AppFolio SDE2/SSE interview process ?

I have upcoming interviews with AppFolio for sde2/sse based on how interview goes. Recruiter just said prep for behavioral/dsa/system design. Wondering what is the difficulty level for system design a

I have upcoming interviews with AppFolio for sde2/sse based on how interview goes. Recruiter just said prep for behavioral/dsa/system design. Wondering what is the difficulty level for system design and DSA! If anyone has interviewed with them before, any help on insight of interview process would be very helpful and appreciated, thank you!