wanna a long term English document writer

We are looking for someone to help us as a long term English writer. - make document about our product or change it more fluently. - tell your opinion when we ask something about English. like product name or english grammar etc.. - We would prefer availability very quick response via email so that urgent needs can be taken care of right away. the work process is like this. We give you a document in English. maybe it is not a good sentence. maybe have some mistake...grammar or not natural..and so on. then you make it more fluently. that is your job. it is main job. and contents you should check will be email, product introduction text, event, notice, even private message...checking all sentences before sending in public. We will pay for $30 / month. It is really simple project if you're fluent in English. Thanks for your interest!