The Trade Desk

Lead Front End Engineer Interview Experience - London, United Kingdom

October 1, 2022

Positive ExperienceNo Offer

Process

The interview consisted of:

A system design session.
Two problem-solving sessions.
A debugging/refactoring session focused on the front-end specifically.

At the end, we had a call to discuss the feedback.

Questions

Loose coupling principle, and coding a pub/sub using it.
Finding why a React component is sending multiple requests.
Refactoring a React module so it's more reusable.
Checking if a string is valid JSON.

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Interview Statistics

The following metrics were computed from 1 interview experience for the The Trade Desk Lead Front End Engineer role in London, undefined.

Success Rate

0%

Pass Rate

The Trade Desk's interview process for their Lead Front End Engineer roles in London, undefined is extremely selective, failing the vast majority of engineers.

Experience Rating

Positive100%

Neutral0%

Negative0%

Candidates reported having very good feelings for The Trade Desk's Lead Front End Engineer interview process in London, undefined.

The Trade Desk Work Experiences

One of the best out there

Lead Software Engineer • Current Employee

London, undefined, United Kingdom

Pros: The company and colleagues look out for each other. You're generously compensated for your efforts. There's a strong vibe for growth in the business. The company has been resilient against the pandemic, and leadership and colleagues have put their employees' safety, well-being, and challenges first.

Cons: - We're figuring out how to scale at the pace we're going. - There's a lot to learn. - We're very fast-moving and there's little room to take a breather.

One of the best out there

Lead Software Engineer • Current Employee

London, undefined, United Kingdom

Pros: The company and colleagues look out for each other. You're generously compensated for your efforts. There's a strong vibe for growth in the business. The company has been resilient against the pandemic, and leadership and colleagues have put their employees' safety, well-being, and challenges first.

Cons: - We're figuring out how to scale at the pace we're going. - There's a lot to learn. - We're very fast-moving and there's little room to take a breather.

Best company ever, really excited to go to work every day!

Senior Software Engineer • Current Employee

Pros: Fun environment. It feels like a family. Technically challenging, fast growth. Working on a system that has to scale to above a million queries per second. Great snacks, awesome benefits: 401k matching, and medical is better than we had at Microsoft. Many offices and locations to choose from. Great opportunities as it is still growing fast.

Cons: Some locations are still very small, but the team is growing fast on all fronts.

Best company ever, really excited to go to work every day!

Senior Software Engineer • Current Employee

Pros: Fun environment. It feels like a family. Technically challenging, fast growth. Working on a system that has to scale to above a million queries per second. Great snacks, awesome benefits: 401k matching, and medical is better than we had at Microsoft. Many offices and locations to choose from. Great opportunities as it is still growing fast.

Cons: Some locations are still very small, but the team is growing fast on all fronts.

Good work-life balance and compensation

Senior Software Engineer • Current Employee

January 11, 2025

Pros: Good people. Good work-life balance. Good stock growth, in turn good total compensation.

Cons: Work can be more interesting. Alex: A lot of red tape for a medium-sized company.

Good work-life balance and compensation

Senior Software Engineer • Current Employee

January 11, 2025

Pros: Good people. Good work-life balance. Good stock growth, in turn good total compensation.

Cons: Work can be more interesting. Alex: A lot of red tape for a medium-sized company.

One of the best out there

Lead Software Engineer • Current Employee

London, undefined, United Kingdom

Pros: The company and colleagues look out for each other. You're generously compensated for your efforts. There's a strong vibe for growth in the business. The company has been resilient against the pandemic, and leadership and colleagues have put their employees' safety, well-being, and challenges first.

Cons: - We're figuring out how to scale at the pace we're going. - There's a lot to learn. - We're very fast-moving and there's little room to take a breather.

4.0
One of the best out there
Lead Software Engineer • Current Employee
London, undefined, United Kingdom
July 31, 2021
Pros: The company and colleagues look out for each other. You're generously compensated for your efforts. There's a strong vibe for growth in the business. The company has been resilient against the pandemic, and leadership and colleagues have put their employees' safety, well-being, and challenges first.
Cons: - We're figuring out how to scale at the pace we're going. - There's a lot to learn. - We're very fast-moving and there's little room to take a breather.

Best company ever, really excited to go to work every day!

Senior Software Engineer • Current Employee

Pros: Fun environment. It feels like a family. Technically challenging, fast growth. Working on a system that has to scale to above a million queries per second. Great snacks, awesome benefits: 401k matching, and medical is better than we had at Microsoft. Many offices and locations to choose from. Great opportunities as it is still growing fast.

Cons: Some locations are still very small, but the team is growing fast on all fronts.

5.0
Best company ever, really excited to go to work every day!
Senior Software Engineer • Current Employee
March 19, 2015
Pros: Fun environment. It feels like a family. Technically challenging, fast growth. Working on a system that has to scale to above a million queries per second. Great snacks, awesome benefits: 401k matching, and medical is better than we had at Microsoft. Many offices and locations to choose from. Great opportunities as it is still growing fast.
Cons: Some locations are still very small, but the team is growing fast on all fronts.

Good work-life balance and compensation

Senior Software Engineer • Current Employee

January 11, 2025

Pros: Good people. Good work-life balance. Good stock growth, in turn good total compensation.

Cons: Work can be more interesting. Alex: A lot of red tape for a medium-sized company.

4.0
Good work-life balance and compensation
Senior Software Engineer • Current Employee
January 11, 2025
Pros: Good people. Good work-life balance. Good stock growth, in turn good total compensation.
Cons: Work can be more interesting. Alex: A lot of red tape for a medium-sized company.

The Trade Desk Interview Questions

Find the Length of the Longest Common Prefix

Find the longest common prefix string amongst an array of strings. Return the length of this common prefix.

ArraysStringsTwo Pointers

Basic Calculator II

Implement a basic calculator to evaluate a simple expression string. The expression can contain non-negative integers, '+', '-', '*', '/' operators, and spaces; integer division should truncate toward zero.

Simple Bank System

Simulate a simple bank system that supports basic operations like deposit, withdraw, and check balance for different accounts. You will implement methods to handle these transactions and ensure validity based on account balances and existence.

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