[johan_larson]

You don't say how much you already know about software. I'll assume you know little or nothing. Advice for an already proficient programmer would be different.

Your bio background will definitely count for something at biotech companies, and they hire plenty of software developers. But you need to add some sort of credible training or experience in software. I know there are community colleges offering two-year programs; that would probably be enough. Then go looking for an entry-level software development position at some bio-focused tech company. Someone who knows both bio and software will be a very attractive candidate.