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If you’re willing to clear your coding interview in the first attempt, then here is a list of some of the Best Coding Interview questions Courses and guides available online. This list includes both free and paid courses to help you learn coding interview questions. Also, it is ideal for beginners, intermediates, as well as experts. If you are interested in diving deep into coding, you might also want to take a look at best coding courses.

9 Best Coding Interview Preparation Courses & Guides

1. Grokking the Coding Interview (Educative)

This is a comprehensive course designed to help individuals learn how to pass the coding interview with ease. In this course, the coding interview questions are categorized in 16 patterns, each of which consists of a set of different techniques, such as data structures, analysis, and algorithms to help you solve specific coding problems. The prime goal of this course is to build an understanding of the underlying pattern so that you can apply that pattern to address other issues. The course is included with various coding questions with each category so that you can analyze where you stand after completing a session.

Key USPs –

• Get a brief introduction of each pattern before starting to solve complex coding problems, and learning advanced techniques

• Know about different constraints of a coding problem and how you need to change your algorithm to solve those problems

• Learn about Breadth-First search and Depth-First search to resolve problems related to Trees and Graphs

• Cover essential concepts like Dynamic programming, Backtracking, recursion, Divide & Conquer, and Greedy algorithms

• Get access to video lectures that are designed to help you understand the coding patterns and algorithms more clearly

Duration: Self-paced

Rating: 4.5 out of 5

You can Sign up Here

Review: Excellent course. Thanks for putting all in one place. Please give us more courses like this. - Brandon

2. Coding Interview Bootcamp Course (Udemy)

This coding Bootcamp course will help you learn about the most common interview questions that are often asked in a coding interview. With this course, you will not only get dozens of coding questions to practice, but it will also help you understand the tips and tricks behind solving those questions so that you can perform those tricks in a real interview. The course is designed by Stephen Grider, who is an expert in developing complex JavaScript front-ends for top corporations. He will assist you throughout the course to help you defeat those interviewers who ask nasty algorithm questions. Completing this course will help you clear the coding interview and get your dream job.

Key USPs –

• Get a clear, well-diagrammed explanation of every single problem so that you can understand how to solve it easily

• Get access to a massive collection of common algorithm questions, including everything from ‘reversing a string’ to ‘determining the width of a BST.’

• Learn how to tackle common data structures used in web development, software development project

• Get access to dozens of coding questions that are commonly asked during interviews with their accurate solutions and tricks

Duration: 12-13 hours

Rating: 4.7 out of 5

You can Sign up Here

Review: I really liked the course, which could have been excellent if we could have added some real-world interview questions regarding the tough algorithms. But overall, I loved the course. Thanks. - Faraz Habeebuddin

3. Python for Data Structure Algorithms (Udemy)

Python is one of the essential programming languages often asked in data structure and data science interviews. So, if you want to learn Python for any of these interviews, then this course can help you ace your coding interview and learn about Data Structures and Algorithms. This course uses Python to teach you what you need to know to clear your coding interview. You will learn everything that you need to land a great job in software development with topics like Array Sequences, Recursion, Stacks Queues, Algorithm analysis, Trees, and much more. Completing this course will help you achieve your career goals and get a tremendous job in the technical field.

Key USPs –

• A comprehensive course that uses Python programming to help you learn different coding questions of data structure and algorithms

• Learn how to build and leverage a network for job opportunities with the help of latest job searching tools

• Cover a variety of topics related to Data Structure interviews, such as Linked Lists, Graph Algorithms, Searching and Sorting Algorithms, and much more

• Get access to non-technical interview questions and answers with post-interview topics to help yourself during the interview

• Learn how to create a great Resume with LinkedIn and GitHub profiles for recruiters to find you quickly

Duration: 17-18 hours

Rating: 4.4 out of 5

You can Sign up Here

Review: A good collection of exercises, but the explanation of the theory and solutions is very poor. I would recommend this course in combination with another one where theory is well described. – Eugene

4. Bootcamp for Technical Interview (Interview Camp)

If you are among those individuals who are tired of looking for coding questions online, then this Bootcamp course will help you equip all the techniques related to technical interviews. This course is divided into two categories – First half and Second half. In the first half, you will dive deeper into a system design topic and discuss various things about it, such as how to deal with critical data or how to improve the response time. In the second half, you will work on algorithm questions and general discussion, which can include anything from solving a graph problem to career advice.

Key USPs –

• Provide you with a  curated structured path, along with live sessions to help you stay on the track and learn about technical interviews

• Available in three different modules – On-demand course, weekly live sessions, and slack community to help you learn freely

• Designed by a professional instructor who is working as a software engineer with Google and other startup companies

• Learn how to return path of odes in Breadth-First Search and what to do if the cache gets overloaded while coding

• Get course content with a combination of video, text, and practice problems so that you can learn in an efficient manner

Duration: 4 weeks

Rating: 4.7 out of 5

You can Sign up Here

Review: "The creators of this class know the ins and outs of the industry and have a passion for educating. I am confident they will help candidates ace their next interview." - Tsung-Hsien Lee

5. 11 Essential Coding Interview Questions (Udemy)

If you are done with searching for coding interview questions online, and still couldn’t clear your technical interview, then take this essential coding interview questions course. In this course, you will learn a few problem-solving techniques that you will be able to use in your next coding interview. The instructor of the course YK Sugi works as a software developer at Google, as well as runs his startup. He designed this course to help individuals understand the techniques behind cracking technical interviews. During the course, you will go through 11 different coding questions that are picked by the instructor because they are most commonly asked in technical interviews.

