Coding Interview Foundations: Data Structures and Algorithms — PickAClass

Coding Interview Foundations: Data Structures and Algorithms

Prepare for technical interviews by understanding essential data structures and practicing common algorithm patterns through clear written examples.

4.5 (2) ⏱ 2h 30m 📚 25 lessons 🎧 Audio version

About this course

Technical interviews can feel overwhelming when you are not sure how to approach complex coding problems. This course breaks down essential data structures and algorithms into manageable, text-based lessons, helping you build the problem-solving skills needed to confidently tackle technical assessments. You will start with foundational definitions, explore modern coding patterns, and apply your knowledge through extensive written exercises. What you will learn: * Understand foundational data structures like arrays, linked lists, hash maps, and trees. * Apply fundamental algorithm patterns such as sliding window, two pointers, and binary search. * Practice evaluating time and space complexity using Big O notation. * Learn how to write clean, type-hinted code solutions that meet modern industry standards. * Build confidence by working through step-by-step written walkthroughs of common interview questions. The course flows from basic concepts and key terminology into practical problem-solving strategies, ensuring a solid grasp of theory before moving to implementation. You will read detailed explanations and analyze code snippets designed to reinforce your understanding. Designed specifically for beginners, this foundational guide requires no prior computer science degree or advanced programming knowledge. Start reading today to sharpen your analytical skills and prepare for your next technical interview.

What you'll get

  • 📜 Certificate of completion
    Add it to your LinkedIn profile
  • 💬 Personal AI tutor
    Stuck on a lesson? Ask your built-in tutor anything, any time.
  • 🎧 Audio version included
    Learn on the go — no screen needed
  • ♾️ Lifetime access
    Come back anytime, no expiry
  • 📱 Phone or computer
    Works anywhere, any device
  • 💸 14-day refund
    No questions asked
  • 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
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Name Surname
has successfully demonstrated mastery of
Coding Interview Foundations: Data Structures and Algorithms
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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Coding Interview Foundations: Data Structures and Algorithms
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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.

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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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