Refine Product Design in AutoCAD -- 2

I have a mechanical product sitting at the preliminary-design stage and now need a skilled engineer to push it toward a build-ready solution. All work must be created natively in AutoCAD so I can keep everything inside the same workflow I already use... (Budget: $2 - $8 USD, Jobs: 2D Drafting, AutoCAD, CAD/CAM, Engineering Drawing, Manufacturing Design, Mechanical Engineering, Product Design, Solidworks)