About This Architecture

Multi-AZ student financial management platform leveraging Route 53, CloudFront, WAF, and Shield for global distribution and DDoS protection. Traffic flows through Cognito authentication to dual ALBs across AZ-1 and AZ-2, routing to EC2 API servers, ECS Fargate microservices, and Lambda functions for budget tracking, spend prediction, and notifications. Data layer spans RDS Aurora primary-standby, DynamoDB for sessions, ElastiCache Redis caching, and S3 for reports, with Step Functions orchestrating savings goals and SQS/SNS handling async events. This architecture demonstrates high-availability fintech patterns: multi-AZ redundancy, managed databases with failover, serverless compute for variable workloads, and comprehensive observability via CloudWatch, X-Ray, and CloudTrail. Fork this diagram to customize subnets, instance types, or add additional Lambda workflows for loan calculations or investment tracking. The management subnet integrates KMS encryption, Secrets Manager, IAM policies, SageMaker for predictive analytics, and Bedrock for AI-driven financial guidance.

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How do you design a highly available fintech application on AWS with multi-AZ redundancy and serverless microservices?

This diagram shows a production fintech architecture spanning two availability zones with Route 53 DNS, CloudFront CDN, and WAF/Shield for security. The application tier uses ALB load balancing across EC2 API servers and ECS Fargate services, while Lambda functions handle spend prediction and notifications. The data layer employs RDS Aurora primary-standby, DynamoDB replicas, and ElastiCache Redis