Try to get multiple Knowledge transfer sessions, focused on the following aspects: Current System === - End to end flow of the system (what is the first point

Try to get multiple Knowledge transfer sessions, focused on the following aspects: Current System === - End to end flow of the system (what is the first point of contact to your server for a HTTP request) - How is the architecture laid out (services talking to each other) - What are the front-facing services - What are the back services (crons/queue consumers) - How are the domains managed, how are all the domains setup - How is the deployment setup for across services - What are the background activities they were silently taking care of (manual crons) - What system is responsible for which business activity - What are all the 3rd party services your system talks to Future System === - What are the current parts of the system they were actively working on - How were these new services going to fit in the current architecture - Were they planning of refactoring some parts/services - Were they planning of rewriting any part of code