Clean Code: 20 Code Smells and How to Get Rid of Them — 91% Off Coupon

Improve your software design skills by learning 20 common code anti-patterns and techniques to eliminate them!

⭐ 4.8 out of 5(1,104 students enrolled)Created by Lauro Fialho MüllerLast updated: 🌐 English

Course Overview - Key Takeaways

The following summarizes all verified data points for this course, including pricing, duration, instructor, and coupon validity. All data is sourced directly from Udemy and verified by CourseSpeak on .

•Course Title: Clean Code: 20 Code Smells and How to Get Rid of Them
•Provider: Udemy (listed via CourseSpeak)
•Instructor: Lauro Fialho Müller
•Coupon Verified On: October 15, 2026
•Difficulty Level: All Levels
•Category: Development
•Subcategory: Software Engineering
•Duration: 6h of on-demand video
•Language: English
•Access: Lifetime access to all course lectures and updates
•Certificate: Official certificate of completion issued by Udemy upon finishing all course requirements
•Top Learning Outcomes: Apply the fundamental principles of good software design: Encapsulation, abstraction, polymorphism, among others. · Understand the SOLID principles of software engineering and how to use them to design better code · Acquire practical skills to improve the quality and the design of
•Prerequisites: Familiarity with JavaScript and TypeScript (or any other major programming language) is recommended to better follow the code examples. · Familiarity with Git.
•Price: $12.99 with coupon / Regular Udemy price: $149.99. Applying this coupon saves you $137.00 (91% OFF).
•Coupon: Click REDEEM COUPON below to apply discount
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What You'll Learn

This course gives you the following verified skills and competencies in Development:

✓Apply the fundamental principles of good software design: Encapsulation, abstraction, polymorphism, among others. .
✓Understand the SOLID principles of software engineering and how to use them to design better code .
✓Acquire practical skills to improve the quality and the design of .
✓Learn how to fix the most common pitfalls of Object Oriented Programming .
✓Learn how to design highly maintainable, extensible, and easy-to-change code.

Course Requirements & Prerequisites

The following background knowledge and tools are recommended before starting this course. Students without these prerequisites may still enroll but should expect a steeper learning curve:

•Familiarity with JavaScript and TypeScript (or any other major programming language) is recommended to better follow the code examples.
•Familiarity with Git.

About This Udemy Course

The following is the full official course description as published on Udemy by instructor Lauro Fialho Müller. It covers the curriculum structure, teaching methodology, and topic scope for this Development course:

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Course Comparison

Compare features side by side to find the best course for your needs.

FeatureCURRENT
ProviderUdemyUdemy
Price
$12.99$149.99-91%
$9.99$149.99-93%
Rating
4.8(1.1k)
4.6(1k)
Duration6h8h
Coupon22F8C6...OCTOBE...
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Is the Clean Code: 20 Code Smells and How to Get Rid of Them Coupon Worth It?

Expert review by Josh Smith, Lead Course Reviewer at CourseSpeakUpdated Oct 15, 2026

The short answer is yes — provided the Development skills this course teaches actually line up with what you want to build. The regular price for Clean Code: 20 Code Smells and How to Get Rid of Them on Udemy is $149.99. The coupon code listed on this page drops that to $12.99 — a saving of $137.00, or 91% off the standard rate. Spread across 6h of on-demand video, that works out to roughly $2.17 per hour of content — less than the cost of a single chapter of most printed development textbooks.

A discount is only worth something if the material delivers, and the curriculum here is built around practical outcomes. Lauro Fialho Müller walks you through apply the fundamental principles of good software design: Encapsulation, abstraction, polymorphism, among others., understand the SOLID principles of software engineering and how to use them to design better code, and acquire practical skills to improve the quality and the design of — concrete skills you can apply, not abstract theory. It has already been taken by 1,104 students and holds a 4.8-star average from verified reviews, which is a reasonable sign the content holds up in practice.

The bar to entry is low: Familiarity with JavaScript and TypeScript (or any other major programming language) is recommended to better follow the code examples.; Familiarity with Git.. That makes it a realistic choice even if Development is unfamiliar territory. In practical terms, expect around 6h of on-demand video to work through at your own pace. The material is presented in English.

Pros

  • ✓Verified 91% price reduction.
  • ✓High learner satisfaction (4.8/5).
  • ✓Trusted by 1,104 students.
  • ✓Certificate + lifetime access.

Cons

  • !The coupon is time-limited — once it expires, the price tends to revert toward the standard $149.99.
  • !Lifetime access is tied to Udemy staying online; the platform can change its policies.
  • !Budget for the exercises and quizzes too — they add real time on top of the 6h of video.
Josh Smith
Josh Smith
Lead Course Reviewer
Credentials →

"At roughly $2.17 an hour of video, Clean Code: 20 Code Smells and How to Get Rid of Them is priced sensibly for what it actually covers — apply the fundamental principles of good software design: Encapsulation, abstraction, polymorphism, among others. and beyond. If Development is on your roadmap and you value the 4.8-star track record, this coupon is worth using while it's still valid."

✓
Final Verdict: Worth It
Saves you $137.00 against the standard Udemy price
New to redeeming coupons? Visit our step-by-step guide for detailed instructions on how to apply coupon codes.Coupon last verified October 15, 2026.At $12.99 you save $137.00 compared to the standard $149.99 price, and Udemy coupons are time-limited — redeem as soon as possible.

Course Rating Summary

This course holds an aggregate rating of 4.8 out of 5 based on 1,104 student reviews on Udemy. The distribution below shows the approximate percentage of students who gave each star rating.

4.8
1,104 Verified Ratings
5 stars
75%
4 stars
15%
3 stars
6%
2 stars
2%
1 star
2%

* Rating distribution is approximated from the aggregate score. Sourced from Udemy. Last verified: October 15, 2026.

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Instructor Profile

Background information on Lauro Fialho Müller, the instructor responsible for this course on Udemy.

Lauro Fialho Müller
Lauro Fialho Müller
Udemy Instructor
Full Profile ↗
Subject Area
Development
Total Students
1,104+ enrolled
Rating
4.8 / 5.0
Course Duration
6h
Teaching Approach
Practical, project-based instruction built around real-world application of Development skills, with hands-on exercises and quizzes to reinforce each section.

Frequently Asked Questions

The following questions and answers cover the most common queries about this course, its coupon code, pricing, and enrollment process. All answers are based on verified data from Udemy as of October 15, 2026.

About the Author

Josh Smith
Josh Smith
Udemy Coupon Specialist

8+ years finding and verifying the best Udemy deals. Helped thousands of students save on premium courses through curated coupon codes and exclusive discounts.

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