Young Professional Looking For A Cheap Room

Looking to move in to a room in East or south east london in the as soon as possible. I'm moving to London as an engineering intern and, I’m a fairly sociable flatmate seeking a great group of people to live with. I'm typically playing sports or going to the gym and I'm looking to explore London, but also chill and just cook food at home and watch netflix.
down to grab a drink or just chill out. Ideally looking for sociable flatmates