You can take an interview for me, I have good knowledge on POS terminal, especially symbol/Motorola POS platforms. Mobile POS platforms and posiflex platforms. I have developed payment platform integration MSR, smartcard interfacing and also supported pin pad features. Developed a cross platform plugin for browsers based on c++. Good understading on security protocol 3DES, RSA etc.
I have strong embedded development knowledge in providing kernel customization, U-Boot customization (bootload customization), custom root file system development. I have strong understanding in system and application programming IPC, Event management, D-Bus, IOCTLS, Multi-threading, Multi-processor & other aspects of middleware development for linux and android. Firmware application programs and linux kernel drivers in c. Develop SDKs and graphics toolkit based on existing frameworks like qt, GTK, WX widgets, mono,python for linux, windows desktops and servers in c and c++. Develope customised toolkits for touch screen, other input devices based
on gesture using GTK and QT for embedded platforms for different customers. I have integrated and customized hardware in transaction market like MSR, smartcard,fingerprint,pinpad for android and linux.