Quality translation from a fortune 500 company in Shanghai

Good day to everyone
My name is Cheney,23 years olde,male interpreter technicaly working for one of Fortune 500 companies in Shanghai.
I have a genuine interest in providing interpretation and/or translation services (English and Chinese) on a part time-basis.
Currently I am working at one of fortune 500 companies in Shanghai on a full-time basis. And my latest position is to perform technical interpretation for a deputy officer of Siemens VAI from Austria.However I would be really interested if there are opportunities for me to work on the weekends or part-time based positions.