What are indexes in a database? What types of indexes are available in PostgreSQL?
Golang
What is needed to launch a service in Kubernetes?
SQL task: write a query to output Customer ID, Customer Name, Customer City for customers whose total quantity in January 2025 is more than 50.
Tell about yourself, your experience, and projects.
Did the candidate design systems independently or only participated in discussions? Which services?
What guarantees of delivery exist in Kafka? Tell me about At Most Once, At Least Once, Exactly Once.
Task 4: Find errors in code with channels and goroutines (double closing of a channel)
What synchronization primitives are available in Go? Tell about WaitGroup and Mutex.
On what basis was partitioning done in Amazon Athena?
Are you interested in infrastructure tasks rather than business domain?
What is the technical difference between Postgres and Redis? What are the principles of ACID?
How is container isolation implemented at the Linux kernel level? Please tell me more about namespaces.
What will happen in a program with a goroutine that writes to a channel and uses range over the channel without closing it?
Tell about your work experience.
Tell me about the principles of DRY and KISS.
What is profiling in Go? Have you used pprof?
What are atomic operations in Go?
What types of locks are there in PostgreSQL?
Tell us about your skills in working with network technologies.
What is Inversion of Control?