Kenesis and SES, maybe. But Dynamo would be pretty easy to replace with something like Mongo provided that you abstract your databases access code and don't hav

Kenesis and SES, maybe. But Dynamo would be pretty easy to replace with something like Mongo provided that you abstract your databases access code and don't have a lot of backend specific code missed with your business logic. A lot of serverless apps use Graphql for this purpose since Graphql is backend agnostic.