Add search and Google Maps to Cake PHP drectory) - repost

Hi, I have a directory built with Cake PHP framework,but my directory has no search functionality. I want to add geo code search to the site (search by distance or postcode) just like on this wordpress theme: [login to view URL] I also want to integrate google maps to my site.I need to have multimap with listings,just like here: [login to view URL] and a map on a single listings page like here:[login to view URL] On the listings i want to have (based on Google maps) few fields,like: nearest bus stop,nearest railway station.I want to have a Google map on create listings page [login to view URL] i need a good Google API specialist. Please contact me to explain the details.