LinkedIn API Integration with PHP

I need a skilled PHP developer to integrate LinkedIn Ads and Post APIs into my existing PHP project.

Key Requirements:
- LinkedIn Ads API:
- Create and manage campaigns
- Analyze ad performance
- Manage ad creative

- LinkedIn Post API:
- Create new posts
- Edit existing posts
- Fetch post analytics

Ideal Skills and Experience:
- Proficiency in PHP
- Experience with LinkedIn API integration
- Strong understanding of API authentication and data handling
- Familiarity with advertising metrics and post analytics

Please provide examples of similar work done and estimated timelines.