Scraper with Proxies/Socks/Licensing

Closed - This job posting has been filled and work has been completed.

Job Description

I need a desktop app that exact specifics i will give to the person i choose for the job. The app is in the business of SEO and is type of scraper.

The skills you need:
- making windows desktop apps
- multihtreading
- making query checker
- gettign data of websites [not data mining or scraping] but downloading legit databases for verification
- proxies usage [public and privatte with password/user]
- optimatization of big .txt files as the app will be workign on huge files
- optimatization of memory usage of app
- using cloud system to gather some stuff for the app directly from server and send to server.

Extra stuff needed:
- making license system [automatic based or hand based - no big deal here]
- protecting app from crackers/hackers

i dont care what is it coded in if it meets my requirements.

I pay AFTER the job is finished, no prepayments or milestones. I need to app to be done fast.