Technology Stack

• Backend: AWS Lambda + API Gateway (Serverless)
• Database: Amazon DynamoDB + Amazon Timestream
• Authentication: AWS Cognito
• IoT: AWS IoT Core + AWS IoT Wireless (LoRaWAN)
• Storage: Amazon S3
• Frontend: Next.js (React) with TypeScript
• Mobile App: Expo with TypeScript
• Real-time: WebSocket API Gateway
• Deployment: Serverless Framework

Serverless Architecture

• Auto-scaling: Lambda functions scale automatically
• Pay-per-use: Cost optimization based on actual usage
• Global Distribution: CloudFront CDN for frontend assets

Database Optimization

• GSI Indexes: Optimized query patterns
• Stream Processing: Real-time data processing
• Time Series: Efficient time-based queries

Caching Strategy

• API Gateway: Response caching