Residential Property Value Calculator

I'm looking for a developer to create a simple yet comprehensive online calculator for residential property valuation.

The calculator should incorporate the following factors:
- Location
- Size of the property
- Age of the property
- Features: Beds and baths count, Renovation level, Car accommodation, Property size, Inclusions/features

Ideal skills and experience:
- Experience in developing online calculators or similar tools
- Strong understanding of real estate valuation factors
- Proficiency in web development and user interface design
- Ability to deliver a user-friendly and accurate valuation tool