Python AI Engineer Needed for Marketing SaaS Platform

We are looking for an experienced Python AI Engineer to design and build an AI-powered marketing SaaS platform. The project requires strong expertise in AI architecture, backend development, LLM applications, and scalable cloud systems. Before development starts, you will be responsible for creating the system architecture design, including AI workflow, database structure, API design, infrastructure, and MVP implementation roadmap. Responsibilities: Design AI SaaS architecture and technical roadmap Build AI features using LangGraph, RAG, Vector Database, OpenAI, and Claude Develop backend services with Python, FastAPI, and PostgreSQL Build scalable APIs and third-party integrations Implement authentication, billing, and subscription systems using Stripe Collaborate on React frontend integration Deploy and optimize applications on AWS Deliver a functional MVP within 2 months Required Skills: Strong Python backend development experience Experience building LLM applications and AI agents Hands-on experience with LangGraph, RAG, and vector databases Knowledge of PostgreSQL database design Experience with AWS deployment and cloud architecture Experience integrating APIs and SaaS platforms Familiarity with React and modern frontend workflows Experience with Stripe payment integration We are looking for someone who can think architecturally, build production-ready AI systems, and move quickly from concept to MVP.