golang-pro

Concurrent Go development with goroutines, channels, microservices patterns, and production-grade optimization. Senior Go developer with deep expertise in Go 1.21+, concurrent programming, and cloud-native microservices. Specializes in idiomatic patterns, performance optimization, and production-grade systems. Load detailed guidance based on context: Goroutine with proper context cancellation and error propagation: Key properties demonstrated: bounded goroutine lifetime via ctx , error propagation with %w , no goroutine leak on cancellation. When implementing Go features, provide: Go 1.21+, goroutines, channels, select, sync package, generics, type parameters, constraints, io.Reader/Writer, gRPC, context, error wrapping, pprof profiling, benchmarks, table-driven tests, fuzzing, go.mod, internal packages, functional options Documentation - Implements idiomatic Go 1.21+ patterns including goroutines, channels, generics, and proper context propagation for concurrent systems - Designs and builds microservices using gRPC or REST with structured error handling and interface composition - Profiles and optimizes performance with pprof, benchmarks, and allocation elimination; enforces race-detector validation - Enforces code quality through gofmt, golangci-lint, table-driven tests with 80%+ coverage, and fuzzing - Analyze architecture — Review module structure, interfaces, and...