AI Software Developer / AI Agent Engineer (Build an AI Business Platform from Scratch)

I am looking for an experienced AI Software Developer or AI Agent Engineer to help build an innovative AI-powered business platform from scratch. I want to build a scalable AI business that can eventually serve thousands of customers and generate recurring subscription revenue. The successful freelancer should have experience designing production-ready AI systems, not just connecting APIs. Project Goals The platform should: * Build autonomous AI agents that perform real business tasks. * Automate business workflows. * Connect with websites and databases. * Integrate with CRMs and third-party applications. * Support multiple AI agents working together. * Be cloud-based and scalable. * Include user accounts, subscriptions, and payment processing. * Provide an admin dashboard. * Be designed for future expansion into a SaaS business. Required Skills Please apply only if you have experience with most of the following: AI * OpenAI API * Anthropic Claude API * Google Gemini API * LangGraph * LangChain * CrewAI * AutoGen * Retrieval-Augmented Generation (RAG) * Vector databases * AI agent orchestration * Prompt engineering * MCP (Model Context Protocol) Backend * Python * FastAPI * Node.js (optional) * REST APIs * GraphQL (optional) Databases * PostgreSQL * MongoDB * Redis Cloud * AWS * Azure * Google Cloud DevOps * Docker * Kubernetes * GitHub * CI/CD pipelines Frontend * React * Next.js * Tailwind CSS Authentication * OAuth * JWT * User management Payments * Stripe * Subscription management Deliverables The project should include: * Complete system architecture * Database design * AI agent framework * Source code * Documentation * API documentation * Deployment instructions * Testing * Security best practices * Production-ready code Nice to Have Experience with: * Salesforce * Zapier * n8n * Make.com * Slack integrations * Microsoft 365 * Google Workspace * WhatsApp Business API * Voice AI * Speech-to-text * Text-to-speech Please Include in Your Proposal 1. Links to AI agent projects you have built. 2. GitHub profile. 3. Portfolio. 4. Technologies you recommend for this project and why. 5. Estimated timeline. 6. Estimated cost. 7. Suggestions for improving the project architecture. 8. Whether you would build from scratch or use an existing framework. 9. Your experience deploying scalable SaaS applications. Project Type I am looking for a long-term technical partner rather than someone who will only complete a one-time task. If the first phase is successful, there will be ongoing work to add additional AI agents, automation features, integrations, and new products. Please begin your proposal with the words "AI Builder" so I know you have read the entire project description. Skills Required PHP Python Website Design Graphic Design Cloud Computing Software Architecture AI Chatbot Development AI Model Development AI Development AI Agents