Roomate in Rostock from 13.06 untill 31.08

I am looking for flat and room mate/s in the period from 13.06 until 31.08. It can be male or female, age max 30. I am non smoker but it will not be a problem if the room mate is smoking but on the balcony or in his room if we have a multiply room flat. I will be working in a restaurant so my budget is limited and most of the time i will be on work or approximately 8 to 10 hours. Ideal room mate i either male or female, 18 to 30 years but non smoker who is realiably, trustworthy, open minded, fun, adventurer. My hobies are sustainable energy, pc repair expert, networking gury. It would be great if we find some compatibility with the room mate. I would love to travel and explore the city so my room mate if he / she have simular goals it would be great.