Go Interview - Intermediate Level
For developers with 2-4 years of Go experience. Master advanced concurrency, interfaces, testing, context, and production Go patterns.
25-30 minutes
2-4 years of Go experience
Who is this for?
Mid-level Go developers
Backend engineers building Go services
Developers working with microservices
Those preparing for mid-senior Go roles
What you'll practice
Advanced goroutine patterns
Using interfaces effectively
Testing Go code properly
Context for cancellation and timeouts
Building HTTP services
Error wrapping and handling
Topics covered
Advanced Concurrency
Channel patterns (buffered, select)
WaitGroups and sync primitives
Context package
Worker pools
Interfaces
Interface types
Composition over inheritance
Empty interface
Type assertions
Testing
Table-driven tests
Benchmarking
Test coverage
Mocking
Production Patterns
HTTP servers
JSON encoding/decoding
Database access
Error wrapping
Example questions
Q:
How do you implement a worker pool pattern in Go?
Q:
What is the purpose of the context package?
Q:
How do interfaces work in Go?
Q:
How do you write table-driven tests?
Q:
What is the difference between buffered and unbuffered channels?
Q:
How do you handle graceful shutdown in a Go service?
Preparation tips
Master concurrency patterns
Practice interface design
Write comprehensive tests
Learn context propagation
Build HTTP services
Understand Go best practices
Continue your journey
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