I Tried 50+ System Design Interview Courses on Udemy: Here Are My BEST 5 for 2026

 

Hello guys, if you are preparing for Software Engineer or Software Developer Job interview then you may know that how important is to prepare for System Design, especially if you want to get a developer job on top tier company like Amazon, Google, Meta, Apple and Netflix.

In the past, I have shared several resources for System design interview preparation like best System Design Interview Books, websites, and popular Software design questions for practice, and today, I am going to share best System Design courses from Udemy, one of my favorite place to learn anything related to tech.

Why Udemy? Well, my reason to choose Udemy was mainly for its affordable price. There is no other place where you can find 50+ hours of top quality courses for just $10.

Apart from price, choice is another reasons why I like to learn on Udemy. It’s the largest market place of online courses and you will have plenty of choices.

If you enroll in a course and don’t like the instructor or his way of explanation or content, you can ask for refund and choice another course.

This is the facility, which I have never found anywhere else, except subscription based sites like Educative , ByteByteGo, Design Guru, Exponent, Codemia.io, and Bugfree.ai.

That’s why I always go to Udemy to enroll into the System Design courses and today I am going to share few gems from my collection.

By the way, if you are in hurry then just go and join Mastering the System Design Interview by Frank Kane, a 5 hour course from an ex Amazon Hiring manager where he share proper process and insider tips to crack the System design interviews on FAANG or MAANG companies.

You can also get this course now for just $10 as Udemy is running their biggest sale. I already bought 50+ courses to learn in-demand skills this year. You can also join this course for a discount, you will thank me later.

6 Best High Level and Low Level System Design Courses You can Join on Udemy in 2026

Without any further ado, here is my favorite System design courses you can join on Udemy. These System design courses are created by System design expert and current and ex-FAANG employees who have served on both side of table.

I mean they have not only cleared the interviews as a candidate but also taken interviews as hiring manager.

There are plenty to learn form these experienced hands and these course provide that opportunity to you. If you are serious about your System design interview preparation then you will love these courses for sure.

1. Mastering the System Design Interview by Frank Kane

This was one of the first System design interview course I joined on Udemy. I have known Frank Kane from his previous courses on Big Data and Scala and was big fan of his teaching style and content.

So, when he release his System design course, I immediately joined the course and I must say I wasn’t disappointed.

The course not only cover key system design concepts like caching, scalability, sharding, security, and software architecture but also answer frequently asked System design questions like difference between Horizontal and Vertical Scaling, and API Gateway vs Load Balancers.

The course not only touch base upon Big Data, ACID properties, Data Structures and Algorithms but also share strategies to tackle pressure of System design interviews and how to answer system design questions.

For practice, you will also solve popular System Design problems like URL Shortening, and Web Crawlers and learn how to apply your knowledge on solving System design problem.

Talking about social proof, more than 62,373 students have already joined this course and it has on average 4.6 rating from close to 8800 raters which is amazing.

Frank has done amazing job with this course. I highly recommend this course to anyone who is preparing for System Design interview in 2026.

Here is the link to join this course — Mastering the System Design Interview by Frank Kane

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2. Rocking System Design by Rajdeep Saha

If you need an alternative of Frank’s course then you can checkout this Rocking System Design course by Rajdeep Saha. This one was my first course of Rajdeep and I didn’t know him before. Rajdeep is a AWS solution architect and that shows in his course.

In this course, you will not only learn how to answer System design questions on interview but also learn about Cloud Computing, particularly AWS and how to design applications for Cloud.

This 9-hour online course covers AWS implementation of the design using Kubernetes, Lambda, API Gateway, EC2, ALB, NLB etc, and also touch base upon core system design concepts like scaling, sharding, hashing, microservices, load balancers, security, well architected framework, and more

The course is also full of quizzes and exercises. You can test your knowledge with up-to-date system design quizzes. Talking about social proof, more than 13,381 engineers have already joined this course and on average it has 4.5 rating which is quite amazing.

Here is the link to join this course — — Rocking System Design by Rajdeep Saha

By the way, if you want to join multiple course on Udemy, its may be worth getting a Udemy Personal Plan, which will give instant access of more than 11,000 top quality Udemy courses for just $30 a month.

3. System Design Interview Guide for Software Architecture by CodeKarle

This is another Udemy course on System Design interview which is created by an ex FAANG engineer, Sandeep Kaul. Sandeep is an Experienced Tech Lead/Architect with a huge breadth and depth of knowledge based on his experience on a wide variety of technologies that he has worked on in his career, and that shows in this course.

