If you use a Standard Job, you have the tFile components. You can use a tFileOutputDelimited and create a CSV file.
Are you going to save the files on local file system and use there after?
If you use ESB Routes again you have cFile components which can do the same.
Talend named a Leader.
Kickstart your first data integration and ETL projects.
Watch the recorded webinar!
Pick up some tips and tricks with Context Variables
Take a look at this technical overview video of Talend API Designer
Find out how to get started with APIs