Core Development Team Structure

1. Senior Full-Stack Developer / Technical Lead

Primary Responsibilities: Overall system architecture, integration coordination, and technical decision-making

Required Experience:

• 5-7 years full-stack development experience
• 3+ years with Python web frameworks (Flask/FastAPI/Streamlit)
• 2+ years with vector databases (ChromaDB, Pinecone, or Weaviate)
• Experience with RAG architectures and LLM integration

Key Skills:

• Advanced Python programming with async/await patterns
• Database design and optimization (SQL + NoSQL)
• API design and RESTful services
• System architecture and scalability planning
• Performance optimization and caching strategies

Effort Required: 120-150 hours (3-4 weeks full-time)

• System design and architecture planning: 20 hours
• Core integration and orchestration: 60 hours
• Performance optimization and testing: 30 hours
• Documentation and deployment: 20 hours

2. AI/ML Engineer

Primary Responsibilities: RAG pipeline development, embedding optimization, and LLM integration

Required Experience:

• 3-5 years in NLP/ML engineering
• 2+ years with OpenAI APIs and embedding models
• Experience with vector similarity search and retrieval systems
• Knowledge of prompt engineering and LLM optimization

Key Skills:

• Deep understanding of transformer models and embeddings
• Vector database query optimization
• Semantic search algorithm development
• Prompt engineering and chain-of-thought reasoning
• Text preprocessing and chunking strategies

Effort Required: 100-120 hours (2.5-3 weeks full-time)

• RAG pipeline design and implementation: 40 hours
• Embedding strategy and optimization: 30 hours
• Confidence scoring and reliability algorithms: 25 hours
• Testing and fine-tuning: 25 hours

3. Frontend/UI Developer

Primary Responsibilities: Streamlit interface development, data visualization, and user experience

Required Experience:

• 3-4 years frontend development experience
• 2+ years with Streamlit or similar Python web frameworks
• Experience with data visualization libraries (Plotly, D3.js)
• UI/UX design principles and responsive design

Key Skills:

• Advanced Streamlit component development
• Interactive visualization with Plotly and custom charts
• Responsive layout design and CSS styling
• User experience optimization and accessibility
• Real-time data display and progress tracking

Effort Required: 80-100 hours (2-2.5 weeks full-time)

• Interface design and layout: 25 hours
• Interactive components and visualizations: 35 hours
• Real-time progress tracking: 20 hours
• Testing and polish: 20 hours

4. Web Scraping Specialist

Primary Responsibilities: Crawling engine development, content extraction, and anti-bot measures

Required Experience:

• 2-4 years web scraping and automation experience
• Knowledge of HTTP protocols, rate limiting, and ethical scraping
• Experience with BeautifulSoup, Scrapy, or Selenium
• Understanding of robots.txt, sitemaps, and web standards

Key Skills:

• Advanced web scraping techniques and content extraction
• Rate limiting and respectful crawling implementation
• HTML parsing and content cleaning algorithms
• Error handling and retry mechanisms
• Sitemap analysis and website structure discovery

Effort Required: 60-80 hours (1.5-2 weeks full-time)

• Crawling engine core development: 30 hours
• Content extraction and cleaning: 20 hours
• Website analysis and estimation: 15 hours
• Testing and optimization: 15 hours

5. DevOps/Deployment Engineer

Primary Responsibilities: Infrastructure setup, deployment pipeline, and production optimization

Required Experience:

• 3-5 years DevOps and cloud deployment experience
• Experience with containerization and cloud platforms
• Knowledge of CI/CD pipelines and infrastructure as code
• Database administration and backup strategies

Key Skills:

• Cloud platform expertise (AWS, GCP, Azure)
• Container orchestration and scaling strategies
• Database backup and disaster recovery
• Monitoring and logging implementation
• Security best practices and vulnerability assessment

Effort Required: 40-60 hours (1-1.5 weeks full-time)

• Infrastructure setup and configuration: 20 hours
• Deployment pipeline creation: 15 hours
• Monitoring and logging setup: 10 hours
• Security hardening and documentation: 15 hours

Specialized Consulting Roles

6. UX/UI Designer (Consultant)

Primary Responsibilities: User experience research, interface design, and usability optimization

Required Experience:

• 3+ years UX/UI design experience
• Experience with data-heavy applications
• Knowledge of information architecture and user research

Effort Required: 20-30 hours (consultant engagement)

• User research and persona development: 8 hours
• Interface mockups and design system: 12 hours
• Usability testing and iteration: 10 hours

7. Data Scientist (Consultant)

Primary Responsibilities: Analytics algorithms, confidence scoring, and performance metrics

Required Experience:

• 3+ years data science and analytics experience
• Statistical analysis and algorithm development
• Experience with similarity measures and clustering

Effort Required: 30-40 hours (consultant engagement)

• Confidence scoring algorithm development: 15 hours
• Analytics and metrics implementation: 15 hours
• Performance analysis and optimization: 10 hours

Team Coordination and Management

Project Manager

Effort Required: 60-80 hours across project duration

• Sprint planning and coordination: 20 hours
• Stakeholder communication: 15 hours
• Risk management and issue resolution: 25 hours
• Documentation and reporting: 20 hours

Quality Assurance Engineer

Effort Required: 50-70 hours

• Test plan development: 15 hours
• Automated testing implementation: 25 hours
• Manual testing and bug reporting: 20 hours
• Performance testing: 10 hours

Total Development Investment

• Core Team Effort: 400-530 hours (10-13 weeks with parallel development)
• Consultant Hours: 50-70 hours
• Total Project Hours: 450-600 hours

Timeline Estimate: 12-16 weeks with proper team coordination

Budget Considerations:

• Senior developers: $80-120/hour
• Mid-level developers: $60-80/hour
• Specialists/consultants: $100-150/hour
• Total estimated cost: $45,000-75,000

Critical Success Factors

Team Expertise Requirements:

• At least one team member with production RAG experience
• Strong Python ecosystem knowledge across the team
• Experience with real-time web applications
• Understanding of semantic search and NLP concepts

Collaboration Requirements:

• Daily standups for integration coordination
• Shared development environment with version control
• Comprehensive API documentation and testing
• Regular code reviews focusing on performance and security

Risk Mitigation:

• Prototype key integrations early (OpenAI API, ChromaDB)
• Plan for rate limiting and API cost management
• Build fallback mechanisms for external dependencies
• Implement comprehensive error handling and monitoring

This development effort represents a sophisticated, production-ready application requiring experienced professionals across multiple domains. The technical complexity necessitates senior-level expertise, particularly in AI/ML integration and scalable web application development.