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Lead Backend Developer Interview Questions

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Talk about a big project you lead that involved many teams and many technologies and in which you mentored others and had to convince stake holders and resolved hard conflicts and have changed the world and made a huge measurable impact.
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Senior Backend Engineer

Interviewed at Checkly

4.9★
Sep 9, 2025

Talk about a big project you lead that involved many teams and many technologies and in which you mentored others and had to convince stake holders and resolved hard conflicts and have changed the world and made a huge measurable impact.

The first test is comprised of basic technical questions regarding OS, databases and programming in general. The HR interview is a friendly chat about the position where you get the usual questions about your background and also have the opportunity to ask questions about the company and the position. The take home assignment is a programming project you have 1 week to complete. Usually, you're asked to build an API following some simple requirements. The technical interview is more oriented to details about your take home assignment, you have the chance to explain your thought process and how/why you implemented things the way you did. The test week is a paid full week working with the company, where you get to work on real tasks and get to know the people you might be working with in the future. The final interview is more oriented towards your past experiences and how/where you could fit into Toggl in case you get an offer.
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Backend Developer

Interviewed at Toggl

4.6★
Nov 1, 2022

The first test is comprised of basic technical questions regarding OS, databases and programming in general. The HR interview is a friendly chat about the position where you get the usual questions about your background and also have the opportunity to ask questions about the company and the position. The take home assignment is a programming project you have 1 week to complete. Usually, you're asked to build an API following some simple requirements. The technical interview is more oriented to details about your take home assignment, you have the chance to explain your thought process and how/why you implemented things the way you did. The test week is a paid full week working with the company, where you get to work on real tasks and get to know the people you might be working with in the future. The final interview is more oriented towards your past experiences and how/where you could fit into Toggl in case you get an offer.

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