In this System Design Interview Guide you will not only learn the strategy to crack your next High Level System Design Interview but also learn about Distributed Systems, Microservices Architecture, Databases, Software Architecture, Analytics, and Design Patterns, which will also be used in your day-to-day task and help become a better engineer.

You will also find solutions to the most common Interview Questions at FAANGs like how to design WhatsApp, how to design Uber, How to design Amazon, How to design Twitter, YouTube, AirBnb and many other real apps.

The course also comes with a lot of quizzes and coding problems which you can use to further solidify your knowledge .

In short, one of the best course on high level system design. I absolutely loved it. Sandeep covers each topic in sufficient detail and his deep understanding of various technical aspects shines throughout the course.

I highly recommend it to anyone interested in taking their system design skills to the next level.

Here is the link to join this course — System Design Interview Guide for Software Architecture by CodeKarle

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4. Pragmatic System Design by Alexey Soshin

This 5-hour long System design interview course on Udemy is created by Alexy Soshin, a Senior Solutions Architect at Amazon Web Services. Alexy is a well known expert in System design and also author of “Kotlin Design Patterns and Best Practices” book.

He has also one of the coauthor of “97 Things Every Java Programmer Should Know” book, one of my favorite Java book of recent time. Where you will find 97 essays from different expert on key technical topics.

In this System design course on Udemy, you will learn not only learn how ow to solve most popular FANG interview questions but also

• important scalability concepts
• Common communication protocols
• Caching and Redis
• Concurrency
• Database design and PostgreSQL
• Sharding strategies, and much more.

Talking about social proof, more than 26,522 software engineers have already joined this course and on average it has 4.3 rating out of 5 which is great.

Here is the link to join this course — Pragmatic System Design by Alexey Soshin

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5. The “BigTech” System Design Interview Bootcamp

If you are looking for a bootcamp style course to prepare for System design interview in 2026 then you will love this course. It provides complete guide to nail your next System Design Interview with Hands-On, Project-Based learning with discord community!

Created by Fabien HinsenKamp, an SSE @ Amazon, this course provides Hands-on experience with component-level system design and real-world application through 10 mock interview challenges.

The course also provides a prefect introduction to System Design, what I loved about this course was not just the technical information taught, but also the tips provided on how to crack the technical interview.

Since Fabien is already working in Microsoft and have gone through the same path and crack the code, his tips are battle hardened and quite valuable.

Fabian ia also very responsive and available on Udemy and Discord for Questions and Queries. And he does not spoon-feed the answers, but ignites that curiosity to learn more about the topics you find interesting, which a sign of a great teacher.

If you want to crack your next System Design interview and just starting then you can join this course. More than 22,292 students have already joined this course.

Here is the link to join this course — The “BigTech” System Design Interview Bootcamp

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6. Low Level System Design [An interview perspective]

While most of the course in this list covers high level system design I thought to include one course from Low Level system design to balance things out and also because Low Level System design is also important for crack tech interviews.

Created by Abhishek Ghosh, this course will teach you how to begin coding by keeping extensibility in mind. You will learn how to weed out unnecessary information from the problem definition, identify traction, and create a class diagram with it

You will also learn about how to write test cases for the problem as and when required and gain necessary exposure and modifications to the API for code sustainability

The course also teach you how to use encapsulation when required and generate desired accessors and mutators. Most importantly you will learn how to complete code during interview time and ain insight into fallback plans in emergency cases, which always happens.

Talking about social proof, more than 4,810 students have already joined this course and it has on average 4.5 rating which is quite nice for a low level system design course. If you want to master Low Level System design, I highly recommend this course.

Here is the link to join this course — Low Level System Design [An interview perspective]

That’s all about the best online courses you can join to prepare for System Design interviews on Udemy. System Design is very vast topic that’s why you need a couple of courses to really cover them.

I have learned better when I learn from two different instructors and that’s why I have shared System Design courses from different instructor in this list.

Also, all these courses are very affordable and you can get it for just $10 now on Udemy Sale. Even if you don’t have time to watch the course now, you can enroll at them now at a lower price to save money and complete it later when you have time.

I have already bought 50+ courses on recent Udemy sale on System Design, Programming and other technical topics.

And, if you want to join multiple course on Udemy, its may be worth getting a Udemy Personal Plan, which will give instant access of more than 11,000 top quality Udemy courses for just $30 a month.

Review — Is the Udemy Personal Plan Worth It?

