades you.
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STAR Stories for Depop Behavioral Rounds
Build a Story Bank of your past wins, mapped to the leadership signals Depop interviewers grade on. Reuse them across every behavioral round.
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Depop Interview Prep Hub
The frameworks behind every Depop round: CIRCLES for product sense, hypothesis-driven debugging for analytical, STAR for behavioral. Learn each one in 10 minutes.
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Interview Frameworks
CIRCLES, STAR, AARRR, RICE, MECE. The exact frameworks that make Depop interviewers nod instead of frown. Step-by-step playbooks with the moves and the pitfalls.
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