Modify laravel site FREELANCER.COM API

I have already LARAVEL site I need to merge freelancer API. [login to view URL] 1) Add Freelancer section to LARAVEL site (In that section user can authorize multiple freelancer account on one click) 2) Message - There is already message section in LARAVEL site, We want to fetch messages from API, and allow user to see multiple Freelancer ID messages, Need feature to share message for example on ID 1 some one send picture, so on one click like whatsapp can share with some other chat even with other account 3) Projects - It get update projects from freelancer.com - There is 2 type of project, Project posted and other project awarded so on laravel site there is already section of project so you need to connect API with project section 4) On laravel site there is already Invoice, and expensive so we need to updated it with API 5) Update reviews from API, Create new database table of reviews-freelancer and upload reviews there with project detail and customer detail. This is on going project need good developer who can work with us for long term.