Designing event-driven, serverless, and application programming interface (API)-led solutions using AWS services, including Lambda, EventBridge, Simple Notification Service (SNS), Simple Queue Service (SQS), Step Functions, API Gateway, Simple Email Service (SES), Identity and Access Management (IAM), CloudWatch, Amazon S3, and DynamoDB. 5+ years of experience designing, implementing, and supporting AWS-based solutions, including cloud architecture, APIs, integrations, event-driven design, security, observability, and operational readiness.