Lead front end engineer Interview Questions
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Lead Front End Engineer interview questions shared by candidates



Questions were on experience and scenarios, but again, like a conversation and not a back and forth deal. It was like I was part of the team and we were hashing out ideas and a best path forward for various scenarios.
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I responded as if I were part of the team. And like a human.


Asked me to code up a simple application in React using JSFiddle collaboration mode that keeps track of state.
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The collaboration mode broke the Babel engine in several ways and affected the application and ability to debug it. My interviewer was a backend coder with no familiarity in React. Overall I think it was a really unprofessional interview. Less

Tell me about the worst and best front-ends you've worked on.
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Just have some examples in your pocket of good and bad work product.

Q: Given two arrays of integer values, write a function that merges them and sorts them in numeric order.
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I froze up, being caught off guard having my expectations not set correctly. It took me way too long to solve it, IMO. I do not expect to be called in for the next phase. In the interview, I ended up using Array.reduce and the spread operator to merge the arrays into the accumulator. The result of that was sorted with .sort(), passing a fat-arrow function as the parameter that returned a-b. Less
