Single-table modeling in DynamoDb

I need a pair of helping hands on our data layer. I'm utilizing DynamoDb as the main data store, so it will be nice if you have experience in modeling with DynamoDb, especially with the single-table/wide-column strategy. Here are a few cool apps we've built lately: [login to view URL] [login to view URL] [login to view URL] Deliverables 1. Model the dynamo schema 2. Implement the queries and mutations based on a provided GraphQL schema.