Hi, my name is Denis, I am Team Leader of 6 freelancers. We are a WebStudio: Time-isMoney.
We have 5+ year experience in Web: (prototyping and programming custom SaaS )
We had created System of Control Steam Bots. And we use library nodejs for make automatically TradeOffer (look to my Profile), and we can do your task. But it will cost 2500 for 55 work days because ours steambot manager will cost 1750$. If you interesting to do this project we can discuss about all your tasks