Part time Graphics person

I want a graphics person to work part time on different works like product packaging, brochure design , website improvement, images required for software work, background images for PPT, icons etc. These are for my own use as I have some products in software and electronics area and I want to make them look professional and better. I feel I will have 10-20 hours of work on weekly basis and assume any person who have worked on both print and web design with creative and marketing skills will do well. Please bid for 20 hours of work If it works I will have atleast 2-3 year association as I feel this work will require constant inputs Please let me know what kind of softwares do you use Can you share some past work samples How much time you have on weekly basis for project I give you Are you an individual or part of a company Will you sign an NDA Which country do you live in What are the work hours you will be available to discuss or communicate How quick you deliver based on my inputs