Trustpilot logo

Growth · Software Engineer Interview Guide

How to Pass the Trustpilot Software Engineer Interview in 2026

The Trustpilot DNA (TL;DR)

Trustpilot values collaboration, impact, and a customer-centric mindset, often assessed through behavioral questions and practical tasks. They look for candidates who align with their mission of building trust and transparency in the review ecosystem.

The Trustpilot 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 Trustpilot interview outcomes, avoid these common traps:

  • Describing a task that was clearly assigned.
  • Inefficient brute-force approach checking every possible window.
  • Describing a situation where they were merely assigned a task.
  • Not explaining the outcome or impact of their actions.

Test Yourself: Real Trustpilot Questions

Three real prompts pulled from our database.

Type · Conflict Resolution

Tell me about a time you had a significant disagreement with a colleague or stakeholder. How did you resolve it?

Type · Algorithmic

Implement a function that takes a list of company IDs and their corresponding review counts, and returns the top K companies sorted by review count in descending order. Handle ties appropriately.

Type · Ownership

Tell me about a time you took initiative to solve a problem that wasn't explicitly part of your job description. What was the situation, what did you do, and what was the outcome?

+ many more questions, signals, and worked examples

Sign up to unlock the JobMentis grading rubric

Unlock the rubric →

Trustpilot Interview Question Bank

A sample from our database, grouped by round. Sign up to see the full set.

9 of 18 questions shown

1

Recruiter Screen

1
  1. 1

    Type · Motivation

    What interests you about Trustpilot, and why are you looking to move from your current role?
2

Coding Screen

3
  1. 2

    Type · Algorithmic

    Given a list of user reviews, each with a timestamp and a rating, write a function to find the average rating for reviews submitted within any given 24-hour window. Optimize for efficiency.
  2. 3

    Type · Algorithmic

    Implement a function that takes a list of company IDs and their corresponding review counts, and returns the top K companies sorted by review count in descending order. Handle ties appropriately.
  3. + 1 more questions in this round (sign up to unlock)
3

System Design

3
  1. 4

    Type · System Design

    Design a system to detect and flag duplicate reviews for the same business. Consider potential false positives and negatives.
  2. 5

    Type · System Design

    Design the backend service for Trustpilot's 'TrustScore' calculation. How would you handle real-time updates, historical data, and potential inconsistencies?
  3. + 1 more questions in this round (sign up to unlock)
4

Onsite Coding

3
  1. 6

    Type · Algorithmic

    Implement a function to find the longest consecutive sequence of positive reviews (rating >= 4) for a given business, considering reviews submitted within a specific date range. Handle edge cases.
  2. 7

    Type · Debugging

    A user reports that their review count on their profile page is sometimes incorrect. Here's a simplified version of the code that fetches and displays review counts. Find and fix the bug.
  3. + 1 more questions in this round (sign up to unlock)
5

Behavioral / Leadership

8
  1. 8

    Type · Ownership

    Tell me about a time you took ownership of a project or problem that was outside your direct responsibility.
  2. 9

    Type · Conflict Resolution

    Tell me about a time you had a significant disagreement with a colleague or stakeholder. How did you resolve it?
  3. + 6 more questions in this round (sign up to unlock)

Unlock the full Trustpilot question bank

Free signup, no credit card. You get every question + the framework, grading signals, and worked answer for each.

Unlock all questions →

Interview tracks at Trustpilot

How Trustpilot's DNA translates across functions. Pick your role.

SWE interviews at Trustpilot typically involve coding challenges (algorithms, data structures), system design relevant to scalable web services, and discussions on past projects. They look for problem-solving skills, clean code, and experience with their tech stack (e.g., C#, .NET, AWS).

Conflict Resolution

Tell me about a time you had a significant disagreement with a colleague or stakeholder. How did you resolve it?

Algorithmic

Implement a function that takes a list of company IDs and their corresponding review counts, and returns the top K companies sorted by review count in descending order. Handle ties appropriately.

+ 1 more

Unlock the Software Engineer grading rubric for Trustpilot

See full Software Engineer guide

Compare Trustpilot with similar employers

Same DNA, different bar. Browse the closest companies in our database and see how their loops differ.

Practice Trustpilot interviews end-to-end

FAQ