Is Udemy’s Personal Plan better than buying individual courses?

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Other Programming Articles and Tutorials you may like

• How to Prepare for System Design Interview
• 10 Reasons to Learn System Design in 2026
• Top 3 Places for System Design Mock Interviews
• 10 Things I learned from ByteByteGo System Design course
• 5 System Design Cheat Sheet which is worth Printing
• Is ByteByteGo best place to learn System Design?
• Is Exponent’s System Design Course worth it?
• Is ByteByteGo System Design course worth it?

Thanks for reading this article so far. If you like these System design interview courses form Udemy then please share with your friends If you got any other System design course which should be in this list, let me know in comments. Everybody loves great resources and happy learning System design.

P. S. — If you want to do just one thing to learn System Design in depth then I also suggest you to checkout Frank Kane’s Mastering the System Design Interview course on Udemy. Frank is an ex-hiring manager and know what it takes to crack System design interview of those big FAANG companies .

Top 10 Udemy Courses to Learn System Design and Software Architecture in 2026

My favorite Udemy courses to learn System Design and Software Architecture in 2026

medium.com

I Tried 30+ AI and Machine Learning Interview Courses: Here Are My 9 Best Recommendations for 2026

 

Hello guys, if you are preparing for Data Science and Machine Learning interviews and looking for best resources for your preparation then you have come to the right place.

Earlier, I have shared best System Design Courses and best Machine Learning Courses and in this article, I Am going to share best online courses you can join to prepare for Data Science and Machine Learning interviews.

In this AI age, Data science and Machine learning are two developing and in-demand, hot technologies. Today, there is a huge job market for those individuals who are well-acknowledged in data science and machine learning. But these two technologies are complex and require a lot of effort and time.

But at the same time, It is not easy to master data science and machine learning. Data science covers an extensive amount of domains. It includes business analysis, data visualization, data analysis, financial analysis, image processing, and more. You have to choose the domain. Machine learning is also referred to as part of data science.

When it comes to your Data Science or Machine Learning interview preparation, you will no doubt find lots of good material around how different machine learning models work, which algorithms to use when, and so on.

But, it's not easy to find information on how to approach a Machine Learning problem from a system design perspective.

In the Machine Learning interview, especially if you’re more experienced like 3 to 5 years experienced, you’ll be most likely be given open-ended problems and will be expected to build end-to-end machine learning systems to solve those problems.

System design is arguably the most important part of your Machine Learning interview and is a determining factor in your hiring ‘level’, which can make a big different in your package and salary, but you shouldn't worry, I have include courses for System Design with Machine Learning and if you need more material, I have also shared best System design books and best System Design courses.

8 Best System Design and Software Design Books for Programmers

Here is a list of best books to learn System Design and Software Design for interviews as well as for programming and…

medium.com

Companies, both big and small likes to hire people that can confidently talk through designing systems and articulate the trade-offs they’re making.

Additionally, as more and more companies inject Machine Learning into their products, even if you just want to excel at system design interviews, it’s valuable to speak about ML functionality as more than just a black box. Having that ability is a surefire way to impress your hiring manager.

Machine learning is also a vast domain. Artificial intelligence, Python, linear algebra, calculus, etc are required for machine learning. Well, it is a complicated technology but it is worth learning.

As mentioned earlier, there is a huge market for it. But the interviews are quite tough.

One should properly prepare before appearing for a data science and machine learning interview. In this article, we will list the best online courses that will help you prepare for data science and machine learning interviews.

By the way, if you are in a rush and just want to start with one course, then start with the Data Science Interview Course by Exponent, one of the most reputable sites when it comes to interview preparation. This course covers not only data science concepts but also interview tips and mock videos which will help you prepare better.

Data Science Interviews - Exponent

Learn to ace data science interviews with interview rubrics, practical frameworks, and hours of mock videos and…

www.tryexponent.com

When it comes to joining any Exponent course, you can either take their monthly ($79 per month) or yearly subscription ($14 per month). Since there is a huge price difference between their monthly and yearly plan I always recommend going for the yearly plan because you get more time to try their various interview courses on Data Science, ML, and System Design for 1/6th of the price.

9 Best Online Courses for AI and Machine Learning Interviews in 2026

Without wasting any more of your time, here is a list of the best online courses to prepare for the Data Science and Machine Learning interview. This list contains the best courses from Udemy, tryExponent.com, and Educative.io, one of the best platforms to prepare for tech interviews.

All these courses are very affordable and trusted by thousands of developers around the world to prepare for Machine learning interviews.

