1. I was sent a coding challenge that consisted of 15 questions. 13 were multiple-choice/short answer, and 2 were coding questions. One was coding from scratch for an easy-level LeetCode question. The second was debugging a much bigger, more complicated program.

2. A 30-minute interview with a recruiter, where they told me more about the company and asked some behavioral questions.

3. A phone screen with a principal engineer. They asked conceptual questions about programming language differences and one technical question.

4. A Zoom on-site with 4 rounds of one-on-one interviews, all technical. We talked about past experience and did some technical questions.

Differences between C, Java, and Python. Which one would you use and why?

Given a function that can read 4KB of input at a time, design a wrapper function that can read x KB.

Given a singly linked list, convert it into a tree-like structure.

String parsing/manipulation question in C.

Sorting an array of integers in linear time, given the fact that the integers have a reasonable range.