Experience with one or more of the following AWS services: AWS Step Functions, AWS End User Messaging, API Gateway, Amazon Simple Storage Service (Amazon S3), Amazon DynamoDB, Amazon Aurora, Amazon Relational Database Service (Amazon RDS), Amazon Kinesis, AWS Identity and Access Management (IAM), AWS Key Management Service (AWS KMS), AWS Secrets Manager, AWS CloudTrail, or AWS Systems Manager. Experience designing or building serverless, event-driven, API-based, messaging, or data-processing solutions using AWS Lambda, Amazon EventBridge, Amazon Simple Notification Service (Amazon SNS), Amazon Simple Queue Service (Amazon SQS), Amazon Simple Email Service (Amazon SES), and Amazon CloudWatch.