AI Agent Developer for IELTS Preparation Platform — Logic, Sub-Agents & UI Integration

We are building an AI-powered IELTS preparation website and are looking for a developer who can help us design and implement the AI agent system. The platform will include several specialized AI sub-agents for IELTS preparation, such as: IELTS Writing evaluation agent IELTS Speaking evaluation agent Grammar and vocabulary analysis agent IELTS score calculation and band estimation logic Personalized feedback and study recommendation agent Student performance analysis agent The selected freelancer should also help us create a simple and professional user interface for displaying AI results, scores, feedback, strengths, weaknesses, and recommendations. Main Responsibilities Design the architecture for multiple AI sub-agents Build prompts, workflows, and communication logic between agents Create IELTS band-score calculation logic Connect the AI system to our website or API Build or improve the UI for showing evaluation results Make the system easy to expand with additional agents later Provide clean, understandable, and documented code Expected Deliverables Working AI-agent MVP At least 2–3 functional IELTS sub-agents IELTS score and feedback calculation logic Basic responsive results dashboard UI API or backend integration Source code and setup instructions Short documentation explaining how the system works Preferred Skills OpenAI API or similar LLM APIs AI agents and prompt engineering LangChain, LangGraph, CrewAI, or custom agent workflows React, Next.js, or similar frontend framework Node.js, Python, NestJS, or FastAPI Experience with education, IELTS, assessment, or scoring systems Good UI/UX understanding Budget Fixed budget: $250 This budget is for an initial MVP or first development phase. Additional work may be offered if the first phase is completed successfully. When Applying, Please Answer Have you built AI agents or multi-agent systems before? Which framework would you use for this project? How would you calculate and structure IELTS band-score feedback? Can you handle both the AI logic and basic frontend UI? What can you realistically complete within the $250 budget? Please share relevant AI, education, or assessment projects. Important We are not looking for someone who only sends basic prompts to ChatGPT. We need a developer who understands structured AI workflows, scoring logic, JSON outputs, validation, API integration, and clear UI presentation.