Write unit test cases for nodejs project

I am looking for a skilled developer who can write unit test cases for my nodejs project. The project is an API, and I need to achieve a code coverage percentage of above 90% for the unit tests.

Skills and experience needed:
- Strong knowledge of nodejs and unit testing
- Proficiency in using the Mocha testing framework
- Experience in writing comprehensive unit test cases
- Familiarity with achieving high code coverage percentages
- Attention to detail and ability to identify edge cases for testing.