Automated Social Media Customer Response Tool

I am looking for an experienced developer to create a tool that can crawl through various social media platforms like Facebook, Twitter, and Instagram. The tool should be able to identify potential customers based on keywords in their posts and automatically respond to them by sending a private message.

Key Requirements:
- The tool should be able to scan social media posts on Facebook, Twitter, and Instagram.
- It should have the capability to identify potential customers by specific keywords in their posts.
- The response mechanism is limited to sending a private message to these customers.

Ideal Skills and Experience:
- Proficiency in social media crawling and data mining.
- Experience in developing automated response systems.
- Strong understanding of API integrations for Facebook, Twitter, and Instagram.

Please provide a brief overview of your relevant experience and a high-level plan for how you would approach this project in your bid.