Fairly simple interview process: an OA and then a virtual technical interview.

Started with the first part of the OA, which was a set of three technical questions for which I had to enter an answer, coding competition style. You are given a set of test cases to run against, so you can fine-tune your answers until you pass all test cases or run out of time.

After that was a second OA section that was less technical and tried more to simulate a day in the life of a software engineer at Amazon. This section is more about testing you on Amazon Leadership Principles and are in general more behavior-focused questions, with some technical stuff like discovering a bug based on output logs mixed in.

I passed those two and moved onto the formal technical interview, which was a 45-minute to 1-hour session with an Amazon engineer. The first chunk of the interview was more behavioral, again questions focused on Amazon's Leadership Principles. I came prepared for questions and made sure I had answers tailored to fit specifically with their leadership principles. The second half was a technical interview where I was given what I believe was a LeetCode Easy question. The end of that interview concluded the interview process.

Outside of usual technical prep via LeetCode questions and similar, there is a lot of emphasis on Amazon's leadership principles. The leadership principles are extremely important, and almost everything you do during your interview process is looked at through the lens of their leadership principles.