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.
How to Pass the Depop Software Engineer Interview in 2026
Growth · Software Engineer Interview Guide
Sign up to see ATSHeadquartered in United KingdomInterview language: English
The Depop DNA (TL;DR)
Depop's 'Community First' value drives assessment, seeking individuals who deeply understand the platform's user base and impact on marketplace dynamics. Interviewers look for examples of enhancing positive user interactions and scaling Depop's social commerce features.
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 problems, reasoning about defects, 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:
- Generic answers not tailored to Depop's specific business or mission.
- Focusing only on known fraud patterns without considering anomaly detection.
- Choosing a strategy without understanding its implications on user experience or system load.
- Ignoring scalability issues related to data storage, processing, and real-time updates.
Test Yourself: Real Depop Questions
Three real prompts pulled from our database.
Type · Technical Decision Making
Tell me about a time you had to make a significant technical decision with incomplete information or under tight deadlines. What was your process, and what was the outcome?
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.
+ many more questions, signals, and worked examples
Sign up to unlock the full Depop grading rubric
Depop Interview Question Bank
A sample from our database, grouped by round. Sign up to see the full set.
9 of 12 questions shown
1
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?
2
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)
3
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)
4
Onsite Coding
2- 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.
5
Behavioral / Leadership
3- 8
Type · Ownership
Tell me about a time you encountered a significant technical challenge or bug in a production system that you were responsible for. How did you approach diagnosing and resolving it, and what did you learn? - 9
Type · Collaboration
We often balance the need for rapid feature experimentation to drive community engagement against the technical debt of our core marketplace architecture. Describe a time you worked with a product manager or designer to pivot a feature requirement because the original scope threatened the stability of our high-traffic feed or search indexing services. - + 1 more questions in this round (sign up to unlock)
Unlock all 12 Depop questions, free
No credit card. Every question with its framework, the grading signals interviewers score against, and a 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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Sample answers
What a strong answer to these Depop interview questions shows.
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.
A strong answer shows: Understanding of recommendation system architectures.; Knowledge of different recommendation algorithms (collaborative filtering, content-based, hybrid).; Ability to design for scalability and performance.; Consideration of data modeling and storage.; Awareness of evaluation metrics and A/B testing..
Tell me about a time you had to make a significant technical decision with incomplete information or under tight deadlines. What was your process, and what was the outcome?
A strong answer shows: Sound technical judgment.; Ability to make pragmatic decisions under pressure.; Risk assessment and mitigation skills.; Understanding of technical trade-offs.; Data-driven or evidence-based decision-making..
Frequently asked questions
How long does the Depop interview process take?
Most candidates spend between 4 and 8 weeks from recruiter screen to offer. The onsite loop itself runs in a single day or is split across two half-days, with debrief and offer typically within 5 business days after.
How should I prepare specifically for Depop?
Focus on three things: (1) the company DNA shown above - what they actually grade for, (2) the rounds in your loop, especially the round most candidates underestimate, and (3) drilling on the question types in this guide using a structured framework like CIRCLES or STAR.
Does this apply to engineering or design roles at Depop?
The DNA stays the same - what changes is the round mix. SWE candidates face coding screens instead of Product Sense; designers face portfolio reviews and design exercises. The "what they value" and behavioral signals carry across all functions.
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