Adding Paperless Post.

Contributor: Becca Liss, engineer at Paperless Post, becca.liss@gmail.com
Source: internal headcount

I work at Paperless Post, and we have 28 devs total, four of whom are
women.  I'm a backend engineer, we have another woman who is in ops,
and we have two frontend engineers, though I would consider us all
part of the dev team.