Dear Sir
I have seen your job posting and i have to ask some [login to view URL] come over the chat so we can discuss things.
All the skills/experience will be discussed/revealed over the chat.
I need to know the technical details for this project.
It seems like an interesting project.I would like to discuss all the requirement with you,so I can make the scope of this [login to view URL] also note that final estimation will be revealed from your end.
Hence, my cost of development & deadline solely depends on what you reveal (in detail).Looking forward to conduct an extensive chat with you
Warm Regards
Tabish Adnan