Tools
Test Management Tool: TFS,JIRA and MTM
Bug Tracking Tools: JIRA/Mantis/PRT.
API Testing Tool : POSTMAN
Log Capture Tools: Xcode Organizer, Crittercism
Operating System
Windows (XP, VISTA, Windows7, Server2003 and Server2008)
Concepts
Software Engineering, SDLC and STLC
Domain
Lending, Health, Electricity, Corporate Banking