Data Structures and Algorithms for Coding Interviews — PickAClass
3.0 (6) ⏱ 2h 30m 📚 25 lessons 🎧 Audio version

Data Structures and Algorithms for Coding Interviews

Build a strong foundation in core data structures, algorithms, and Big O notation to confidently solve technical coding interview challenges.

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About this course

Preparing for technical interviews can feel overwhelming when faced with complex problem-solving patterns and efficiency requirements. This course demystifies foundational computer science concepts, helping you transition from writing working code to writing optimal, highly efficient software. You will develop a deep mental model of how data is stored, organized, and manipulated in memory. Through clear text-based explanations, step-by-step code breakdowns, and targeted practice problems, you will learn to analyze any programming challenge, select the ideal data structures, and implement robust algorithmic solutions. What you'll learn: - Understand Big O notation to analyze and optimize the time and space complexity of your code. - Implement fundamental data structures including arrays, linked lists, stacks, queues, and hash tables. - Navigate hierarchical structures by building and traversing binary trees, heaps, and graphs. - Apply classic searching and sorting algorithms to organize and retrieve data efficiently. - Write modern, clean, and type-safe code implementations for classic algorithms. - Formulate systematic problem-solving strategies to approach unfamiliar coding interview questions. The course begins with core definitions and complexity analysis before guiding you step-by-step through linear data structures, non-linear structures, and advanced sorting algorithms. Each concept is reinforced with written walkthroughs, code snippets, and self-assessment exercises. This course is designed for aspiring software engineers, self-taught developers, and computer science students preparing for technical interviews. No prior experience with advanced algorithms is required, though a basic familiarity with programming fundamentals is recommended. Start building your technical problem-solving foundation today.

What you'll get

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  • 📱 Phone or computer
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  • Short & focused
    2h 30m 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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Certificate of Mastery
This certifies that
Name Surname
has successfully demonstrated mastery of
Data Structures and Algorithms for Coding Interviews
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
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PickAClass — Name Surname
Data Structures and Algorithms for Coding Interviews
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
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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 (6)

علي بن حسن الغانم QA
★ 3 · July 15, 2026

Not what I hoped for. The structure was confusing, and the examples were unhelpful. I learned very little and regret taking this course.

راشد بن سالم المخيني OM
★ 4 · July 3, 2026

A good introduction. The structure was mostly clear, but I wish there were a few more real-world examples. Still, learned a lot.

Eva Palková SK Verified learner
★ 4 · June 29, 2026

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

سلطان بن بدر SA
★ 1 · June 28, 2026

Honestly, pretty disappointing. The concepts weren't explained well at all, and the examples were confusing. Wouldn't do this again.

عبدالرحمن بن فيصل الكندي OM
★ 4 · June 19, 2026

It was a pretty good course overall. Some parts moved a bit fast, but the examples were generally helpful. Worth the investment.

Juan Pablo Torres CO
★ 2 · June 12, 2026

Hmm, I'm not sure this was the best way to learn this. Some concepts were a bit glossed over, and the examples weren't always clear.

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