The System Design Learning List for 2026 (6 Courses That Matter)

Top 6 Udemy Courses to Learn High Level and Low Level System Design

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

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

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

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

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?

medium.com

Other Programming Articles and Tutorials you may like

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

7 Best Cybersecurity Courses If You Want to Stay Relevant in 2026

Hello guys, if you want to learn about Cyber Security and become a successful Cyber security professional and looking for best resources to learn essential skills you need to become a Cyber security engineer or analyst then you have come to the right place

Earlier, I have shared best Cyber security courses, books, and a complete Cyber security Analyst roadmap and today I am going to share best Cyber security courses you can join on Udemy.

Why Udemy? Well, when I shared cyber security courses and certifications last time, many of my reader ask me about more affordable option and there is no other platform online which can match Udemy when it comes to affordability. .

Udemy is the only platform where you will find comprehensive and high-quality technical courses at an affordable price of $10 during their sale like the one they are running now.

I usually buy a lot of online courses during these sales and then keep learning from them throughout the year.

I recently bought more than 50 courses on topics like Cybersecurity, System Design, Software Architecture, Generative AI, and Coding Interview preparation.

These courses are from that collection, you can join them to learn all the essential skills, tools, and concepts to succeed as a Cyber Security Engineer or Analyst.

Though, if you are in hurry and can’t read the full article, I suggest you to go and join The Complete Cyber Security Course by Nathan House you will not regret it and thank me alter.

7 Best Cybersecurity Courses on Udemy in 2026

Without any further ado, let’s checkout the best Cyber security courses you can join on Udemy in 2026. These are super high quality courses, created by experts like Nathan House and you can also get it for very affordable price right now.

1. The Complete Cyber Security Course : Hackers Exposed!

This is probably the most popular Udemy course to learn Cyber Security and why not? It’s created by Nathan House, a Cyber Security expert and CE of StationX, a leading Cybersecurity learning platform, and it covers the topic in so much detail that you would need multiple modules.

In this course, you’ll learn advanced about advanced tools and techniques to defeat various online threats, including advanced hackers, trackers, malware, and government mass surveillance.

The course also covers operating system security, privacy, and patching across Windows, MacOS, and Linux. You’ll explore the threat landscape, delving into darknets, dark markets, zero-day vulnerabilities, exploit kits, malware, phishing, and more.

Additionally, you’ll master encryption through an easy-to-follow crash course, empowering you with the knowledge to secure digital environments effectively.

Talking about social proof, more than 287,000 people have already joined this course and it has unbelievable 4.5 rating from close to 59K participants.

Here is the link to join this course — — The Complete Cyber Security Course : Hackers Exposed!

2. Learn Ethical Hacking From Scratch 2026

This is another awesome course on Udemy which you can join to learn about Ethical Hacking and how to security your application, company and infrastructure from them.

Created by Zaid Sabih, an Ethical Hacker, Computer Scientist & CEO of zSecurity, this course will teach you everything you need to learn to become a successful Ethical Hacker in 2026.

This comprehensive course has over 145 videos and 15+ hours of instruction to teach you ethical hacking and cybersecurity from scratch.

In this course you will learn about 30 hacking tools, such as Metasploit, Aircrack-ng, and SQLmap, you’ll engage in 85+ hands-on real-life hacking examples, all without requiring any prior knowledge.

You’ll learn to hack and secure both WiFi and wired networks, hack cloud servers, create backdoors, and hack Windows systems. The course takes you from a beginner to a high-intermediate level, covering web application vulnerabilities, network hacking, and penetration testing.

You’ll explore various hacking fields and install a hacking lab with necessary software on Windows, OS X, and Linux. You’ll also discover and exploit server vulnerabilities, hack secure systems using client-side and social engineering, and secure systems against all demonstrated attacks.

The course will also teach you about installing and using Kali Linux, mastering Linux basics and commands, and using the Linux terminal. You’ll learn network fundamentals, how devices interact, and how to run network attacks without knowing the key.

Talking about social proof, more than 700K people have already joined this course and it has on average 4.6 rating which is just phenomenal for any course. .

Here is the link to join this course — — Learn Ethical Hacking From Scratch 2026

3. The Complete Cyber Security Course : Network Security!

This is another course from Nathan where he talk about Network security, one of the most critical component of Cyber Security.

Created by Nathan House, this comprehensive course provides an advanced practical skill-set in network security, protecting against threats such as advanced hackers, trackers, and Wi-Fi attacks.

It covers the latest methods and information, preparing you for a career as a cybersecurity specialist. You will learn to identify security vulnerabilities across entire networks using hacking techniques and vulnerability scanning.

The course also teaches you how to configure firewalls on Windows, MacOS, and Linux, architect secure networks, and perform network monitoring with tools like Wiresharkand Tcpdump.

