I've translated a entire course to Cousera and some videos to TED Talks, like this: https://www.youtube.com/watch?v=keRDC56eZwA&list=PLsFF-cMMCuVsE_e0MvWHq3yGBoldphVbc&index=3&t=11s
To Coursera I've translated until know more than 54000 words from english to portuguese.
That was volunteer work to learn and practice translation.
I'm brazilian, but I live and study a master degree in Spain. To the master I've to read a lot more in english and spanish, and living here I have the opportunity to know people from many other countries and practice english, besides the spanish. I also have to write in spanish for the University.
I did a translation course from a brazilian translator Marisa Nagayama.
I'm a psychologyst and pedagogyst, and worked as a volunteer and in some psychological clinics.
I also have a MBA in Human Resources and worked in a federal bank in Brazil for 14 years.