HA Web App: ALB + EC2 + RDS
Built a production VPC with public/private subnets, ALB, Auto Scaling EC2 instances, and Multi-AZ RDS. Configured least-privilege IAM, security groups, and CloudWatch alarms. Provisioned via CDK/CloudFormation.
Serverless REST API
Implemented API Gateway routing to Lambda functions with DynamoDB backend. Fronted by S3 + CloudFront and configured IAM roles, throttling, CORS, and CloudWatch logging.
Monitoring & Ops
Built CloudWatch dashboards, alarms, and SNS notifications. Connected alarms to SSM automation for guided remediation and added log metric filters for proactive monitoring.
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