Grzegorz Piwowarek

Grzegorz Piwowarek is a lead system engineer at Casumo, a trainer at Bottega IT Minds, a blogger at, and an OS contributor. Professionally involved in projects involving distributed systems, systems integration, and necromancy.

Besides coding, he is a professional yo-yo player and a guitarist in a progressive metal band - Visions of Tondal.


Wonderful Frameworks and How to Avoid Them