Job Description: 1. Responsible for off-site SEO on search engines such as Google and Bing, optimizing site rankings and driving traffic conversions; 2. Develop and execute black-hat SEO strategies, including: private blog networks (PBNs), spider pools, parasite hosting, doorway pages, subdirectories, 301 redirects, hidden links, and anchor text wheel links, among other black-hat techniques; 3. Manage various black-hat SEO projects, including project tracking, resource coordination, progress control, and res