Backend Engineer Interview Questions

15,493 backend engineer interview questions shared by candidates

package main import ( "fmt" "time" ) func main() { var counter int32 var data []int for i := 0; i < 1000; i++ { go func() { data = append(data, i) counter++ }() } time.Sleep(2 * time.Second) fmt.Println(counter) fmt.Println(len(data)) } What will this function display?
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Backend Developer

Interviewed at Leopart.kz

Nov 8, 2022

package main import ( "fmt" "time" ) func main() { var counter int32 var data []int for i := 0; i < 1000; i++ { go func() { data = append(data, i) counter++ }() } time.Sleep(2 * time.Second) fmt.Println(counter) fmt.Println(len(data)) } What will this function display?

1. Phone screening interview with team leader: Tell me about yourself and project you proud with 2. Coding interview: Reconstruct an alphabet: You're given a list of words in some unknown language, with an unknown alphabet. You only know that the words are sorted according to the alphabet. Reconstruct an alphabet that would explain the sorted list (there could be more than one option). Example: tab tfa fba ftc zxy Plausible solution: b→t→a→f→c 3. Design & Architecture interview: The interview conducted by the team leader and devops. They generally describe the system and ask you to implement a certain functionality of it.
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Backend Engineer

Interviewed at NeuraLight

5
May 10, 2023

1. Phone screening interview with team leader: Tell me about yourself and project you proud with 2. Coding interview: Reconstruct an alphabet: You're given a list of words in some unknown language, with an unknown alphabet. You only know that the words are sorted according to the alphabet. Reconstruct an alphabet that would explain the sorted list (there could be more than one option). Example: tab tfa fba ftc zxy Plausible solution: b→t→a→f→c 3. Design & Architecture interview: The interview conducted by the team leader and devops. They generally describe the system and ask you to implement a certain functionality of it.

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