Lark Sr. Integration Engineer interview questions

First round with hiring manager, covered background and experience. Described the interview process which emphasizes CS fundamentals/data structures/algorithms for technical interviews even for senior positions. Second round with lower tier engineer, jumped right into code challenge. Didn't cover my background/experience at all. I was expecting some questions regarding systems design, received a toy CS-101 problem involving string manipulation. At this point I realized that this company doesn't know how to hire engineers with experience as their process is optimized for new graduates.