I have more than twenty years of development using a variety of Programming / Scripting languages: In recent years, I've created new programs and worked in maintaining and improving of older programs for various companies (including web development, database programming, interaction with various devices(Arduino, Velleman VM110,VM167) through - RS232 port, Bluetooth, GSM, GPRS, OBDII, ANPR/LPR(image acquisition, image processing), encryption, internationalization, etc.).