Systems design: What is the system design of the Uber App?
Systems design: What is the architecture for the OLA?
Systems design: What is the software design of the LYFT App?
Arch diagram: https://imgur.com/a/c1Nkuvf
Answer to all of the above questions is here, though I have explained much about Uber’s system design, but for interviews you can adopt the same answer to all of the cab aggregation services question.