Languages:(they are included in the skills below)
Crawling Skills and Languages: crawling using Python and C++(using curl), Bots Devlopping(Market Bots)
Web: Html, CSS, Js, PHP, angular js, Ruby On Rails, NodeJs...
Plugins and Themes Developing: Working with Facebook, Instagram, Shopify, Google APIs, developing Shopify and Wordpress Plugins and themes
Algorithms: developing matching and encrypting algorithms( modular arithmetic)
Others: Asymptotic analysis of algorithms.
Low-level Programmation languages: Assembly(only 6 months of experience), C and C++
Networking: a deep understanding of internet protocols(https, sftp, CDP, ARP, ATM...), handling internet packets in 5 languages C++, C, Python, Pearl and Ruby
And More...
I know there is a lot
Currently, I'm working all the projects for FREE in return giving me a positive feedback and a good rate