Ostrowski develops interactive software for audio/visual projects using Cycling'74s Max/MSP/Jitter language. He is a staff engineer and teacher at Harvestworks in New York, and was a staff programmer at Engine 27 in in 2003-04.
Projects have included multichannel audio/video show control, extended electronic instruments, sensor-based multimedia installations, spatialization software, and video tracking.
His clients have included Laurie Anderson, Christopher Janney, Bill T.Jones/Arnie Zane Dance Company and Martha Rosler. He has also worked on projects for the Zürich-based Klangbau, developing game software for Expo 2002 in Switzerland, and worked on the development team making custom broadcast software for Foster Kent Studios in Salzburg.