I had a roughly 30-minute phone interview that mostly covered my interest in the position and my relevant experience. Once I completed that, they sent me a HackerRank programming challenge consisting of three problems, each with increasing difficulty.

They provided 24 hours to complete the challenge from the moment I clicked start. It took me about 8 hours, as I spent a significant amount of time checking my answers. I felt I performed well on the coding portion and successfully solved each problem efficiently.

However, I received a vague email stating they did not have any suitable positions for me at that time. They were unwilling to provide feedback on why I didn't advance to the final round.

Overall, it was a pretty standard coding-challenge-based interview, though I wished I had received some feedback to learn from. It felt like 8 hours of coding were down the drain.

Complete 3 LeetCode-style problems in less than 24 hours (but you have a few days to start the challenge).