Comprehensive PropTech Website/app Development

I'm looking for an experienced web and app developer to create a robust website for my proptech business. The platform will facilitate buying, selling, and renting properties, as well as providing agent services.

Key Features:
- Property listing management
- User reviews and ratings
- Advanced search and filters

Essential Integrations:
- Payment gateways
- CRM software
- Social media

Ideal Skills and Experience:
- Proven experience in developing real estate websites
- Strong knowledge of payment gateway integration
- Familiarity with CRM software and social media integration
- Excellent UI/UX design skills
- Ability to develop both web and mobile applications

Please provide examples of similar work done.