Customisation to freelance engine wordpress theme

General information for the website: Website is a local services marketplace
Kind of development: Customization of existing website
Description of requirements/features: The theme is based on Engine theme's freelance engine and we need the following

1. Integrate location to projects so that employers can specify project location while posting jobs, freelancers can search jobs via location. Add job location and map on project page . Location should have a filter where admin can retrieve information on wp backend

2. Integrate private messaging plugin between employers and freelancers before bid is accepted
3. Integrate a plugin for job alert notification to freelancers
4. Change website favicon and change footer text colour
5. Update theme to latest version
Extra services needed: Customization, Optimization
Extra notes: