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Top 17 gRPC Interview Questions and Answers

24/Dec/2023 | 5 minutes to read


Here is a List of essential gRPC Interview Questions and Answers for Freshers and mid level of Experienced Professionals. All answers for these gRPC questions are explained in a simple and easiest way. These basic, advanced and latest gRPC questions will help you to clear your next Job interview.

gRPC Interview Questions and Answers

These interview questions are targeted for gRPC Framework. You must know the answers of these frequently asked gRPC interview questions to clear an interview.

1. What is the gRPC?

gRPC is a high performance RPC (Remote Procedure Call) framework that is modern, open-source and streamlines the messaging between backend services and clients. You can run the gRPC framework in any environment. It allows you to connect the services in and across data centers with pluggable support for:
  • Authentication
  • Health checking
  • Tracing
  • Load balancing
For more visit gRPC.

2. What are the Benefits of gRPC?

3. How will you compare gRPC over REST?

4. How does serialization and deserialization work in gRPC?

5. How does an app interact with incoming or outgoing gRPC calls?

For more visit gRPC Interceptors.

6. Is gRPC an ideal choice for polyglot systems?

You can implement systems in language agnostic ways as gRPC provides contract-first API development using Protocol Buffers by default. So gRPC is an ideal choice for polyglot systems where you are developing a system in multiple languages.

7. Why does gRPC use Protocol Buffers?

8. What benefits do Protocol Buffers provide?

For more visit Benefits of Protocol Buffers

9. How does data serialization work in gRPC?

10. What are service definitions in gRPC?

Some General Interview Questions for gRPC

1. How much will you rate yourself in gRPC?

When you attend an interview, Interviewer may ask you to rate yourself in a specific Technology like gRPC, So It's depend on your knowledge and work experience in gRPC.

2. What challenges did you face while working on gRPC?

This question may be specific to your technology and completely depends on your past work experience. So you need to just explain the challenges you faced related to gRPC in your Project.

3. What was your role in the last Project related to gRPC?

It's based on your role and responsibilities assigned to you and what functionality you implemented using gRPC in your project. This question is generally asked in every interview.

4. How much experience do you have in gRPC?

Here you can tell about your overall work experience on gRPC.

5. Have you done any gRPC Certification or Training?

It depends on the candidate whether you have done any gRPC training or certification. Certifications or training are not essential but good to have.


We have covered some frequently asked gRPC Interview Questions and Answers to help you for your Interview. All these Essential gRPC Interview Questions are targeted for mid level of experienced Professionals and freshers.
While attending any gRPC Interview if you face any difficulty to answer any question please write to us at Our IT Expert team will find the best answer and will update on the portal. In case we find any new gRPC questions, we will update the same here.