Education Articles: German Proofreading Needed

I'm in need of a proficient German proofreader to meticulously go through and rectify any form of grammatical errors or inconsistencies in 10-15 education-related articles(~300 words each) written in German. Here are the specifics:

Key Responsibilities:
- Correcting spelling mistakes.
- Improving sentence structure and overall paragraph structure.
- Ensuring proper punctuation.

Ideal Skillset:
- Strong proficiency in German language
- Proven experience in proofreading
- Background in education-related topics preferred

Native German speakers preferred or someone with very good qualifications.
Your expertise will greatly help in ensuring the articles are free from errors and offer excellent readability for the target audience. Your keen attention to details is greatly valued.