Title: Independent AI Systems Engineer – GPT-Based Platform Build (MVP + Potential Ongoing Work) Description: I am building a modular AI-powered platform for qualified therapists and am seeking an experienced independent AI systems engineer to design and implement the backend architecture. This will begin as a defined MVP build, with potential for ongoing collaboration and maintenance. Independent contractors only. Initial Scope: Modular GPT-based agent framework (OpenAI API) Structured output extraction from voice interviews RAG-based memory system (vector database) Role-based access control Subscription/payment integration (e.g., Stripe) Secure user authentication Clean technical documentation Please include: Relevant projects Preferred tech stack Estimated MVP budget range Availability