This was such a gem, too bad we found it a few days before leaving Seminiyak! Pison is a 2 storey cafe with amazing desserts. The upstairs area is usually quieter and you will find people on their laptops working (which always makes me feel comforted). The wi-fi is one of the faster ones in Bali, which is also a great factor for digital nomads. The downstairs is usually quite lively and packed with people.
The great place is also that it opens late, perfection!
Check out their Facebook Page here: Pison Coffee