The responsibilities vary significantly across companies of different sizes. What follows is typical responsibilities of EMs in Amazon/Uber/Google type of orgs.

The responsibilities vary significantly across companies of different sizes. What follows is typical responsibilities of EMs in Amazon/Uber/Google type of orgs. 1. Project manage your team's deliverables. 2. Interface with other teams/EMs to unblock your team's progress. 3. Interface with product manager/owner to plan for the upcoming quarter/half. 4. Represent/sell/market your team in appropriate forums so that you keep getting high impacting projects/work. 5. Keep an eye on inter-person dynamics within the team. Address them early. 6. Hiring. For your and other teams. 7. Plan for your team member's career growth within the org. Promoting someone takes active participation of the manager with a plan in place. 8. Keep abreast of the tech-architecture that team owns. You don't want to accumulate too much of tech debt. Typically, a "team leader" works mostly within the team; infrequently interfacing with other tams; I'd say it's 80-20 split between within team outside team focus. EM on there other hand spend about 60-70% of their time interfacing and interacting with people outside of their team. Of course, exceptions exist but this is how it's been in my experience.