1. Grokking the Machine Learning Interview

This is one of the most popular machine learning interview preparation courses at Educative, a new online learning platform that provides interactive text-based courses and allows you to run code right from your browser.

In this course, the instructor focuses on the important concepts that are required to crack a machine-learning interview. It is inspired by real-world machine-learning interviews.

It covers the most popular interview questions asked at big tech companies. Instead of answering trivia-style questions, you will work through open-ended problems to design real-world machine learning systems.

Requirements

• Basic understanding of Python.
• Basic knowledge of machine learning.

It is an intermediate-level course and you need to have good knowledge of Machine Learning. By the end of this course, you will be armed with the knowledge to excel in your ML interview.

Here is the link to join this course — Grokking the Machine Learning Interview

By the way, you can either join this course individually or you can take an educative subscription for just $14.9 per month (recommended) to get access to their 1250+ high-quality, AI powered, text-based, interactive courses to learn key skills for coding interviews, software development, and technology.

2. Machine Learning System Design Interview

With AI and ML dominating tech hiring, this book covers machine learning pipelines, model serving, data storage, and real-time inference. It’s an essential read for AI/ML engineers aiming at companies like Google, OpenAI, or Meta.

Here is the link to get this book — Machine Learning System Design Interview

By the way, instead of buying this ML System Design book, you can also purchase lifetime membership of ByteByteGo platform. It will not only give you access to this book but his courses and several case studies and articles on Genreative AI and Machine Learning System design.

You can also try it now with 50% OFF

System Design · Coding · Behavioral · Machine Learning Interviews

Everything you need to take your system design skill to the next level

bytebytego.com

3. Data Science Career Guide — Interview Preparation — Udemy

This is a best-selling course at Udemy for data science interview preparation. It is not only about interview preparation though, but it is also a guide for those who want to start a career in data science. In this course, you will learn how to create a data science resume.

Requirements

• An understanding of Probability and Statistics.
• Programming Experience in either Python or R.
• Experience in SQL.
• An understanding of Machine Learning Algorithms.

It has several interviews and practice questions that will surely boost your confidence for the actual interview. It is a four-hour-long course. Only those who have a good understanding of data science and machine learning should join this course.

Here is the link to join this course — Data Science Career Guide — Interview Preparation

4. Data Science Interview Course by tryExponent

When it comes to interview preparation, tryExponent.com is a reputed name. I have taken their System Design course and mock interviews and I must say that they are good at it.

So, when I found that they have a great Data Science Interview course, I immediately jumped on it and I must say that I am not disappointed.

This 52-hour long course covers everything you need to crack a Data Science interview like Data Science concepts, SQL, statistics, data communication, coding, machine learning, and take-home assignments.

Here are the things you will get in this course:

1. Interview rubrics, frameworks, and statistics review
2. 60+ interactive practice questions
3. 25+ full mock interview videos

This course is taught by top Data Scientists at Google, Amazon, Meta, and top startups like Apurvaa Subramaniam, Shreyas Lakhtakia, Angelica Chen, Tyler Shang, and Joshua Bernhard Staff Data Scientist, ex-Houzz

Overall a great course to prepare for Data Science interviews. You will not just understand what types of statistics questions are asked in data science interviews and what interviewers are looking for.

Here is the link to join this course — Data Science Interview course

When it comes to joining any Exponent course, you can either take their monthly ($79 per month) or yearly subscription ($14 per month). Since there is a huge price difference between their monthly and yearly plan I always recommend going for a yearly plan because you get more time to try their various interview courses on Data Science, ML, and System Design for 1/6th of the price.

Membership and Pricing - Exponent

Our courses include a total of 400+ interview lessons, questions, and complete answers with video walkthroughs. Get…

www.tryexponent.com

And, if you are preparing for Machine Learning Interviews then you can also check their ML interview prep course along with this one to improve your chance of cracking interview more. This includes ML system design as well.

5. SQL for Tech and Data Science Interviews

This is a brand new course at Udemy for data science and machine learning preparation. In this course, the instructor goes through different SQL interview questions and mock interviews, explaining each of them.

These questions are selected very carefully by the instructor and resemble the actual interview questions. Choose this course if you want to test your SQL knowledge for data science.

You will also learn Tina’s 5-step framework to acing your SQL interview

Requirements

• Knowledge of data science and machine learning.
• Knowledge of SQL

The total video content of this course is nearly 2.5 hours and this is a great resource to check your SQL skills and level them up before your Data Science and Machine Learning Interviews.

