Top 10 Resources for Coding Interview Preparation in 2025
These are the best resources you can use to Prepare for Coding Interviews in 2025, includes books, courses, and platforms for practice
Hello guys, cracking a coding interview in 2025 is not an easy task. It takes a lot of preparation, guts, and luck to crack a coding interview and get that job. Though, you can increase your chances by choosing right resources for preparation.
In the past, I have shared best coding interview books, prep guide, and courses, best System design books and courses, and in this article, I will share with you a systematic approach to prepare for coding interviews and also covering all the bases.
Preparing for coding interviews in 2025 requires access to high-quality resources that cover algorithms, system design, and real-world coding problems.
Whether you’re a beginner or an experienced developer, having the right study material can make a significant difference.
Though, you should remember to choose resources that align with your learning style and career goals. A combination of 2–3 platforms often works better than trying to use all available resources.
10 Best Resources for Coding Interview Preparation in 2025
Here are the 10 best resources to prepare for coding interviews in 2025. These include online platforms, books, and courses that cover everything from DSA to system design and behavioral interviews.
1. AlgoMonster — AI-Powered Coding Interview Prep Platform
AlgoMonster is a relatively data-driven platform that focuses on real interview questions from FAANG companies. This platform is created by ex Google Engineers to help people who are preparing for Big Tech or FAANG interviews.
This website will provide you handpicked questions for to practice in online IDE.
In this website you will learn the most important patterns and get results in the shortest amount of time possible. You don’t need to solve 600 problems on LeetCode. Solve and understand our hand-picked problems (~ 100 of them) and you are set.
Why Use AlgoMonster?
- AI-generated personalized learning paths.
- Covers most-asked coding problems at FAANG.
- Great for last-minute interview preparation.
A fantastic choice for those who want a smart, AI-powered study plan. AlgoMonster is like “the missing manual for LeetCode” or “the coding interview textbook”. They also provide nice flowcharts which you can use to solve any Leetcode problem and understand solution better.
Here is the link to join — AlgoMonster
2. Udemy — Best Budget-Friendly Coding Interview Courses
Udemy offers affordable and high-quality courses on DSA, system design, and interview preparation.
Why Use Udemy?
- Affordable (often under $20 during sales).
- Lifetime access to courses.
- Structured learning with hands-on coding exercises.
A great budget-friendly resource for structured interview prep.
Here are a couple of highly recommended Coding interview course from Udemy:
- Master the Coding Interview: Data Structures + Algorithms
- Master the Coding Interview: Big Tech (FAANG) Interviews
- Python Data Structures & Algorithms + LEETCODE Exercises
- Mastering the System Design Interview
3. Cracking the Coding Interview — The Most Popular Interview Book
This legendary book by Gayle Laakmann McDowell is a must-read for serious interview prep. It includes:
- 189+ coding problems with solutions.
- Behavioral interview strategies.
- Tips from ex-Google/Facebook recruiters.
If you prefer book-based learning, this is the gold standard for coding interviews. You an also combine this book with Alex Xu’s Coding Interview Patterns: Nail Your Next Coding Interview, a new book which will teach you coding interview pattern.
4. Educative.io — Interactive Interview Prep
Educative.io is another popular platform for coding interview prepration in 2025. This website provides interactive text-based coding courses, ideal for fast learning.
Why Use Educative.io?
- No need to set up coding environments.
- Step-by-step guided learning.
- Covers DSA, system design, and low-level design.
Educative.io is perfect for learners who prefer interactive courses over videos. Here are the best Educative courses for coding interiews you can join in 2025:
- Grokking Modern System Design for Software Engineers & Managers
- Grokking the API Design Interview
- Grokking Coding Interview Patterns in Java
They also have a curated list of coding problems called Educative-99 which you can use instead of solving 1000+ Leetcode problems for same level of practice.
Here are the key coding interview patterns covered in Educative-99
By the way, you would need an Educative subscription to join this course, which cost around $14.99 but also provide access to more than 1000+ courses, projects, and cloud labs to learn in-demand tech skills including web development. You can also use 7 days free trial to get this course for FREE.
5. ZTM Academy — Full Coding Interview Bootcamp
If you don’t know Zero to Mastery academy or ZTM Academy also provides comprehensive coding interview courses, covering data structures and algorithms, System Design and Behavioral interviews, all three are important for clearing coding interviews.
This website is founded by Andrei Negaoie, one of the webdev expert and a popular Udemy instructor.
Why ZTM Academy?
- Taught by industry experts (ex-Google, Amazon engineers).
- Project-based learning helps in real-world applications.
- Lifetime access to all updates.
A solid choice for anyone looking for a complete interview prep package.
