Practical Software Design with SOLID Principles — PickAClass
4.3 (11) ⏱ 2h 48m 📚 28 lessons 🎧 Audio version

Practical Software Design with SOLID Principles

Learn to write clean, maintainable, and scalable code by mastering the five core principles of object-oriented design.

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About this course

Tired of writing code that becomes difficult to change and test over time? The key to building robust, long-lasting applications isn't just about making them work—it's about designing them well from the start. This course demystifies the core principles of effective software architecture. You will move beyond abstract theory to gain a practical, hands-on understanding of how to structure your code for clarity, flexibility, and scalability, making your projects easier to manage, extend, and collaborate on. What you'll learn: - Understand the five SOLID principles of object-oriented design from the ground up. - Apply design principles to write modular code that is easy to read, debug, and maintain. - Learn how to structure your applications to handle growth and new features without major rewrites. - Practice writing highly testable code by applying concepts like dependency injection and inversion of control. - Explore common design patterns and learn when and how to use them to solve recurring problems. - Develop the skills to identify and refactor poorly structured code into a clean, organized system. The course begins with foundational concepts of software design, then progresses through each SOLID principle with clear explanations and practical exercises. You'll work through written examples to solidify your understanding and build confidence in applying these techniques. This course is designed for developers with some programming experience who are new to software architecture and design principles. No prior knowledge of architecture is required. Start building better software today.

What you'll get

  • 📜 Certificate of completion
    Add it to your LinkedIn profile
  • 💬 Personal AI tutor
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  • 🎧 Audio version included
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  • ♾️ Lifetime access
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  • 📱 Phone or computer
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  • 💸 14-day refund
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  • Short & focused
    2h 48m of practical content

Certificate of completion

Every course you complete on PickAClass issues a credential like this — original, with its own code, verifiable by URL, and detailed about what was actually demonstrated.

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PickAClass
Skills profile · verifiable
Document
Certificate of Mastery
This certifies that
Name Surname
has successfully demonstrated mastery of
Practical Software Design with SOLID Principles
Skills demonstrated
Behavioral pattern analysis
Foundational
1.2 hrs
Decision-architecture frameworks
Proficient
1.4 hrs
A/B test design
Proficient
1.7 hrs
Behavioral copywriting
Advanced
1.9 hrs
P
PickAClass — Name Surname
Practical Software Design with SOLID Principles
Page 2 of 2
Performance detail
Coursework summary
Lessons completed 14 / 14
Practice questions 26 / 28
Assignments submitted 4 (avg 4.5 / 5)
Capstone project Reviewed — 4.6 / 5
Total practice 6.2 hrs
Performance benchmark
Cohort rank Top 12% of 1,625
Time to completion 11 days (median: 22)
Mastery score 91 / 100
Practice-question score 94%
Skill verification Verified Skill Path
Verify this credential
pickaclass.com/certificates/PCC-2026-X4F7-AP19
Issued under the academic standards of PickAClass. Skill levels reflect assessed performance against the course's competency rubric. This is an original credential of this platform.

Reviews (11)

Akua Gyan GH
★ 4 · July 24, 2026

This course exceeded my expectations! The examples were super relevant and helped solidify the concepts. Highly enjoyable.

نادية السالم KW Verified learner
★ 4 · July 19, 2026

It's a good course if you have some prior knowledge. For absolute beginners, some concepts might be a bit challenging. The structure is logical, though.

Daniel Guzmán CR Verified learner
★ 5 · July 13, 2026

Brilliant course! The structure was intuitive and the actionable insights are invaluable. Highly recommend.

Madison Bouchard CA Verified learner
★ 5 · July 8, 2026

Brilliant course design. The way concepts build on each other is seamless. Very practical and well-explained.

Abigail Garcia PH
★ 4 · July 5, 2026

Solid content and presented clearly. I appreciated the real-world applications shown. Could have used a few more practice opportunities.

Santiago Guzmán UY
★ 5 · July 5, 2026

Loved the practical application examples. Exactly the kind of hands-on learning I was looking for.

শাহজাহান মিয়া BD Verified learner
★ 4 · June 30, 2026

It's a solid course. The structure is logical and most of the examples were helpful. Could use a few more real-world scenarios though.

Lutfi Ali ID Verified learner
★ 4 · June 25, 2026

Learned a ton and the structure made it easy to follow along. Loved the practical application examples they provided.

山口 菜々子 JP
★ 4 · June 2, 2026

So glad I took this course. The practical applications shown were super helpful, and the overall structure was top-notch.

Soe Myint MM Verified learner
★ 5 · May 27, 2026

Brilliant course! The flow of information was perfect, and the examples really solidified the concepts. Loved it!

صالح البلوشي KW
★ 3 · May 27, 2026

It's a decent introduction. Could benefit from more diverse examples and a slightly better flow between modules.

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Just a phone or computer with internet. No installs, no special hardware.

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By card via Stripe. We don’t store card details — Stripe handles them securely.

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Yes — full refund within 14 days, no questions asked.

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Forever. Once you purchase, the course is yours to revisit anytime.

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Yes. On completion you'll receive a certificate you can add to your LinkedIn profile.

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