If you don't play your cards right, it is easy to get down-leveled, which means getting a level lower than what you were at before. This is very common in bad markets and for engineers breaking into FAANG. It's also common if you don't give an amazing behavioral interview performance. This lesson teaches you:
To better understand the expectations at each level, go through this: [Taro Top 10] Understanding Engineering Levels
For resources on becoming a better engineer: