Comprehensive Party Planning App Development

I'm seeking an experienced developer to create a web and mobile app for busy individuals who want to host unforgettable events without the hassle of traditional event planning. The app will serve as a virtual event planner, offering smart solutions for seamless celebration organization.

Key Features:
- Budget Tracker
- Mood Board Creator: User-generated based on prompts
- Task & Budget Planner: Preloaded templates for events
- Guest Experience Management: RSVPs, dietary needs, seating charts, gift tracking
- Vendor Hub: Selection tools, contract management, meeting scheduling
- Menu Planner: Curated menus based on event type and dietary needs
- Centralized Shopping List
- Logistics & Transport Coordination
- Progress Dashboard: Visualize milestones, budget, and key metrics

Platforms: Web, iOS, Android
User management and role-based access control

Ideal Skills & Experience:
- Proficiency in app development across multiple platforms
- Strong UI/UX design experience
- Project management tools integration
- Expertise in database management for vendor and guest data
- Excellent communication skills for ongoing collaboration

Please provide a portfolio showcasing similar projects and a rough timeline for development. Looking forward to your bids!