Key USPs –

• An exciting course that is designed to provide you with the most common questions asked in a technical interview

• Cover various coding problems that use technical concepts like arrays, strings, two-dimensional arrays, linked lists, and trees

• Get a coding exercise in Python and Java with each problem so that you receive the feedback right away after going through the problem

• Learn three problem-solving techniques that can be used to pass your next coding interview

• Liberty to study from the comfort of your home without any deadlines or schedules

Duration: 3-4 hours

Rating: 4.6 out of 5

You can Sign up Here

Review: Google developer's course learned a lot about algorithms from this course. Helps in interview preparation. - Ashwini Iyer

6. Master the Software Engineer Interview (Coursera)

Designed by the University of California San Diego, this comprehensive course will help you learn the techniques and tricks to crack a software engineer interview, which has become very difficult these days. The course is created by expert instructors of California University in the most straightforward manner so that individuals can understand what this course is all about. This course is entirely focused on landing you a great technical job and excelling in your technical skills. Completing this course will help you learn how to solve problems, write algorithms, and analyze solutions. The course is also integrated with a certification program that certifies that you have completed the course with given coding exercises.

Key USPs –

• A basic course on coding interviews that will help you equip all the necessary and advanced skills for cracking your next technical interview

• Get introduced to live coding, recovering your mistakes, correctness and testing of your code, and some other aspects of coding

• Learn how to find various resources on GitHub to solve your problems related to coding exercises

• Get access to video lectures, coding questions and answers, and assignments to test your knowledge and improve your skills

•   Get essential job-search advice and tips for succeeding as a software engineer

Duration: 13 hours

Rating: 4.6 out of 5

You can Sign up Here

7. Class for Coding Interviews (Coding Interview Class)

If you have scheduled your interview with a software company that asks various questions related to data structure and algorithms, then this course can help you crack that interview. In this course, you will not only get access to multiple coding questions and answers, but it will also provide you with the most effective techniques and shortcuts to solve complex coding puzzles. The course is designed by Benyam Ephrem, who is a third-year student at the University of Maryland College Park and helps various individuals around the world to crack their technical interviews. After successful completion of the course, you will be able to solve complex algorithms in the minimum time possible.

Key USPs –

• Equip yourself with the apparatus of mind that will allow you to adapt to any permutation of the problem that you encounter

• Learn how to be 10% better than other candidates to have more leverage in negotiating salary and total base compensation

• Learn about different concepts of data structure and algorithms, such as arrays, functions, strings, linked list, two-dimensional arrays and much more

• Work with multiple coding assignments and questions with video lectures and downloading resources

• Free to enroll without involving any hidden costs

Duration: Self-paced

Rating: 4.5 out of 5

You can Sign up Here

8. Mastering Web Developer Interview Questions (LinkedIn Learning by Lynda)

If you are looking for a new job or want to improve your current coding skills, then this course is the ideal choice for you. In this course, you will get a clear understanding of the kinds of front-end and full-stack developer code that is often valued by large enterprises. The course is created by Ray Villalobos, who is a professional full-stack developer. He will help you learn and equip the essential coding skills that every developer should have in their toolkit. The best part is you can access the course free for 30 days with the freedom to study from your comfort zone. And if you don’t like the class, you can quit it immediately without paying anything.

Key USPs –

• Go through the introduction of various coding exercises and technical concepts that are commonly asked in an interview

• Includes interviews with industry professionals and hiring managers that can help you demystify the interview process

• Learn how to use the Fetch API, arrow functions in ESS6, constructor to create instances, and how to render JSON to a DOM element

• Cover some of the essential coding skills like Front-end development, interviewing that are often asked in an interview

Duration: 8-9 hours

Rating: 4.5 out of 5

You can Sign up Here

9. Master the Coding Interview: Data Structure and Algorithms (Udemy)

If you are intimidated by the technical interview process and coding questions, then this course can help you learn the techniques to clear the interview in the first attempt. With this course, you will learn the fundamental building blocks of computer science that will give you a big boost during meetings. During the course, you will cover a wide variety of topics and concepts, such as Arrays, Queues, Graphs, Stacks, Recursion, Depth First Search, Dynamic Programming, and many more. The instructor of the course, Andrei Neagoie, has given special attention to the class so that users get what they are looking for in a coding interview course.

Key USPs –

• Get a clear understanding of complex subjects that you never thought would be possible, and be able to achieve your goals

• Provides non-technical advice on various topics, such as how to get more interviews, how to handle offers, and how to get a raise

• Learn how to land offers from all sort of companies by using effective strategies, lessons, and exercises involved in the course

• Get access to the private online chat community with thousands of developers online to help you get through the course

Duration: 4-5 weeks

Rating: 4.7 out of 5

You can Sign up Here

Review: It covers each step of an interview, not just the technical part. I can only say that it would be better if some more, at-least medium level, coding questions are solved. - Cagri Aslanbas

Those were some of the best online classes, guides, and courses that will help you prepare for coding interviews. We wish you the best in your career! Team Digital Defynd.