20 Best Backend Interview Questions with PDF Download
Before moving forward to the Backend interview questions, we must know who are the backend developers. Backend developers are those developers who work on the server side of web applications to ensure that data gets appropriately transmitted between the client and server.
In this blog, we will explore the 20 Backend interview questions from all important topics, so that you understand each and everything before your interview.
Download 20 Best Backend Interview Questions
Top 10 Best Websites for Backend Interview Questions
Preparing for backend interview questions can be a challenging task. Whether you’re a professional or just starting out, having access to quality resources can make all the difference. Have a look at the websites.
1. LeetCode
LeetCode is a popular platform for practicing coding problems, with a strong focus on data structures and algorithms.
Why It’s Great for Backend Interview Questions:
LeetCode offers a wide range of problems that are frequently asked in technical interviews. The platform also has company-specific questions, which can help you prepare for interviews at specific companies.
Key Features
Over 1,900 coding problems
Company-specific question sets
Detailed solutions and discussions
2. HackerRank
HackerRank is another excellent resource for practicing coding challenges and preparing for technical interviews.
Why It’s Great for Backend Interviews
HackerRank covers a broad spectrum of topics, including data structures, algorithms, databases, and SQL, making it a comprehensive tool for backend developers.
Key Features
Challenges in multiple programming languages
Tutorials and interview preparation kits
Real-world problem simulations
3. GeeksforGeeks
GeeksforGeeks is a comprehensive computer science portal that provides tutorials, coding problems, and interview questions.
Why It’s Great for Backend Interviews
This site offers a vast collection of articles and problems specifically tailored for backend development. You can find questions on data structures, algorithms, system design, and more.
Key Features
Extensive library of coding problems
Detailed explanations and solutions
Dedicated section for interview preparation
4. InterviewBit
InterviewBit is a platform designed to help you prepare for coding interviews with a structured and comprehensive approach.
Why It’s Great for Backend Interviews
InterviewBit provides curated interview questions and problems, helping you focus on what’s most likely to come up in your interview.
Key Features
Curated interview questions
Real-time online coding environment
Mock interviews and performance tracking
5. CodeSignal
CodeSignal offers coding tests and challenges that are tailored to specific job roles and companies.
Why It’s Great for Backend Interviews
CodeSignal’s platform is used by many companies for their actual technical interviews, giving you a chance to practice in an environment similar to the real thing.
Key Features
Role-specific coding challenges
Certification tests
Customizable coding tests for practice
6. Glassdoor
Glassdoor is primarily known as a company review site, but it also offers a wealth of interview questions shared by candidates.
Why It’s Great for Backend Interviews
Glassdoor’s interview questions section can give you insight into the types of questions asked by specific companies, helping you prepare more effectively.
Key Features
Real interview questions from candidates
Company-specific questions and experiences
Community-driven feedback and insights
7. Pramp
Pramp offers a unique platform where you can practice live coding interviews with peers.
Why It’s Great for Backend Interviews
Pramp’s peer-to-peer mock interviews provide a realistic interview experience, allowing you to practice both answering and asking questions.
Key Features
Live mock interviews with peers
Detailed feedback after each session
Questions and problems relevant to backend development
8. CareerCup
CareerCup is a website focused on technical interview preparation, offering a variety of coding problems and interview questions.
Why It’s Great for Backend Interviews
CareerCup’s extensive collection of real interview questions, submitted by users, can help you get a sense of what different companies are looking for.
Key Features
Real interview questions from top tech companies
Detailed problem discussions
Books and resources for in-depth preparation
9. Exercism
Overview
Exercism offers coding exercises and mentorship to help you improve your coding skills.
Why It’s Great for Backend Interviews
Exercism’s exercises cover various backend languages and paradigms, making it a great resource to refine your coding skills in preparation for an interview.
Key Features
Over 50 programming languages
Mentorship from experienced developers
Structured learning paths and exercises
10. Codewars
Codewars is a community-driven platform where developers improve their skills by training on coding challenges.
Why It’s Great for Backend Interviews
Codewars’ kata (challenges) are created by the community and often mirror real-world problems, providing practical experience that can be useful in interviews.
Key Features
Wide range of coding challenges
Community-driven problem creation and solutions
Gamified learning experience
Preparing for backend interview questions requires a solid understanding of various concepts and the ability to solve coding problems efficiently. These ten websites offer a mix of coding challenges, real interview questions, and learning resources that can help you hone your skills and boost your confidence.
FAQs
1. How do I prepare for a backend interview?
LeetCode and HackerRank are both excellent websites for preparing for backend interview questions.
2. Which website offers the best learning resources for backend development?
GeeksforGeeks and InterviewBit provide comprehensive tutorials and problems specifically tailored for backend development.