Earlier quoted context omitted.
If she was good friends with the developer then I would agree with you, but from what I could tell from her post, the developer is not a friend but someone she probably met and hired online. In that case, I would definitely say no to moving in together.
I hope I won't be misunderstood, but I wouldn't be so sure to call the poster a "she". There is nothing in the post that guarantees that the poster is female. Is there?
umm...... ok, sure.... it was kinda awkward,