His key responsibilities are web and mobile application penetration testing, source code review. Moreover he works as a consultant, helping software development teams cope with application security related topics.
Previously working as a software developer, building software for financial sector. He was a speaker both at international and Polish conferences and meetings dedicated to software development and IT security, including 4Developers, Black Hat Asia, CONFidence, SEMAFOR, Testing Cup and Test Well. Since 2011 he is a board member of OWASP Poland Local Chapter and coorganizer of chapter meetings. Casual bounty hunter.