Coding Interview Prep: Patterns for Large-Scale Tech Problems — PickAClass
⏱ 2h 54m 📚 29 lessons

Coding Interview Prep: Patterns for Large-Scale Tech Problems

Master the fundamental algorithmic patterns behind recommendation systems, logistics routing, and data structures to confidently approach your next technical interview.

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About this course

Preparing for technical coding interviews can feel overwhelming when you try to memorize hundreds of individual problems. The secret to success lies in recognizing the core algorithmic patterns that solve entire classes of scale, routing, and logistics challenges. This text-only course guides you through the foundational concepts and step-by-step logic needed to tackle complex coding questions. You will learn how to break down real-world scenarios—such as recommendation algorithms and logistics optimization—into clear, structured code. What you'll learn: - Understand foundational data structures and their Big O space and time complexities. - Identify common algorithmic patterns like sliding windows, two pointers, and graph traversals. - Analyze logistics and routing problems using modern, clean code principles and type hints. - Apply greedy algorithms and dynamic programming to recommendation engine scenarios. - Practice dry-running your code step-by-step to explain your thought process clearly during interviews. The course begins with core definitions and complexity analysis before moving into detailed walkthroughs of classic problem patterns. You will read through comprehensive explanations, conceptual breakdowns, and optimized code implementations. This course is designed for aspiring software engineers and developers preparing for technical interviews, with no advanced prerequisites other than a basic familiarity with programming concepts. Start reading today to build a systematic approach to technical interviews.

What you'll get

  • 📜 Certificate of completion
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  • 💬 Personal AI tutor
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  • 📱 Phone or computer
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  • 💸 14-day refund
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  • Short & focused
    2h 54m 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
Coding Interview Prep: Patterns for Large-Scale Tech Problems
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
Coding Interview Prep: Patterns for Large-Scale Tech Problems
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.

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

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