Interactive Sales Platform Development

I'm seeking an experienced software engineer to create a web-based interactive sales platform. The primary function of this platform will be to allow users to browse an extensive product catalog and conduct detailed searches.

Essential Features:
- Comprehensive product catalog and efficient search functionality.
- Recommendation engine to suggest products based on user behavior and preferences.
- Live chat support for real-time customer assistance.

Ideal Skills and Experience:
- Proficiency in web development technologies (HTML, CSS, JavaScript, etc.).
- Experience in building recommendation engines.
- Strong background in integrating live chat support systems.
- Previous experience in developing sales or e-commerce platforms would be advantageous.

Please provide examples of similar work done and a brief outline of your approach.