Jeff is a security engineer and mobile developer with experience in developing, integrating and implementing high speed cryptographic algorithms, security libraries, secure device storage, secure cloud storage, secure channels, user management functions, user libraries and user applications. He has also worked as a security architect designing secure solutions and taught instructor led training classes. His preferred programming languages are C, C++ and Objective C with Bash scripting. His platform experience includes Android, BSD, iOS, Linux, OS X, Solaris, Windows and Unix.