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Senior Backend Developer Interview Questions

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741 senior backend developer interview questions shared by candidates

Interview Question You’re a software engineer, you’re tasked with implementing a service registry and a load-balancer. We provide the interfaces below. Write in your preferred JVM language that implements the following: Interfaces interface LoadBalancer { fun selectServer(): Server? } interface ServiceRegistry { fun registerServer(server: Server): Boolean fun deregisterServer(server: Server): Boolean fun getServers(): List } data class Server(val id: String, val address: String) Load balancer and service registry should be implemented as two HTTP REST servers while calls from one to another should be done via HTTP. Tasks: Implement the ServiceRegistry and LoadBalancer interfaces. The load-balancer should have two flavors of balancing algorithm: One is round-robin and the other is random selection. Prepare a demo with curl / postman / other http tool to demonstrate the flow. Notes: You can use whatever library that you want. You are allowed to use any external tool that might help you, including Google / Stackoverflow / ChatGPT etc.. Time limits: 1h 30m
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Senior Backend Developer, Core Group

Interviewed at Logz.io

4★
Nov 4, 2024

Interview Question You’re a software engineer, you’re tasked with implementing a service registry and a load-balancer. We provide the interfaces below. Write in your preferred JVM language that implements the following: Interfaces interface LoadBalancer { fun selectServer(): Server? } interface ServiceRegistry { fun registerServer(server: Server): Boolean fun deregisterServer(server: Server): Boolean fun getServers(): List } data class Server(val id: String, val address: String) Load balancer and service registry should be implemented as two HTTP REST servers while calls from one to another should be done via HTTP. Tasks: Implement the ServiceRegistry and LoadBalancer interfaces. The load-balancer should have two flavors of balancing algorithm: One is round-robin and the other is random selection. Prepare a demo with curl / postman / other http tool to demonstrate the flow. Notes: You can use whatever library that you want. You are allowed to use any external tool that might help you, including Google / Stackoverflow / ChatGPT etc.. Time limits: 1h 30m

Just a TestGorilla assessment including personality test and abstract reasoning test where this abstract reasoning tests are scientifically has no value. No human connection, just automated steps, very time consuming considering its uselessness.
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Senior Backend Developer

Interviewed at bunq

3.6★
Nov 22, 2024

Just a TestGorilla assessment including personality test and abstract reasoning test where this abstract reasoning tests are scientifically has no value. No human connection, just automated steps, very time consuming considering its uselessness.

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