Full-Stack + AI Developer — Rebuild BizSold.com (Business Marketplace Platform)

We are rebuilding BizSold.com — Canada's leading marketplace for buying and selling businesses, franchises, and commercial properties — into an AI-powered platform that dominates SEO and qualifies high-intent buyers automatically. Our goal: outperform BizBuySell.com in search rankings and lead quality within 12 months of launch. --- WHAT YOU WILL BUILD --- 1. SEO ARCHITECTURE - Auto-generated city + industry landing pages at scale (e.g. /restaurants-for-sale-toronto/, /manufacturing-businesses-for-sale-vancouver/) - Schema.org structured data on every listing - Server-side rendering (Next.js) for full Google indexability - Core Web Vitals optimized - XML sitemaps auto-updated on new listings 2. AI-POWERED SEARCH - Natural language search using LLM + vector embeddings ("show me profitable cafes in Ontario under $250K") - Semantic similarity matching beyond keyword search - Pinecone or pgvector for listing embeddings - Claude or GPT-4 API for query understanding 3. BUYER INTENT SCORING ENGINE - Score buyers 1–10 based on: search behavior, listing views, saved searches, financial filters, inquiry history - Flag "hot" buyers to brokers in real time - Dashboard showing broker their top qualified leads 4. AI QUALIFICATION CHATBOT - Conversational bot that asks buyers: budget, timeline, industry, experience level - Routes high-intent buyers to relevant listings + brokers - Disqualifies tire-kickers automatically 5. LISTING MANAGEMENT - Broker dashboard to add/edit listings - LLM auto-generates SEO listing descriptions from seller data - Photo uploads, pricing tiers, featured placement 6. PLATFORM FEATURES - User auth (buyers, sellers, brokers — 3 roles) - Email/SMS alerts for saved searches - Mobile-first responsive design - Admin panel for managing listings + users --- TECH STACK (preferred, open to discussion) --- Frontend: Next.js 14, TypeScript, Tailwind CSS Backend: Node.js or Python (FastAPI) Database: PostgreSQL + pgvector or Pinecone Search: Elasticsearch or Algolia AI: OpenAI GPT-4 or Anthropic Claude API Hosting: AWS or Vercel + Railway --- WHO WE ARE LOOKING FOR --- - Agency or team of 6 or more developers (NOT solo freelancer) - Experience building marketplace or listing platforms - Proven LLM integration in production - Strong English communication + weekly video calls required - All code committed to OUR GitHub repo from day one - Fixed price bids preferred (milestone-based payments) --- PROJECT DETAILS --- Timeline: 10–14 weeks for full MVP Location: India preferred Engagement: Fixed price, milestone payments Start date: Immediate To apply, please include: 1. Link to a marketplace or listing platform you have built 2. Brief description of how you would approach the AI search feature 3. Your fixed price bid and team breakdown Applications without portfolio links will not be reviewed.