Fidelity Investments Full Stack Engineer interview experience

First I did a recruiter/HR screen where we basically walked through my resume and what I’d done before. The screening then led into a longer session where the pace was fast—roughly an hour where I had behavioral questions first, followed by algorithmic questions of varying difficulty.

In the technical part, I had to explain algorithms and connect my reasoning to time complexity, including a straightforward sort question where I talked through how it works and derived complexity. I also got pulled into fundamentals that matched what might be on a resume, including questions like what Jenkins