My advice would be to be very clear in your writing (e-mail exchange, cover letter) what the value is that you're going to bring the company. In this case, it

My advice would be to be very clear in your writing (e-mail exchange, cover letter) what the value is that you're going to bring the company. In this case, it seems like you want to sell yourself as a junior dev - someone who can do the coding that is busywork for the other devs - and you really want to stress that you'll be low maintenance for them. If you can prove that you bring more value than you'll take, they should give you the internship.