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0+ curated questions with the same answer shape every time: quick recap, deep dive, pitfalls, and follow-ups. Coverage includes .
gRPC with Go is the most interview-tested protocol topic for Go backend roles — Go is the lingua franca of gRPC services, and almost every cloud-native company uses gRPC for internal service communication. This module covers the protobuf definition workflow (.proto file → protoc-gen-go → generated code), the four gRPC service types in Go (unary RPC for request/response, server streaming for paginated or event streams, client streaming for batch uploads, bidirectional streaming for realtime two-way communication), gRPC interceptors as Go's equivalent of HTTP middleware (UnaryInterceptor and StreamInterceptor), grpc.Dial with TLS, service discovery and load balancing with gRPC-Go, status codes and error propagation across service boundaries, and the gRPC vs REST comparison that comes up in every Go system design interview: when does the binary protocol, strong typing, and HTTP/2 multiplexing justify the protobuf toolchain overhead?
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