Clean Code Courses and Certifications

Functions and Conditional Statements

41 ratings at Coursera

Call Python functions and write if, else, and elif conditionals with comparators and logical operators, plus clean code practices like commenting, modularity, and refactoring.

• Coursera
• 3 weeks, 1 hour a week
• Self-Paced
• Paid Course

SOLID Principles in C# for Software Architecture & Design

1148 ratings at Udemy

Gain Mastery over SOLID Principles and write solid clean code using object-oriented languages like C#

• Udemy
• 2 hours 39 minutes
• Self-Paced
• Paid Course

Programming Design Patterns For Unity: Write Better Code

1145 ratings at Udemy

How to apply programming best practices to your Unity projects, improve your game development skills and solve problems

• Udemy
• 3 hours 15 minutes
• Self-Paced
• Paid Course

Scrimba Career Certificate

Frontend Developer Skills and Best Practices

25 ratings at Coursera

Write clean, maintainable code, document projects in Markdown, add unit tests, deploy sites with Netlify, and prepare answers to common frontend job interview questions.

• Coursera
• 4 weeks, 10 hours a week
• Self-Paced
• Paid Course
• 5 courses

Basic Programming in Python II

Write clean, Pythonic code that follows PEP 8 conventions, and build dynamic iteration with for and while loops using break, continue, and conditionals.

• Coursera
• 3 weeks, 4 hours a week
• Self-Paced
• Paid Course

Coursera

Optimize Python for Agentic AI

Write production-grade Python for AI agents: apply PEP 8, type hints and docstrings, run flake8 checks, and profile with cProfile to find and refactor bottlenecks.

• Coursera
• 2 weeks, 1 hour a week
• Self-Paced
• Paid Course

Python Data Science Mistakes to Avoid

Spot and fix the small Python mistakes that derail data work: clear comments and naming, project structure, simple tests, data cleaning, outliers, and feature selection.

• Coursera
• 5 weeks, 1 hour a week
• Self-Paced
• Paid Course

Philipp Lackner

The Compose Multiplatform Crash Course - Build a Clean Code Book App - 2025

Master Compose Multiplatform development by building a clean-architecture book app from scratch, covering Ktor, Room database, custom animations, and advanced UI features for cross-platform deployment.

• YouTube
• 5 hours 23 minutes
• Self-Paced
• Free Video

Corey Schafer

Python Tips and Tricks for Writing Better Code

A compact guide to ten Pythonic techniques, from ternary conditionals and context managers to unpacking, introspection, and command-line execution.

• YouTube
• 39 minutes
• Self-Paced
• Free Video

Philipp Lackner

Build a Compose Multiplatform Meme Creator App With Clean Code and MVI

Master Kotlin & Compose Multiplatform by building a cross-platform meme creator app for Android & iOS with clean architecture, MVI pattern, and complete functionality.

• YouTube
• 4 hours 44 minutes
• Self-Paced
• Free Video

Dave Gray

Write Clean Code with React Suspense - React Error Boundaries Explained

Refactor a React app with Suspense and error boundaries to replace loading and error conditionals with fallback UI.

• YouTube
• 27 minutes
• Self-Paced
• Free Video

Android Makers

Clean Code Base: Harnessing the Power of Android Lint and Custom Rules

Harness Android Lint's power to improve code quality. Create custom rules, catch potential issues early, and ensure clean, maintainable code across your Android projects.

• YouTube
• 15 minutes
• Self-Paced
• Free Video

CppNow

Advanced Ranges - Writing Modular, Clean, and Efficient Code with Custom Views

Master C++20 ranges and custom views to write modular, efficient code with lazy evaluation, avoiding intermediate containers while handling complex data transformations.

• YouTube
• 1 hour 24 minutes
• Self-Paced
• Free Video

Devoxx

Victor Rentea - Clean Code, Two Decades Later

Explore modern Clean Code principles, addressing challenges in contemporary app development. Gain practical tricks to combat damaging Code Smells and enhance code quality in today's programming landscape.

• YouTube
• 56 minutes
• Self-Paced
• Free Video

Clean Up on Aisle Cloud - Leveraging Compliance-as-Code for Cloud Security

Leveraging compliance-as-code and open-source tools like Cloud Custodian to address security misconfigurations and ensure compliance in public cloud environments for large enterprises.

• YouTube
• 26 minutes
• Self-Paced
• Free Video