Lucid Motors Software Engineer interview: PyTorch attention and C++ coding

My process started with an initial coding round in PyTorch. I had to implement multi-head attention from scratch, which was more hands-on than I expected. After that, I moved into a panel-style stage with two technical interviews and two C++ LeetCode-style medium coding rounds. The pace was brisk, and the difficulty felt fairly consistent across the coding and technical discussions. Overall, it f…

Shared by a candidate · reported May 2026. Interview formats change; use it as a guide, not a script.