Processed 5,000+ events with zero data loss, reduced Lambda invocations by 90%, enforced least-privilege IAM roles, and managed infrastructure as code using Terraform and CDK.

Built event-driven systems with AWS Lambda, Kinesis, DynamoDB, SQS, and CDK; implemented ADR governance CI with GitHub Actions; automated AWS infrastructure with Terraform, Jenkins, and Docker.

Developed microservices with NestJS + AWS, managed event-driven architectures with Kafka and Kinesis, implemented CI/CD with CodePipeline, and enforced security at API Gateway using Cognito and IAM.

Designed and operated 3 production microservices on ECS Fargate via CodePipeline, implemented Kafka event streaming, Cognito user pools with JWT-based auth, and Kinesis-based event streaming.