Practically all of those mechanics need to be replicated in multiplayer games. Recommend you get your learn on in BP Networking 
Videos:
Documents:
Multiplayer Network Compendium | An Unreal Engine Blog by Cedric Neukirchen https://docs.google.com/presentation/d/1UZfrAKsSGNxV0NkYbkzzCpnj9uH91ycmHucq5Cje1eY/edit?usp=sharing
Do you have examples of your previous work? You’ve been working solo thus far, surely you have something to demo. Its not fair for me to ask that of you, without examples of my own to show off:
- Multi-user Construction System
- Multi-Camera Perspective System
- Creature Collage Construct System
- Visual File System (UMG)
- Dimensional Teleportal System
- Eye Tracking System
- Multiplayer Character Interaction 3nhanced: 1,2,3
Managing a Dev Team is way more work than Solo Dev, because your dealing with other Peoples emotions and ideas. IMO, it would be in your best interest join a preexisting team that could use your skills, before starting a Team.