ClearWay

Where, in your opinion, does high load begin? What is the boundary between high load and not high load?

What are the types of synchronous and asynchronous inter-service interactions, what tools are used for them, and what have you used in practice?

Describe the compilation process of a Go program: what happens when you run go build?

How do you enrich errors with context in Go and pass them further while preserving the original error?

What development methodologies have you worked with? Which are the most convenient?

How is garbage collection implemented in Go and what trade-offs does it make between latency and throughput?

What is a B-tree index and why is it most frequently used?

Tell about PostgreSQL's transactional model: ACID, MVCC, isolation levels.

What are strings in Go, and what are their features?

In Kubernetes, how do service replicas interact and what information do they share?

What are the typical causes of goroutine leaks in production systems and how do they affect the runtime behavior of the service?

What are the differences between gRPC and REST?