Callisto Search Engine Development

I'm seeking a professional capable of developing a search engine for general web searches, with a specific focus on website searches. The search engine should not exclude any type of website, from educational to e-commerce and news sites.

Key Requirements:
- Develop a search engine capable of general web searches with a specific functionality for website searches.
- Ensure the search engine can encompass and prioritize all types of sites.
- Ideally, the freelancer should have experience in search engine development and web crawling technologies.