Looking for a nice place to stay in Berlin while I work remotely

Hello I’m Brian, a freelance graphic designer from Portland, OR in USA coming to visit Berlin from 6 June to 22 June after spending a week in Paris with my girlfriend. She’ll be working on her doctorate in York England, and I’ll be finishing up a big project remotely from Berlin. Ideally there would be space for me to work and decent Wi-Fi. When I’m not working I produce house music, do yoga, go dancing hike, paddle board, cross country ski. I have a cat named Iggy that is scared of everything besides me and I love her. Im a hugger but I ask before I give them. Im emotionally intelligent, calm and have an absurd sense of humor. I don’t like typing the word “I” so much.
I have an old friend that I’m visiting while there. He was an exchange student at my high school and we kept in touch. Funny thing, we both ended up sober graphic designers that love electronic music. Im excited to soak up music and art while in Berlin and just get a change in culture. Looking forward to hearing about your places!