Low and high-level programming, electronic design (PCB, FPGA), system integration. Assembler for microcontrollers and microprocessors, C, C++, API Win32, Linux, Delphi, Java. HTML, CSS, JavaScript, AJAX, XML, JSON, PHP, JSP. Oracle, MySQL, Interbase, Postgre, SQL and PL/SQL. AMX, Alcron McBride, Bosch CCTV and segurity.