Coding Interview Prep: Patterns for Large-Scale Tech Problems โ€” WalkSelf
โฑ 2h 54m ๐Ÿ“š 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.

  • ๐Ÿ’ฌ AI instructor
    Ask about any lesson and get a clear answer instantly, anytime.
  • ๐Ÿ• Start anytime
    No schedules or deadlines โ€” learn at your own pace, whenever suits you.
  • ๐ŸŒ In English
    Lessons, tasks and certificate โ€” all fully in your language.

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 scenariosโ€”such as recommendation algorithms and logistics optimizationโ€”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

  • ๐Ÿ“œ Certificate of completion
    Add it to your LinkedIn profile
  • ๐Ÿ’ฌ Personal AI tutor
    Stuck on a lesson? Ask your built-in tutor anything, any time.
  • โ™พ๏ธ Lifetime access
    Come back anytime, no expiry
  • ๐Ÿ“ฑ Phone or computer
    Works anywhere, any device
  • ๐Ÿ’ธ 14-day refund
    No questions asked
  • โšก Short & focused
    2h 54m of practical content

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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.

How do I pay? +

By card via Stripe. We donโ€™t store card details โ€” Stripe handles them securely.

Can I get a refund? +

Yes โ€” full refund within 14 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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