Contact person: Business Client

Phone:Show

Email:Show

Location: Bhopal, India

Budget: Recommended by industry experts

Time to start: As soon as possible

Project description:
"Project Title:
Build / Upgrade Real-Time Voice and Camera Based Billing Website + Cross-Platform App (Reference: [login to view URL])

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Project Description:

I need an experienced full-stack developer or team to either improve my existing website ([login to view URL]) or build a completely new system with advanced voice and camera automation for real-time billing and invoice management. The product must be production-ready, mobile-friendly, and cross-platform (web, Android, iOS, Windows, macOS).

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Core Requirements:
1. Voice Command Integration:
• Create, edit, and manage invoices using voice commands.
• Example: “Create invoice for Ramesh ₹500 due tomorrow.”
• Use speech-to-text and text-to-speech (Google Speech-to-Text, Web Speech API, AssemblyAI, or AWS Transcribe).
• Show transcribed text for confirmation before performing actions.
2. Camera Recognition System:
• First-time user captures 2–3 images of a product and sets its price.
• Next time, the camera automatically recognizes the item and fills in the price.
• Use Google Vision API, AWS Rekognition, or TensorFlow Lite.
• Must work quickly (within 2–3 seconds) on mobile devices.
3. Main Modules:
• Signup/Login (Email, OTP, Google) with role-based access (Owner, Staff, Customer).
• Business profile setup with logo, tax details, GST info.
• Invoice management with real-time payment status updates (Paid, Pending, Partial, Overdue).
• Share invoices as PDFs via WhatsApp/Email.
• Customer and payment history including loan/udhaar tracking and full transaction logs.
• Reports and analytics with PDF/CSV export.
• AI suggestions for smart descriptions and reminders (optional via OpenAI or Azure OpenAI).
• In-built browser inside the app for payment gateways or reports.
4. Real-Time and Offline Functionality:
• Real-time updates across devices using WebSockets, Firebase, or Supabase.
• Offline mode for invoice creation with automatic sync once online.
• Conflict-free synchronization with consistent data updates.
5. Technology Preferences:
• Frontend (Web): React or [login to view URL] (mobile-first).
• Backend: Node.js (Express/Nest) or Python (FastAPI).
• Database: PostgreSQL + Redis for caching.
• Realtime: [login to view URL], Firebase, or Supabase.
• Storage: AWS S3 or Cloudinary for image/PDF storage.
• Mobile Apps: Flutter or React Native for Android, iOS, Windows, macOS.
• AI/Voice/OCR: Google Speech API, Tesseract OCR, TensorFlow.
• Payments: Razorpay, Stripe, or PayPal.
6. Security and Quality:
• Fully secure with HTTPS and OWASP best practices.
• Audit logs for all user activities.
• Automated backups and database protection.
• Clean UI, responsive layout, and fast mobile performance.
• Production-grade implementation (no mock/demo data).

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Priority:
• 100% Mobile-first design.
• Real-time operation.
• Cross-platform app (Web, Android, iOS).
• Fast and accurate voice and camera integration.

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Deliverables:
• Fully working website and admin panel.
• Cross-platform mobile apps.
• Source code (frontend, backend, app).
• Database schema and ER diagram.
• API documentation (Swagger/OpenAPI).
• Hosted demo link.
• CI/CD setup and deployment guide.
• 30 days of post-delivery bug fix support.

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Bonus Features (Optional):
• WhatsApp Business API for sending invoices.
• Smart reminders for overdue payments.
• Multi-business account switching.
• AI chatbot for user support and billing suggestions.

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Reference Website:
[login to view URL] (for structure and flow reference)

I want an improved, real, and fully functional system with all features mentioned above.

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To Apply:
Please include the following in your proposal:
1. Your short plan or architecture summary.
2. Voice and camera tech stack you plan to use.
3. Links to similar projects you’ve built.
4. Your cost (fixed or hourly) and estimated timeline.
5. GitHub or LinkedIn profile.
6. Post-delivery support details.

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Note:
The project must be built with real data and working functionality, not demo flows. The system should work smoothly on all devices," (client-provided description)