Senior SEO specialist

Looking for a SEO specialist (senior) to increasing traffic on international markets
Our app is not new, we have a pretty big user base, which keeps growing, but we need a great SEO strategy to increase organic regs from search traffic.
We are ready to pay high for fast and positive results.
If you believe, you can be helpful, please, write a note.

Which skills are important for the position:
- Understanding search engine optimization for a millions-visitors site
- Experience of working with large news portals
- Deep knowledge of the principles of search engines Google and Yandex
- Working with different GEO (will be a plus of understanding the Arab market)
- Working with stock exchanges purchase links
- Knowledge of analytical tools (Ahrefs, Semrush, SEranking), Google Analytics, Yandex Metrics, Google WebMaster
- Presence of successful cases for promotion

What results we expected from you:
- SEO strategy - promotion for a millions-visitors site to get +40% of the traffic uplift
- Providing high positions for the site and additional traffic inflow
- Improvement of conversions on the site
- Writing TORs for developers, copywriters
- Competitor Analysis

This is project work for at least 6 month