Content change editing for a series of small size articles

I am looking for a skilled freelancer who can help me with content change editing for a series of small size articles. The articles are more than 1000 words each. I am looking for both specific changes and overall improvement of the content. The deadline for the project is more than 2 weeks, so I am looking for someone who can work with me on a flexible schedule.

Ideal skills and experience:
- Experience in content editing and proofreading
- Excellent grammar and writing skills
- Attention to detail
- Ability to work on a flexible schedule
- Experience working with small size articles