Jermaine's Spotify Time Machine
A comprehensive web application enabling users to analyze their Spotify listening history, create custom playlists, and visualize musical preferences through interactive data analytics.

Experience advanced music analytics with interactive dashboards, automated playlist generation, and comprehensive listening history visualization. Built with enterprise-grade architecture and modern performance optimization techniques.
Key Technical Achievements
Enterprise-Grade Infrastructure
- • Sophisticated Spotify API client with request queuing
- • Exponential backoff retry logic
- • Rate limiting protection
- • Proactive token management with automatic refresh
Advanced Data Visualization
- • Interactive analytics dashboards
- • Listening trends charts
- • Genre evolution timelines
- • Progressive data loading and chunked processing
Modern Authentication System
- • Secure OAuth 2.0 flow with NextAuth.js
- • Automatic session management
- • Comprehensive error recovery mechanisms
Performance Optimization
- • React Query for advanced caching
- • Progressive data loading
- • Suspense boundaries
- • Core Web Vitals monitoring
Core Features
Analytics Dashboard
- • Top artists, tracks, and genres analysis
- • Comprehensive statistical breakdowns
- • Real-time token status monitoring
Listening History
- • Chronological monthly history
- • Infinite scrolling interface
- • Date range filtering
Playlist Management
- • Automated playlist generation
- • Custom playlist creator
- • Historical data integration
User Experience
- • PWA-compliant application
- • Mobile-first responsive design
- • Comprehensive error handling
Notable Implementation Details
API Management
- • Request deduplication with pending request mapping
- • 60-second timeout protection
- • Memory management with automatic cleanup
Production Architecture
- • Service worker caching strategies
- • Structured data markup
- • Zero-downtime deployment compatibility
Development Tools
- • Real-time monitoring and debugging
- • Modern build tools integration
- • Comprehensive metadata management
SEO & PWA
- • Progressive Web App compliance
- • Structured data implementation
- • Mobile-first optimization
Skills & Technologies
TypeScriptNext.jsReactNode.jsJavaScriptTailwind CSSNextAuth.jsPrismaPostgreSQLReact QueryOAuth 2.0API IntegrationData VisualizationPerformance OptimizationProgressive Web AppsDatabase DesignAuthentication SystemsResponsive DesignSearch Engine Optimization (SEO)Modern Build ToolsBiomeTrunk