Starting in the world of triple A gaming, Wolfram moved on to build realtime systems and trading apps for investment banks around the world. Eventually he got annoyed by this, moved to Berlin and co-founded deepstreamHub GmbH, the company behind deepstream.io and deepstreamHub.com.
Wolfram's article
Deepstream: an Open-source Server for Building Realtime Apps
Wolfram Hempel discusses issues around building realtime apps at scale, and introduces deepstream, an extensible, open-source server.