Numinar is a great place to see how a company is run and get a lot of a great experience - both on the software engineering side and on the managing customer relations side. Even though I was an intern, I feel like my work was impactful and actually made a difference at the company. The people are amazing as well! I received so much mentorship and gained so many valuable skills that I still use in my career today.
Cons
Sometimes work does come home with you, but that's more the nature of political campaigns and less so the company itself.