Having 20+ years programming experience.
Worked on device drivers, filter drivers and other system internal programs using win32 API and win64 API for windows 2000, Windows XP,Windows Vista,Windows 7 and 8.
Worked on interrupt driven program, interfacing program using serial/parallel ports, USB, PC based cards.
Worked for Wordpress, Joomla, Magento, Plugin and theme development.
Worked on DOS, Windows, Unix,Linux,MacOS platform for programming.
Worked on 6502,Z80,68K,80x86 processors and 8031/8051,ATMEGA,PIC,AVR microcontrollers using assembly programming and C programming for telephone intercom/exchanges and other projects.