Greetings,
I have seen your call for content creators here on Upwork, and I thought I should toss my hat in the ring because I meet all the qualifications you have listed. I have a solid grasp of the English language; therefore, I can write native-level English.
I also have a strong knowledge of SEO best practices, so you can rest assured that each piece I will create for you will be SEO-friendly. Using my research skills, I can also research different topics and develop web content that is valuable to the readers and nudges them to make a purchase decision or subscribe to the web owner's email list.
I have attached a few samples herein for you. Please, take time to review them and reply if you feel any mutual connection so we can get started. I'm willing to do a quick paid test to put us on the same page right away. What do you reckon?
I look forward to your response.
Have a beautiful day,
-Peris