Here are a couple of highly recommended coding interview course from Zero to Mastery academy
- Master the Coding Interview: Data Structures + Algorithms
- Master the Coding Interview: System Design + Architecture
Btw, you would need a ZTM membership to watch this course which costs around $39 per month but also provides access to many super engaging and useful courses like this one. You can also use coupon code FRIENDS10 to get a 10% discount on this course or any subscription you choose.
6. Coursera — University-Level Courses for Interview Prep
Coursera is another popular online website that offers top-tier courses from Stanford, Princeton, and University of California as well big tech companies like Meta, Google,, Amazon and IBM on:
- Algorithms (by Princeton)
- Data Structures
- Machine Learning Interviews
Why Use Coursera?
- University-quality education.
- Certificates from top institutions.
- Self-paced and often free if audited.
Coursera is great for those who want deep theoretical knowledge alongside practice and here are the top Coursera courses you can join for coding interview prep:
By the way, If you are planning to join multiple specializations, then consider taking a Coursera Plus subscription which provides you unlimited access to their most popular courses, specialization, professional certificate, and guided projects.
It costs around $59/ per month but is worth it because you get access to more than 7000+ courses and projects, and you can also get access to unlimited professional certificates like Google’s Data analytics Certification, and Meta’s Frontend Development Certificate.
7. LeetCode — The Best Platform for Coding Practice
LeetCode remains the gold standard for coding interview preparation. It offers a vast collection of problems categorized by difficulty and company-specific questions from FAANG and other tech giants.
Why Use LeetCode?
- Over 2,000 problems covering all data structures and algorithms.
- Company-specific question lists (e.g., Amazon, Google, Microsoft).
- LeetCode Premium provides mock assessments and real interview questions.
If you want to master DSA and practice company-specific questions, LeetCode is a must-have resource.
8. HackerRank — Hands-On Coding Challenges
HackerRank is another excellent coding platform, ideal for beginners. It provides a structured way to learn DSA, problem-solving, SQL, databases, and even system design through challenges.
Why Use HackerRank?
- Coding challenges categorized by topics.
- Competitions and coding contests to practice under pressure.
- Certifications in SQL, Python, and more that you can showcase.
Great for beginners who need guided practice and competitive coding exposure.
10. AlgoExpert — Structured Video Learning for DSA
AlgoExpert is a premium coding interview prep platform designed by ex-Facebook engineers. It offers structured explanations and video walkthroughs of problems, which is great for visual learners.
Why Use AlgoExpert?
- 160+ coding problems with in-depth explanations.
- Video solutions help understand complex problems.
- Covers system design, behavioral interviews, and mock interviews.
For those who like guided learning with structured video explanations, AlgoExpert is a fantastic resource.
10. Grokking the Coding Interview — Design Patterns for Coding Problems
This course is a game-changer for interview prep. It teaches patterns behind coding problems, making it easier to solve new questions efficiently.
Why Take This Course?
- Covers 14+ coding patterns like sliding window, BFS/DFS, two pointers, etc.
- Teaches a structured way to approach unseen problems.
- Great for people who struggle with brute-force vs. optimized solutions.
A must-have resource if you struggle with pattern recognition in coding problems.
Which one should you choose?
Here are quick guidance to choose the right platform for you:
- If you prefer structured learning, choose Educative.io or AlgoMonster.
- If you want the best books, read Cracking the Coding Interview and Coding Interview Patterns: Nail Your Next Coding Interview.
- If you need video courses, try Udemy or ZTM Academy.
- If you need a coding practice platform, go with LeetCode or HackerRank.
No matter which resource you pick, consistent practice is key. Start preparing today, and land that dream job!
Also here is a nice coding interview prep cheat sheet for you to start with
Conclusion
If you’re serious about cracking coding interviews in 2025, these 10 resources, books, courses, and websites will help you prepare efficiently, I mean better preparation in less time.
With the right resources, you can improve your coding skills and gain confidence in tackling challenging interview questions.
Whether you choose interactive platforms like LeetCode, structured courses from Udemy, or system design deep dives on DesignGurus.io, consistency and practice are key to success.
Which resource has helped you the most in your coding interview prep? Let us know in the comments!
Other System Design Tutorials and Resources you may like
- Top 5 Places to learn System design and Software design
- Is DesignGuru’s System Design Course worth it
- The Complete Java Developer RoadMap
- Is Exponent’s System Design Course worth it?
- 10 Best Places to Learn System Design in 2025
- How to Prepare for System Design Interview in 2025
- Is ByteByteGo Course worth the hype?
- My Favorite Software Design Courses for 2025
- 3 Places to Practice System Design Mock interviews
- 20 System Design Interview Questions for Practice
- Is Designing Data-intensive application book worth reading?
All the best for your System Design Interviews, if you have any doubts or questions, feel free to ask in the comments.
P. S. — If you just want to do one thing at this moment, go join ByteByteGo and start learning System Design concepts, you will thank me later. Make it a goal for the new year and you will surely be a better Software Engineer.
