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Growth · Software Engineer Interview Guide

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How to Pass the Seat Unique Software Engineer Interview in 2026

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. 1

    Round 1

    Recruiter Screen
    Motivation, role fit, logistics.
  2. 2

    Round 2

    Coding Screen
    LeetCode-medium algorithmic problems under time pressure.
  3. 3

    Round 3

    System Design
    Distributed systems, trade-offs at scale, architecture under constraints.
  4. 4

    Round 4

    Onsite Coding
    LeetCode-hard, debugging, code clarity, edge cases.
  5. 5

    Round 5

    Behavioral / Leadership
    Past 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:

  • Not providing specific details about the situation or outcome.
  • Ignoring security and authentication aspects.
  • Inefficiently generating the full list of seats before filtering.
  • Not addressing the 'thundering herd' problem during peak loads.

Test Yourself: Real Seat Unique Questions

Three real prompts pulled from our database.

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.

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?

Type · Influence

Describe a situation where you had to influence a key decision-maker or a team to adopt your recommended approach, especially when there was initial resistance.

+ 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 25 questions shown

1

Recruiter Screen

1
  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
  1. 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.
  2. 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.
  3. + 1 more questions in this round (sign up to unlock)
3

System Design

3
  1. 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.
  2. 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?
  3. + 1 more questions in this round (sign up to unlock)
4

Onsite Coding

3
  1. 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.
  2. 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.
  3. + 1 more questions in this round (sign up to unlock)
5

Behavioral / Leadership

15
  1. 8

    Type · Past Evidence

    Tell me about a time you had to influence a stakeholder or team who disagreed with your product direction. How did you approach it, and what was the outcome?
  2. 9

    Type · Past Evidence

    Tell me about a time you had to make a difficult trade-off with limited information. How did you make the decision, and what was the result?
  3. + 13 more questions in this round (sign up to unlock)

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Interview tracks at Seat Unique

How Seat Unique's DNA translates across functions. Pick your role.

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