Joomla Developer - with Design skills for ongoing site mgmt - slow development

I have a Joomla job site, and am now to busy to do the development myself, scheduled tasks ; - create a blog page - create a support page (1st bid project remake [login to view URL]) $bid - create new module positions in template - enhance template responsiveness and css - create mobile template bring other skills to the table ; server side security , mail server support, SEO optimise , update. Thanks