Service Marketplace Development

I'm looking for a skilled developer to create a robust freelance marketplace platform connecting service providers with customers. The platform should facilitate job posting and bidding.

Key Requirements:
- User Roles: Service providers and customers
- Core Feature: Job posting and bids

Ideal Skills and Experience:
- Proven experience in developing freelance or service-based marketplaces
- Strong understanding of job posting and bidding systems
- Expertise in user role management and secure messaging systems
- Ability to create user-friendly interfaces and seamless user experiences

Please share your portfolio and relevant experience.