I am primarily a backend Java developer, but I have extensive experience as C, C++ and Perl also. I have web frontend development experience also. Until recently I have worked in full time employment developing high load, secure and high up-time systems, including billing systems that handle credit card details. I have an active CRB certificate as part of PCI checks I have been through in the past. I also have over 15 years of web based development experience spanning public websites and backend tools.