Social Media KPIs Integration into existing dashboard

I need a skilled freelancer to help me enhance our existing Social media dashboard by integrating social media performance data from various platforms. The platforms include Facebook, Instagram, Twitter, YouTube, TikTok, and LinkedIn.

Key Responsibilities:
- Assist in generating necessary API keys.
- Adding required tables in the existing Postgres database to accommodate the KPIs.
- Displaying various KPIs such as Engagement Rate, Follower Growth, Impressions, Views, Likes, etc.
- Implement a system to update these metrics whenever the user requests it.

Frontend & Backend Requirements:
- Create a user-friendly frontend page using HTML/CSS/JS to manage all the API keys, ensuring their validity.
- The page should have capabilities to add new keys and validate existing ones.
- Backend development is PHP.

Ideal Skills & Experience:
- Proficient in working with Postgres databases.
- Extensive experience in PHP for backend development.
- Proven track record in creating interactive frontend pages using HTML/CSS/JS.
- Familiarity with social media API integrations.
- Understanding of various social media KPIs.