Ana-Maria Satirbasa developed and delivered the DynamoDB Map Flattening feature for the aws/aws-sdk-java-v2 repository, enabling the @DynamoDbFlatten annotation to flatten both Map and Object attributes into top-level DynamoDB record fields. She updated the core mapping logic in Java, applying object-oriented principles to support new flattening scenarios while introducing integrity constraints to prevent attribute conflicts. Ana-Maria also revised documentation and created integration tests to ensure the feature’s correctness and maintainability. Her work demonstrated a deep understanding of API design and DynamoDB data modeling, providing a robust solution that enhances flexibility for developers using the AWS SDK in Java.