AI-Powered Exam-Prep Platform Development

I am building an AI-powered, adaptive exam-prep platform for Nigerian secondary school students preparing for WAEC, JAMB, and NECO. The platform delivers personalized tutoring, CBT simulation, and a past question bank at an affordable price point designed for mobile-first, low-bandwidth access across Nigeria. I need you to help me identify and place two developers who can build the MVP within 8 to 12 weeks and continue contributing through the product's first major release. ROLE 1: Full Stack Developer (Immediate, Full-Time or Long-Term Contract) This is my primary hire. I need a mid-level developer with 2 to 4 years of experience who can own the product build end-to-end. Required Skills: - React or Next.js (web frontend) - Node.js with Express or Fastify (backend API) - Supabase (PostgreSQL, auth, real-time subscriptions) - REST API integration: Paystack, WhatsApp Business API, TutorAI conversation layer - Mobile-responsive design with a mobile-first approach - Git, GitHub, and CI/CD basics - Vercel or Railway deployment Strong Preference For: - Prior EdTech or consumer app product experience - Familiarity with CBT platform UI patterns - Understanding of Nigerian user behavior and low bandwidth optimization ROLE 2: AI Integration Developer (Part-Time Contract, 20 Hours Per Month) I need a mid- to senior-level developer to connect an open-source AI tutoring repository to the product layer, implementing adaptive dialogue and a subject-specific knowledge base. Required Skills: - Python - LangChain or LangGraph - RAG implementation using Pinecone, Chroma, or Supabase pgvector - Prompt engineering for educational dialogue - API design connecting an AI layer to a Node.js backend - Basic understanding of adaptive learning systems Strong Preference For: - Prior experience building AI tutoring or chatbot products - Familiarity with Nigerian exam content (WAEC, JAMB, NECO) - NLP or text classification experience ROLE 3: Mobile Developer (Post MVP, Future Hire) After MVP validation, I will need a developer to build a PWA or React Native wrapper optimized for low-bandwidth Nigerian networks. I am not hiring for this role immediately, but would welcome your guidance on pipeline options. Skills Needed When Ready: - React Native or Flutter - Offline-first architecture - PWA implementation - Low data mode optimization Budget and Timeline: - Role 1: Ready to hire now. Flexible on engagement structure. - Role 2: Part-time contract, 20 hours per month. - MVP target: 8 to 12 weeks from the developer start date. - Preferred start: As soon as a qualified match is identified. I would welcome a conversation about how you can match me with vetted talent for these roles and what the engagement and payment process looks like for a startup client.