Need Student room in Dortmund

Hi, I'm an International Student. I got admission in Masters (Data Science) for the summer semester 2020 in TU Dortmund.
I'm looking for a room (Shared apartment or single room) close to city or TU Dortmund. My intended date of join the apartment is 1st April 2020.I don't smoke not consume any alcohol or bears related items. I have done Computer sciences and worked as an android developer in my on country, My favorite thing to do is travelling hiking, and play different kind of sports e.g. football, long tennis and do workout in gym beside that I'm also involve in social work as I was in charge of social organization back in my country. I eagerly want to know German culture and get to involve in the society related things as currently I'm new here and also in search of place to live so kindly contact me.
Thanks a lot.