Here is the link to join this course — SQL for Tech and Data Science Interviews

6. Machine Learning for Interviews & Research and DL basics

Another popular course at Udemy is for those individuals who want to test their technical machine-learning knowledge. Throughout the fifty lectures, the instructor covers almost every important concept required for a machine learning technical interview.

Requirements

• High school-level mathematics.
• Basic knowledge of data science.
• Basic knowledge of machine learning.

The total video content of this course is five hours. It is an intermediate-level course. Talking about social proof this course has on average 4.3 ratings and more than 4000 students have joined this course to prepare for machine learning interviews.

Here is the link to join this course —Machine Learning for Interviews & Research and DL basics

7. Machine Learning System Design [Educative]

This is another exciting Machine Learning course from Educative.io that will teach you everything you need to know about the basics of machine learning system design in the shortest time possible.

The course will also teach you everything you need to know about machine learning and system design. It will help you understand the state of the practice on model techniques along with best practices in applying ML models in production at scale.

Course Duration: 1 hour 30 minutes
Course Rating: 4.6 stars out of 5
Course Instructor: Khang Phem
Course Price: $20 per month

Once you’re done with the course, you will be able to apply and leverage knowledge from top researchers at tech companies. You will have up-to-date knowledge in model techniques from hundreds of the latest research and industry papers.

There is even a great chance that the interviewers will be surprised at the depth of your knowledge.

Here is the link to join this course — Machine Learning System Design

8. The Data Science Course 2026: Complete Data Science Bootcamp

With over seventy-eight thousand students enrolled, this is the most popular data science course at Udemy. This course is for those who want to learn data science from scratch.

In this course, the instructor covers all important data science concepts such as statistics, mathematics, python, advanced statistics with Python, machine learning, deep learning, and many more.

Requirements

• No pre-requisites.

It is a long course with a total video content of nearly twenty-nine hours. It is a beginner-level course and a great resource for learning about Data Science from scratch and in-depth.

You can use this to not only prepare for a Data Science interview but also to learn Data Science from scratch.

Talking about social proof, this is one of the most popular data science courses on Udemy and trusted by more than 430K students and it has on average 4.6 ratings from close to 100K participants.

Here is the link to join this course — The Data Science Course 2026: Complete Data Science Bootcamp

9. Generative AI System Design Interview

The newest addition to ByteByteGo’s library, this guide is perfect for 2026’s AI-driven job market. Learn how to design systems that power large language models, image generation, and conversational AI tools.

Here is the link to get this book — Generative AI System Design Interview

By the way, instead of buying the book, you can also purchase lifetime membership of ByteByteGo platform. It will not only give you access to this book but his courses and several case studies and articles on Genreative AI and Machine Learning System design.

You can also try it now with 50% OFF

System Design · Coding · Behavioral · Machine Learning Interviews

Everything you need to take your system design skill to the next level

bytebytego.com

That’s all about the best online courses to prepare for Data Science and Machine Learning interviews in 2026. So these are the five carefully selected courses for those who want to prepare for a data science and machine learning interview.

Some of these courses have technical interview questions and hands-on while some are tutorials. Go through each course and choose accordingly.

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• 5 Books to learn Python for Data Science
• Top 10 Coursera Data Science Courses and Certifications
• Top 10 TensorFlow Courses for Data Scientists
• Top 8 Python Libraries for Data Science and Machine Learning
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• 5 Best NumPy Online Courses for Beginners
• Best Johns Hopkins Courses to Learn Data Science in 2026
• Top 5 Essential Machine Learning Algorithms
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• Top 5 Free Courses to Learn Machine Learning
• 5 Data Science degrees you can earn online
• Top 5 Courses to Learn Tableau for Data Science
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• 10 Free Courses to Learn Python for Beginners
• Top 5 Courses to learn Power BI in 2026
• Top 5 Courses to Learn TensorFlow for Beginners

Thanks for reading this article so far. If you like these best Data Science and Machine Learning interview courses then please share them with your friends and colleagues. If you have any questions or feedback, then please drop a note.

P. S. — If you are keen to learn Data science and Machine Learning in-depth then you can also check out this Machine Learning A-Z™: Hands-On Python & R In Data Science course by the SuperDataScience team and Krill Eremenko on Udemy I highly recommend you to join the this course to beginners and experienced developers.

10 Best Machine Learning Courses & Certifications in 2026

If you work in the technology field today like you are a programmer or software engineer, then I am sure you have heard…

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