> make design decisions about the actual system your team is building? that would simply fall into the realm of senior. > And collaborate with other teams on

> make design decisions about the actual system your team is building? that would simply fall into the realm of senior. > And collaborate with other teams on integration between systems. That might be senior as well. Depends on how much work you need to impose on the other team, I suppose, and/or the scale of the integration.