Developers who obtain this certification demonstrate strong familiarity with Apollo Federation concepts. They can apply those concepts to build a federated supergraph or move an existing monolithic graph to federation.
Apollo Graph Developer - Professional
Basic knowledge of GraphQL and Apollo libraries, as covered in the Apollo Graph Associate Developer Certification
Apollo Federation 2
List the benefits of Apollo Federation and managed federation
Describe the components of a federated graph architecture (subgraphs, gateway, supergraph schema, Apollo Uplink)
Summarize the process of managed federation
Components of a supergraph architecture
Explain how a query travels from the client to the gateway to subgraphs
Create subgraphs and a gateway using Apollo packages
Subgraph schema design and syntax
Use Apollo federation directives such as @shareable, @key and @inaccessible
Create and reference entities in a subgraph schema
Contribute fields to entities in a subgraph schema
Define value types in a subgraph schema
Subgraph resolvers
Describe and implement reference resolvers and entity representations
Authentication in a supergraph
Explain how to pass authorization headers from the client to the gateway to subgraphs
Schema checks
List the benefits of schema checks
Describe what composition checks are and how to run them using Rover
Describe what operation checks are and how to run them using Rover
Use Apollo Studio to navigate schema checks and address errors
Graph variants
Explain what a graph variant is and what it's useful for
Publish a subgraph schema to a graph variant in Studio
Observability in Apollo Studio
Define a trace and a federated trace
Define field usage metrics: field executions and referencing operations