Golang

Tell about your experience working with user segmentation systems. What data volumes were processed?

Чем отличаются интерфейсы от обобщенных типов в программировании?

Can you explain what the Error type in Go language is and how it is used for error handling?

Junior — Middle

Wildberries

OZON

Is it possible to send messages directly to a specific Consumer in Kafka instead of using a Consumer Group?

Junior — Middle

Сбер Контакт

Can you tell about the testing process you used in your last project?

What methods can be used to replace a specific character or substring within a string?

Junior — Middle

Wildberries

What is the difference between using the WithTimeout function and WithDeadline in the context of execution time control?

What is the time complexity of searching for an element by key in a map data structure?

Junior — Middle

Avito

What category of multitasking do locking mechanisms using mutexes belong to?

How does the scheduler mechanism decide when to apply an index in the database?

What methods exist to improve the performance of data serialization to JSON format?

How to implement and apply a hash index in a PostgreSQL database to speed up data search?

What determines the access scope of a variable declared with the private modifier?

Junior — Middle

Газпром

Газпромбанк

How do you resolve disagreements with colleagues regarding work issues?

What approaches can be used to optimize string concatenation in code?

What operations exist on slices in Go?

Senior

VK Cloud

How are parameters passed in functions in Go?

Can you explain the mechanism of asynchronous and preemptive tasks in systems?

Explain the differences between the commit, branch, and tag commands in a version control system.

What data is stored in a pointer inside a slice structure?