Type · Algorithmic
Given a list of user engagement events (e.g., view_event, purchase_event) with timestamps, write a function to find the longest consecutive period a user was active, defined as having at least one event every 5 minutes.
Other roles at Seat Unique:Product ManagerSoftware EngineerSalesCustomer SuccessMarketingBrand Manager
How to Pass the Seat Unique Software Engineer Interview in 2026
Growth · Software Engineer Interview Guide
Sign up to see ATSHeadquartered in United KingdomInterview language: English
The Seat Unique DNA (TL;DR)
The final interview round at Seat Unique often probes how candidates would enhance the Premium Live experience, specifically looking for strategic thinking around new Event Partners and leveraging Aggregated Data to drive growth.
The Seat Unique 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 Seat Unique interview outcomes, avoid these common traps:
- Giving a generic answer about wanting to work at a tech company.
- Not considering the interactions between different microservices.
- Designing a chatty API that requires multiple calls for basic information.
- Failing to mention how they communicated the long-term architectural debt to non-technical stakeholders.
Test Yourself: Real Seat Unique Questions
Three real prompts pulled from our database.
Type · String Manipulation
Seat Unique often deals with event names and descriptions. Write a function to normalize these strings: convert to lowercase, remove leading/trailing whitespace, and replace multiple consecutive spaces with a single space. Also, handle common OCR errors like replacing '0' with 'O' or '1' with 'l'.
Type · Motivation
What interests you about Seat Unique, specifically within the media and ticketing space, and how do you see your skills contributing to our growth?
+ many more questions, signals, and worked examples
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Seat Unique 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 Seat Unique, specifically within the media and ticketing space, and how do you see your skills contributing to our growth?
2
Coding Screen
3- 2
Type · Algorithmic
Given a list of user engagement events (e.g., view_event, purchase_event) with timestamps, write a function to find the longest consecutive period a user was active, defined as having at least one event every 5 minutes. - 3
Type · Data Structures
Implement a function that takes a list of ticket sales transactions (each with a user ID, event ID, and timestamp) and returns the top K most frequent users within a given time range. Use appropriate data structures for efficiency. - + 1 more questions in this round (sign up to unlock)
3
System Design
3- 4
Type · API Design
Design an API endpoint for Seat Unique that allows clients (e.g., partners, internal tools) to retrieve real-time availability and pricing for a given event and seating section. Consider aspects like rate limiting, caching, and potential performance bottlenecks. - 5
Type · Scalability
Seat Unique experiences significant traffic spikes during major event on-sales. How would you design a system to handle a 10x increase in concurrent users attempting to purchase tickets for a high-demand event, ensuring a fair queuing system and minimizing checkout failures? - + 1 more questions in this round (sign up to unlock)
4
Onsite Coding
2- 6
Type · Debugging
A user reports that sometimes, after successfully purchasing tickets, they don't receive a confirmation email. The system uses a microservice architecture. Analyze potential causes and outline how you would debug this issue, starting from the user's browser down to the email service. - 7
Type · Algorithm/Edge Cases
Implement a function `get_available_seats(event_id, section_id, booked_seats)` which returns a list of available seat identifiers for a given event and section. `booked_seats` is a set of strings representing booked seat IDs (e.g., 'A1', 'A2'). Assume seats are labeled sequentially (e.g., Row A: A1, A2, ..., A10; Row B: B1, ...). Handle potential errors like invalid event/section IDs or malformed booked seat IDs.
5
Behavioral / Leadership
3- 8
Type · Problem Solving
Tell me about a time you encountered a significant technical challenge in a project. What was the challenge, how did you approach it, and what was the outcome? - 9
Type · Collaboration
When integrating a new high-profile event partner with strict API requirements, how have you balanced the trade-off between delivering a bespoke integration quickly versus building a reusable, scalable connector that benefits our wider platform? - + 1 more questions in this round (sign up to unlock)
Unlock all 12 Seat Unique 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 Seat Unique
How Seat Unique's DNA translates across functions. Pick your role.
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Practice Seat Unique interviews end-to-end
Seat Unique Mock Interview
Run a live mock interview with our AI interviewer using Seat Unique-style prompts. Get scored on structure, signal, and answer length - exactly how the real loop grades you.
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STAR Stories for Seat Unique Behavioral Rounds
Build a Story Bank of your past wins, mapped to the leadership signals Seat Unique interviewers grade on. Reuse them across every behavioral round.
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Seat Unique Interview Prep Hub
The frameworks behind every Seat Unique 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 Seat Unique 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 Seat Unique interview questions shows.
Given a list of user engagement events (e.g., view_event, purchase_event) with timestamps, write a function to find the longest consecutive period a user was active, defined as having at least one event every 5 minutes.
A strong answer shows: Correct handling of time differences and edge cases.; Efficient use of data structures and algorithms (e.g., sorting).; Clear and readable code..
Seat Unique often deals with event names and descriptions. Write a function to normalize these strings: convert to lowercase, remove leading/trailing whitespace, and replace multiple consecutive spaces with a single space. Also, handle common OCR errors like replacing '0' with 'O' or '1' with 'l'.
A strong answer shows: Thoroughness in applying all normalization rules.; Efficient string manipulation techniques.; Handling of potential character substitution errors..
Frequently asked questions
How long does the Seat Unique 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 Seat Unique?
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 Seat Unique?
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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