Laravel/Next.js Backend Migration & Enhancement

Migrate Lead Marketplace Platform to Laravel/Next.js
Project Title
Full-Stack Developer Needed: Migrate React/Supabase Platform to Laravel + Next.js

Project Overview
We have a fully functional lead marketplace platform built on Lovable with React, Vite, TypeScript, and Supabase. We need an experienced full-stack developer to migrate this to a Laravel backend with a Next.js frontend, while preserving all existing functionality and adding new e-commerce features.

Current Technology Stack
Frontend: React 18, Vite, TypeScript, Tailwind CSS, shadcn/ui
Backend: Supabase (PostgreSQL database, authentication, edge functions, storage)
Payments: Stripe integration
External APIs: Mapbox, Resend (email), AI integrations
Infrastructure: Hosted on Lovable Cloud
Target Technology Stack
Backend: Laravel 11.x (PHP 8.2+)
Frontend: Next.js 14+ (App Router), React 18+, TypeScript
Database: PostgreSQL 15+
Authentication: Laravel Sanctum or Passport
Styling: Tailwind CSS, shadcn/ui components
Deployment: Your recommendation (Vercel, AWS, DigitalOcean, etc.)
Existing Features to Migrate
1. User Management & Authentication
Multi-role system (Contractor, Advertiser, Admin)
User registration and login (email/password)
Profile management for each role type
CRITICAL BUG: Non-functional logout button (must be fixed in migration)
Role-based access control and permissions
2. Contractor Features
Lead browsing and filtering
Lead preview (masked contact information)
Lead purchasing system with shopping cart
Dynamic pricing based on lead age and purchase count
Dashboard with purchased leads and analytics
Payment method management
3. Advertiser Features
Ad campaign creation and management
Two ad types: Banner ads ($3,999/mo) and Tile ads (state-based pricing)
AI-powered ad builder with image generation
State-based targeting (US congressional districts)
A/B testing system with statistical significance tracking
Campaign analytics (impressions, clicks, conversions, CTR)
Budget tracking and view limits
Ad scheduling and automated deployment
4. Lead Management System
Lead submission form (public-facing)
Lead verification and approval workflow
Dynamic pricing algorithm:
First purchase: $225
Purchases 2-4: Decreases by $25 each
Purchase 5+: $75
Time-based decay: Drops to $25 after 30 days
Lead access control (only purchasers can see full details)
5. Advertising System
Banner ad rotation (homepage)
Tile ad display (6 tiles per side, 240x80px)
Ad impression and click tracking
State-based geo-targeting
Ad image caching system
View limit monitoring with email alerts
6. Payment Processing
Stripe integration for lead purchases
Stripe integration for ad campaign subscriptions
Payment method storage
Transaction history
Refund handling
Batch lead purchasing
7. Content Management
Blog post creation and editing (rich text editor)
Blog post scheduling
Image upload and management
SEO optimization features
8. AI Features
AI-powered ad image generation
AI chat assistant
Logo extraction from websites
Website screenshot capture
9. Analytics & Reporting
Contractor dashboard analytics
Advertiser campaign performance metrics
A/B test statistical analysis
Cost savings tracking (ad image cache)
PDF report generation
10. Email Notifications
Contact form submissions
Lead purchase confirmations
Advertiser confirmation emails
View limit warning alerts
A/B test significance alerts
New Features to Implement
E-Commerce Functionality
Product catalog management
Shopping cart system (expand beyond lead purchases)
Product listings with images, descriptions, pricing
Inventory management
Order management system
Multiple payment options
Order tracking
Email notifications for orders
Product search and filtering
Product reviews and ratings (optional)
Enhanced Features
Improved admin panel for managing users, leads, and campaigns
Enhanced reporting and analytics
Automated email marketing integration
Advanced search and filtering
API for potential third-party integrations
Database Schema (Existing)
The current database includes these main tables:

profiles, user_roles
leads, lead_purchases
ad_campaigns, advertisements, advertiser_profiles
ad_impressions, ad_clicks
ab_tests, ad_variants, variant_impressions, variant_clicks, variant_conversions
blog_posts
ad_image_cache, ad_image_cache_stats
Various supporting tables
Full schema export can be provided to selected candidate.

Required Skills
Must Have:

Expert-level Laravel development (5+ years)
Advanced Next.js with App Router experience (3+ years)
PostgreSQL database design and optimization
RESTful API development
Stripe payment integration
TypeScript proficiency
Git version control
Experience with full project migrations
Highly Preferred:

React component library experience (shadcn/ui or similar)
Experience with edge functions/serverless architecture
Email service integration (Resend, SendGrid, etc.)
AI API integration (OpenAI, Anthropic, etc.)
A/B testing implementation
E-commerce platform development
Real-time features (WebSockets, Server-Sent Events)
Deliverables
Phase 1: Backend Migration (Laravel)
Complete database migration with schema optimization
Authentication system with multi-role support
RESTful API for all existing functionality
Business logic implementation (pricing algorithms, A/B testing)
External API integrations (Stripe, email, AI services)
Admin panel for database management
Comprehensive API documentation
Phase 2: Frontend Migration (Next.js)
All existing pages and components rebuilt
Responsive design preserved
State management implementation
API integration with Laravel backend
SEO optimization
Performance optimization
Phase 3: E-Commerce Implementation
Product catalog system
Enhanced shopping cart
Order management
Payment processing
Email notifications
Phase 4: Testing & Deployment
Unit tests for backend (PHPUnit)
Integration tests for API endpoints
E2E tests for critical user flows (Playwright)
Deployment configuration
CI/CD pipeline setup
Production deployment with SSL
Data migration from existing database
Phase 5: Documentation & Handover
Technical documentation
API documentation
Deployment guide
Environment setup instructions
Admin user guide
30 days of post-launch support for bug fixes

Budget
Open to proposals. Please provide:

Your hourly rate or fixed project price
Estimated hours breakdown by phase
Any additional costs (third-party services, deployment, etc.)
Application Requirements
To apply, please provide:

Portfolio: Links to 2-3 similar projects (especially migrations or marketplaces)
Proposal: Brief explanation of your approach to this migration
Timeline: Your estimated timeline for each phase
Budget: Your pricing structure and total estimated cost
Questions: Any questions or clarifications you need
References: Contact information for 2 previous clients
Important Notes
Full codebase access will be provided via GitHub after candidate selection
Current site is fully functional - migration must maintain feature parity
We prefer fixed-price milestones tied to phase completion
Regular communication required (weekly progress updates minimum)
Code reviews will be conducted at each phase completion
Payment will be released upon successful phase completion and testing
How to Apply
Please submit your proposal with all required information listed above. Applications without portfolio examples or detailed proposals will not be considered.

Project Type: Fixed Price or Hourly (specify your preference)
Experience Level: Expert

Interview Questions for Shortlisted Candidates
Have you migrated a similar-sized application before? Please describe.
How would you handle the data migration without downtime?
What's your approach to maintaining the existing Stripe integration?
How would you implement the dynamic pricing algorithm in Laravel?
What testing strategy would you recommend?
What hosting solution would you recommend and why?