wasted, squandered (such as a wasted opportunity); untapped, underused (such as an untapped resource); someone who is not reaching their full potential, slacking (describing a student)
developer (a software developer; a person who creates or modifies computer software); developer (a person or entity engaged in the creation or improvement of certain classes of products.)
female equivalent of desarrollador (“developer”) (a software developer; a person who creates or modifies computer software); developer (a software developer; a company who creates or modifies computer software)