Which websites have best interview questions for tech roles with answers?

Several websites provide excellent interview questions with answers tailored for tech roles, covering topics such as coding, system design, and behavioral interviews. Here’s a list of the best ones:

1. DesignGurus.io

2. LeetCode

  • Why It’s Great: A comprehensive platform for practicing coding problems of varying difficulty, with a focus on data structures and algorithms.
  • Key Features:
    • Hundreds of problems with solutions and detailed discussions.
    • Focused company-specific problem sets (e.g., Google, Facebook, Amazon).
  • Best For: Developers preparing for coding interviews who need hands-on practice.

3. HackerRank

  • Why It’s Great: Offers coding challenges and interview preparation kits, covering data structures, algorithms, and domain-specific questions.
  • Key Features:
    • Practice problems categorized by difficulty and topic.
    • Mock tests simulating real interview experiences.
  • Best For: Beginners to intermediate developers.

4. GeeksforGeeks

  • Why It’s Great: Offers a vast collection of interview questions, articles, and tutorials, catering to various levels of experience.
  • Key Features:
    • Detailed explanations for coding problems and concepts.
    • System design, behavioral, and company-specific interview questions.
  • Best For: Developers who need in-depth explanations and theoretical insights.

5. Glassdoor

  • Why It’s Great: Provides real interview questions and experiences shared by candidates who have interviewed at specific companies.
  • Key Features:
    • Company-specific questions for coding, system design, and behavioral interviews.
    • Insights into interview processes and what to expect.
  • Best For: Understanding specific company interview patterns.

6. CodeSignal

  • Why It’s Great: Focused on helping candidates prepare for coding assessments and interviews with interactive challenges.
  • Key Features:
    • Real-world coding challenges.
    • Tests that simulate company technical assessments.
  • Best For: Candidates preparing for coding tests alongside interviews.

Suggested Supplementary Resources

  1. DesignGurus.io Blogs and Guides:
  2. Mock Interviews: Practice with the Coding Mock Interview or System Design Mock Interview by DesignGurus.io for personalized feedback.

Conclusion

For the best mix of questions and answers tailored for tech interviews, platforms like DesignGurus.io, LeetCode, HackerRank, and GeeksforGeeks provide comprehensive resources. Pair these with company-specific insights from Glassdoor and real-world mock interviews to prepare thoroughly for your next tech role.

TAGS
Coding Interview
System Design Interview
CONTRIBUTOR
Design Gurus Team
-

GET YOUR FREE

Coding Questions Catalog

Design Gurus Newsletter - Latest from our Blog
Boost your coding skills with our essential coding questions catalog.
Take a step towards a better tech career now!
Explore Answers
Is Salesforce coding difficult?
Which degree is best for a Google job?
What is a problem in software engineering?
What tech stack is used at Apple?
How to do a mock interview with someone?
How do load balancers actually work in system design?
Learn how load balancers work in system design interviews. Understand L4 vs L7 load balancing, routing algorithms, and failover strategies to design scalable, fault-tolerant systems like FAANG engineers.
Related Courses
Course image
Grokking the Coding Interview: Patterns for Coding Questions
Grokking the Coding Interview Patterns in Java, Python, JS, C++, C#, and Go. The most comprehensive course with 476 Lessons.
4.6
Discounted price for Your Region

$197

Course image
Grokking Modern AI Fundamentals
Master the fundamentals of AI today to lead the tech revolution of tomorrow.
3.9
Discounted price for Your Region

$78

Course image
Grokking Data Structures & Algorithms for Coding Interviews
Unlock Coding Interview Success: Dive Deep into Data Structures and Algorithms.
4
Discounted price for Your Region

$78

Image
One-Stop Portal For Tech Interviews.
Copyright © 2026 Design Gurus, LLC. All rights reserved.