It addresses online tracking by corporations and nation-states, search engine privacy, and best practices for authentication and password management.

Upon completion, you can also earn a certificate signed by the instructor, Nathan House, for CPE credits.

Here is the link to join this course — The Complete Cyber Security Course : Network Security!

4. Cyber Security: From Beginner to Expert (2026)

This is another course you can join on Udemy to learn Cyber Security from scratch. Created by Logix Academy, this course will teach you all the security best practices, tools, and techniques a Cyber security engineer should know.

In this Cyber Security course on Udemy you will learn about security governance, network security, cyber attacks, web application security, and malware, with a focus on practical cybersecurity skills through hands-on labs.

It also prepares you for cybersecurity interviews by covering common questions and effective responses.

Additionally, the course helps you get ready for in-demand certifications like CompTIA Security+ and CEH, equipping you with the knowledge and skills needed to excel in the field of cybersecurity.

This is also one of the highest rated Cyber security course on Udemy with on average 4.6 rating from 52,548 students.

Here is the link to join this course — — Cyber Security: From Beginner to Expert

5. CompTIA CySA+ (CS0–003) Complete Course & Practice Exam

If you are looking for an online course to prepare for CompTIA Security+ certification then this course is for you. Created by Jason Dion, a cyber security expert and ex college professor.

He has done almost all the security certification you can think of like Certified Information Systems Security Professional (CISSP), Certified Ethical Hacker (CEH), Certified Network Defense Architect (CNDA), Digital Forensic Examiner (DFE), Digital Media Collector (DMC), CySA+, Security+, Network+, A+, PRINCE2 Practitioner, and ITIL, and it shows in this course.

In this certification prep course, you will learn how to pass the CompTIA CySA+ (CS0–003) certification exam, and getting a deep understanding of security operations, threat and vulnerability management, and cyber incident response.

You’ll also learn how to establish a robust security architecture for your networks and gain insights into various cybersecurity tools available on the market, understanding their applications in different scenarios.

Through comprehensive instruction and practical examples, you’ll be well-prepared to excel in the CompTIA CySA+ certification and enhance your expertise in cybersecurity.

Talking about social proof, more than 23,735 people have already joined this course to prepare for CompTIA Security+ certification.

Here is the link to join this course — — CompTIA CySA+ (CS0–003) Complete Course & Practice Exam

6. Information Security Management Fundamentals for Non-Techies

If you want to learn about Information Security and looking for an affordable online course then you can join this Info security course on Udemy in 2026.

Created by Alton Teaches LLC, this 12. 5 course is great to start learning key Information security concepts.

Here are things you will learn in this course:

Understand the Fundamentals of Information Security Management
Understand different aspects of IT Security
Be Prepared for More Advanced Information Security Courses
Better Protect Your Business & I.T. Infrastructure

Talking about social proof, more than 54,619 professionals have already joined this course to learn Information security and it has got on average 4.6 rating which is just amazing.

Here is the link to join this course — — Information Security Management Fundamentals for Non-Techies

7. The Complete Hands-On Cybersecurity Analyst Course

If you are looking for a well structured course to become a Cybersecurity Analyst in 2026 then this Udemy course is for you.

Created by Mike S. and Jose G. this is an hands-on course to learn all the tools, techniques, and best practices you need to survive in Cybersecurity field.

This one is similar to Google’s Cybersecurity Professional Certificate on Coursera.

For example, you will learn a wide range of cybersecurity skills including basic through advanced skills; ranging from Linux basics to penetration testing and malware analysis.

You will also learn how to build home lab virtual environments for hands-on learning, testing tools safely, enhancing skills, and simulating real-world cybersecurity scenarios.

More importantly you will get practical experience from projects and labs that can be added to resume/cv and portfolios.

Talking about the social proof, more than 3,023 people have already joined this course in very quick time and it has rave reviews with on average 4.7 rating out of 5, which makes it one of the highest rated Udemy course on Cyber security.

Here is the link to join this course — — The Complete Hands-On Cybersecurity Analyst Course

That’s all about the best online courses to learn Cyber Security in 2026. All of these courses are also very affordable and you can get it for just $10 now on Udemy sale.

Even if you don’t have time to complete the course now, you can enroll for a low price now and then when you have time, you can complete it.

Other Certification Resources for IT Professionals and Java Programmers

Thanks for reading this article so far. If you like these Cyber Security online 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 looking for a free course to learn cyber security in 2026 then you can start with this Cyber Security Course for Beginners course on Udemy. It’s completely free and if you need more choices you can also find it here

Top 5 Free Cyber Security Courses for Beginners to Learn in 2026 - Best of Lot

A blog about Java, Programming, Algorithms, Data Structure, SQL, Linux, Database, Interview questions, and my personal…

javarevisited.blogspot.com

Java67

Pages