A lot of prospective employers only really care about your abilities, so no need to really explain anything, and definitely don't be defensive about it. If you

A lot of prospective employers only really care about your abilities, so no need to really explain anything, and definitely don't be defensive about it. If you can show, through some projects you've made for example, that you can build the kind of thing they want, in a timely manner, you have a very good chance of getting hired.