After graduation Hermione went to New York to become an Auror when she heard that they had a great program and she needed to get away from the whole Harry and Ginny romance thing. She thought she was going to be sick.
After training she was partnered up with Clare Walker who had lost her last partner in a mission they were on. She was a half vampire but a born one. She was also a day walker and they quickly grew to become the best of friends.
Harry, Ron, and Ginny all became Aurors and Ginny and Harry are dating and they are also partners.