Apollo Client BFF (Backend for Frontend) - Go - gqlgen App - Swift - SwiftUI - SnapshotTesting - ReSwift - Kotlin - Jetpack Compose - Redux Backend - PHP - Kotlin / Java Microservice - Go - Kotlin GraphQL gRPC HTTPS / WebAPI Infrastructure AWS, Docker, Fastly, Signal Sciences, Firebase, Terraform Data Source Amazon Aurora, Elasticsearch, ElastiCache(Redis), Amazon DynamoDB DevOps GitHub, CircleCI, Bitrise, Datadog, mabl, Rollbar