You shouldn't worry about it. I worked with a guy that was did construction for at least 10 years before he went into a tech field. If that massive career shift

You shouldn't worry about it. I worked with a guy that was did construction for at least 10 years before he went into a tech field. If that massive career shift didn't impact him, a few months while you finish up your self study definitely won't. I believe it show initiatives to a potential employer that you're trying to improve yourself and took a pretty hard job in the meantime to pay the bills.