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Growth · Software Engineer Interview Guide

How to Pass the Trustpilot Software Engineer Interview in 2026

Το DNA της Trustpilot (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.

Οι συνεντεύξεις tech διεξάγονται στα αγγλικά

Ακόμη κι όταν κάνετε αίτηση τοπικά, η ίδια η συνέντευξη γίνεται σχεδόν πάντα στα αγγλικά. Σας δείχνουμε κάθε ερώτηση και prompt πρώτα στα αγγλικά — τη γλώσσα στην οποία θα γίνει η συνέντευξη — με μετάφραση από κάτω για να προετοιμαστείτε στην ισχυρότερη γλώσσα σας.

Το Interview Loop της Trustpilot

Το onsite loop σας θα αποτελείται τυπικά από 5 γύρους.

  1. 1

    Γύρος 1

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

    Γύρος 2

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

    Γύρος 3

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

    Γύρος 4

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

    Γύρος 5

    Behavioral / Leadership
    Past evidence of ownership, influence, resolving conflict.

Η ζώνη κινδύνου: Κορυφαίοι λόγοι που οι υποψήφιοι αποτυγχάνουν

Με βάση τη βάση δεδομένων μας με αποτελέσματα συνεντεύξεων Trustpilot, αποφύγετε αυτές τις συνηθισμένες παγίδες:

  • 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.

Δοκιμάστε τον εαυτό σας: Πραγματικές ερωτήσεις Trustpilot

Τρία πραγματικά prompts τραβηγμένα από τη βάση δεδομένων μας.

Τύπος · Conflict Resolution

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

Τύπος · 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.

Τύπος · 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?

+ πολλές ακόμη ερωτήσεις, σήματα και επεξεργασμένα παραδείγματα

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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

    Τύπος · Motivation

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

Coding Screen

3
  1. 2

    Τύπος · 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

    Τύπος · 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

    Τύπος · System Design

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

    Τύπος · 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

    Τύπος · 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

    Τύπος · 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

    Τύπος · Ownership

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

    Τύπος · 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)

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

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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.

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