Native English Translator wanted (Spanish to English)

I need to translate 10 documents with format from Spanish to English. If you are interested please answer these questions. How long will take you to do this project?, Can you give faith that you are fluent in English to do this job, I will need your signature to confirm in a certificate letter that I will provide to you.
If you are interested please leave a message here on freelancer, if you are a good candite, you will hear from this post soon. Thanks!