Survey & Preference Engine

• Dynamic survey builder
• Weighted scoring system
• Adaptive questioning flow

Semantic Search Engine

• Sentence Transformer embeddings
• FAISS vector search
• Hybrid (semantic + keyword) search
• Periodic re-indexing pipeline

Course Recommendation Logic

• Ranking using survey + similarity
• Personalization layer
• Diversity & exploration strategies

Backend (FastAPI)

API Development

• REST APIs with FastAPI
• Survey, recommendation & search endpoints
• Pagination, filtering, sorting

Data Processing

• Course metadata ingestion
• Embedding pipelines
• Batch & real-time support

User Management

• JWT authentication
• User profiles & preferences
• Recommendation history

Frontend (Next.js)

UI

• Interactive survey flow
• Recommendation results page

UX Features

• Responsive design
• Loading states & animations
• Bookmark/save courses

Data & Content

• Course dataset integration
• Admin panel
• Tagging & categorization

Analytics & Feedback

• User interaction tracking
• Feedback system
• Continuous model improvement

Performance Optimization

• Embedding caching
• FAISS optimization (IVF, HNSW)
• API performance tuning

Testing & Validation

• Unit & integration tests
• Metrics: Precision@K, Recall, NDCG
• A/B testing

Deployment & DevOps

• Docker containerization
• CI/CD pipeline
• AWS / GCP / Vercel deployment
• Scalable architecture

Security & Compliance

• Secure APIs & validation
• User data privacy
• Rate limiting & abuse protection

Documentation

• API docs (Swagger)
• Architecture diagrams
• Developer guide
• User guide

Advanced Features

• Multi-language recommendations
• Coursera/Udemy integration
• LLM explanation (“Why this course?”)
• Chatbot assistant
• Skill gap analysis & learning paths