Data Structures and Algorithms in C# with Unit Testing

Master essential computer science fundamentals, implement custom algorithms in modern C#, and write robust unit tests to prepare for technical interviews.

4.8 (2,265) ⏱ 1h 27m 📚 3 lessons 🎧 Audio version

About this course

Strong software development begins with a solid understanding of how data is organized and processed. If you want to write efficient code and confidently pass technical interviews, mastering core computer science principles in C# is your most critical step. This text-based course guides you from foundational programming concepts to advanced data structures and custom algorithms. You will learn not just how to use built-in .NET collections, but how they work under the hood, enabling you to make optimal design decisions and write clean, testable code using modern C# features and Test-Driven Development (TDD). What you'll learn: - Understand the fundamental concepts of Big O notation and algorithmic complexity. - Build custom data structures from scratch including linked lists, trees, and hash tables. - Implement essential sorting and searching algorithms with step-by-step code analysis. - Apply Test-Driven Development (TDD) principles to verify your algorithms using modern testing frameworks. - Analyze the inner workings of built-in .NET collections to make optimal performance choices. - Leverage modern C# features like pattern matching and generics to write clean, type-safe structures. Starting with fundamental definitions of memory management and complexity, you will progress through sequential and non-linear data structures, concluding with practical algorithmic problem-solving and unit testing paradigms. Each concept is explained through clear, structured text and detailed code snippets. This course is designed for beginner to intermediate C# developers who want to strengthen their computer science fundamentals and prepare for coding interviews. No prior experience with algorithms, data structures, or testing is required. Start reading today to build a deeper understanding of efficient programming in C#.

What you'll get

  • 📜 Certificate of completion
    Add it to your LinkedIn profile
  • 🎧 Audio version included
    Learn on the go — no screen needed
  • ♾️ Lifetime access
    Come back anytime, no expiry
  • 📱 Phone or computer
    Works anywhere, any device
  • 💸 30-day refund
    No questions asked
  • Short & focused
    1h 27m of practical content

Reviews (13)

Hannah Olivier ZA
★ 5 · 2026-04-16T03:48:53+00:00

This was brilliant. The examples were super helpful and really solidified the concepts. Left me feeling inspired and ready to apply what I learned.

Bahar Aktaş TR
★ 4 · 2026-02-04T09:14:53+00:00

Pretty good foundation. The examples were mostly helpful. Might need additional practice elsewhere for mastery.

Ravi Kumar LK Verified learner
★ 4 · 2025-11-17T08:02:53+00:00

This was a brilliant way to learn! The structure was logical, the pace was spot on, and the examples were super helpful. Highly recommend!

أحمد بن علي المنصوري OM Verified learner
★ 4 · 2025-11-07T00:30:53+00:00

Couldn't have asked for a better learning experience. The structure flowed perfectly, and the examples were incredibly relevant. Highly recommend!

Francisca Pereira BR Verified learner
★ 3 · 2025-11-04T04:58:53+00:00

Hmm, not sure about this one. The pace was definitely a challenge, and some examples were hard to follow. Needed more practice.

لطيفة القطان KW Verified learner
★ 4 · 2025-10-12T02:48:53+00:00

Really enjoyed this. The pace was perfect for me, and the examples really helped solidify the concepts. Got a lot out of it!

Agustín Rodríguez AR Verified learner
★ 4 · 2025-08-05T13:01:53+00:00

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.

Girma Melese ET
★ 5 · 2025-07-31T12:58:53+00:00

So impressed with how this was put together. The examples were perfect, and the overall structure made complex ideas easy to grasp. Loved it!

Grace Hall NZ Verified learner
★ 4 · 2025-07-24T08:30:53+00:00

Pretty good introduction. The examples were helpful, but I wish there was a bit more practice material. Solid value for the cost.

خالد بن محمد SA Verified learner
★ 4 · 2025-03-20T17:30:53+00:00

Pretty good overall. Some parts were a bit slow, but the examples were solid and helped me grasp the concepts.

Grace Baah GH Verified learner
★ 4 · 2025-03-16T08:44:53+00:00

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

عائشة بنت خالد المهندي QA Verified learner
★ 4 · 2025-02-19T16:04:53+00:00

This was a good introduction. The structure is logical, and it covers the basics effectively. Might be too introductory for advanced learners.

Sophia Martin AU
★ 4 · 2024-12-07T03:07:53+00:00

Overall a good learning experience. The structure made sense, and the examples were relevant, though I felt some topics could have been explored more thoroughly.

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Frequently asked

What do I need to take this course? +

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

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By card via Stripe, or with cryptocurrency. We do not store card details — Stripe handles them securely.

Can I get a refund? +

Yes — full refund within 30 days, no questions asked.

How long will I have access? +

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

Will I get a certificate? +

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

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