I'm working for several companies as Chief Technology Advisor, Project Manager, Full Stack Developer, Technical Writer, Business Developer, Product Manager and Marketing Manager.
I'm also an expert in Smart Card, Cryptography and Artificial Intelligence.
My working areas are: Smart Card, Cryptography, PKI, EMV, e-payments, m-payments, Mobile Technologies, IT Security, Artificial Intelligence, Semantic Intelligence, Expert Systems, Swarm Intelligence, Machine Learning, Deep Learning, Big Data, Data Warehouse, AWS and Cloud, GPS, Geolocation, RFID, NFC, Biometrics, GSM, Web.
Programming languages: C/C++, C#, Java, Objective-C, Swift, VB, JavaScript, Prolog, LISP, PHP, Python, Assembler
Operating Systems: Windows, Linux, MacOS, Unix, iOS, Android, Windows Phone, Symbian, Windows CE
I'm the author of the the book "Smart Card Programming" and I wrote several articles and whitepapers on specialized magazines.