Academic Proofreading & Rewriting Assistance

I am looking for a seasoned freelance editor to proofread and rewrite an English text of about 250 words. The purpose of the content and writing style weren't specified, and hence, a versatile individual adept at switching between academic, business, and creative writing will be ideal.

Role Requirements:
- Ability to work around diverse writing styles
- Solid English proofreading and rewriting skills
- Acquaintance with both formal and informal tones, and ability to work professionally

While crafting your proposals, provide a summary of your experience, examples of your previous work, and your detailed approach to this project. This will be beneficial and provide me a clear understanding of your capability to handle the task effectively.