Comprehensive C2C Marketplace Development

I'm seeking a seasoned developer to create a robust mobile and web application for a C2C marketplace. This platform will cater to both product selling and service providing, and should be accessible on both iOS and Android.

Key Features:
- User registration via email, phone, or social login
- Free ad posting limited to 3 per month and varied paid options
- Credit system allowing purchase or earning via Google AdMob video ads
- Advanced search and filter options
- In-app chat facilitating buyer-seller communication
- Multi-language support, primarily English and Hindi
- Paid ad options inclusive of Banner ads, Featured ads, and Priority listings

Ideal Skills and Experience:
- Expertise in developing C2C marketplaces
- Proficiency in mobile app development for both iOS and Android
- Familiarity with integrating ad systems, especially Google AdMob
- Experience in implementing chat functionalities within apps
- Capability to incorporate multi-language support

Your bid should reflect your understanding of these requirements and showcase similar projects you've successfully completed.