Yes. Protocol buffers and grpc-gateway made it easy to scaffold out a quick api, write all the interior logic, and know that there would not be any major issues

Yes. Protocol buffers and grpc-gateway made it easy to scaffold out a quick api, write all the interior logic, and know that there would not be any major issues due to strong typing. We used Gogoproto to annotate the protobuf files so that database crud is easy too.