Overseas Big Tech Coding Interview: LeetCode Quitter's Study Method for Passing

Step-by-step explanations that even beginners can easily understand make coding tests that once seemed daunting clear and approachable. Learn only what you need and apply it to real problems right away!

LeetCode explained by Dalle, a Korean developer working at a Silicon Valley startup! This is a practical LeetCode problem-solving course that doesn't just provide answer codes, but compares multiple approaches for each problem, analyzes time and space complexity together, and explains why certain solutions are more efficient. First, we write the most intuitive approach and analyze its time/space complexity to identify bottlenecks and improvement points. Then, we explore alternative approaches applying various data structures and algorithmic techniques, comparing the performance differences and pros and cons of each method. Through this, it helps you develop problem-solving skills to design efficient solution strategies on your own when facing new problems.

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"AI will not replace people. People who master AI will replace those who rely on it." In the era of AI, where creating results has become easier than ever, human thinking and problem-solving skills are becoming even more critical. Jae-sung Kim, a former McKinsey consultant, will guide you step-by-step through advanced problem-solving skills using AI, powerful research strategies, and persuasion techniques to turn your results into reality.

"The resumes and cover letters companies want! Providing all-in-one ChatGPT prompts for fast and effective writing🚀" Increase your chances of getting hired with powerful job-specific keywords and differentiated storytelling!

In this course, you can master prompt engineering techniques that can be applied immediately in practice using the OpenAI API. You will learn how to simultaneously improve efficiency and productivity in your daily life and work. In particular, we support you in gaining confidence for interviews by automating the creation of customized resumes and cover letters for your desired companies, as well as preparing for mock interviews.

Learn winning resume principles & know-how and get resume coaching with ChatGPT.

Let's perfectly prepare for the second coding test (implementation test) by solving 10 problems created with reference to front-end coding tests given by actual companies!

After using it for 14 days starting immediately upon release, here are the reasons why I recommend Claude Code (AI Coding) to everyone—from job seekers to industry professionals—as something they can apply right away.

Development of a global career for domestic players! A honey tip lecture for those planning to work abroad

I hope that through this course you will gain a clearer understanding of grammar and gain confidence in solving problems.

If you are worried about where to start and where to start studying because you need to take a SQL coding test to become a data analyst, then come to this seminar!

Beyond the basics of API design, CRUD implementation, and JWT authentication, all the way to backend architecture design! This is an introductory system design course to help you create 'your own backend architecture' so you can confidently discuss design experience in interviews.

Are you preparing to become an MD but feeling overwhelmed about where to start with your product planning portfolio? Using the hypothetical product “Haru Chip Baked Apple Chips 30g” as a case study, learn step by step—from customer analysis and product concept development to sourcing, pricing and profit/loss, ordering and inventory management, launch, and performance reporting. Follow the 10 sessions to complete your own 12-page product planning portfolio and a 60-second presentation to use in interviews.

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Listening to the interview speech can help you pass the interview with flying colors.

I hope that through this course you will gain a clearer understanding of grammar and gain confidence in solving problems.

From documents to interviews, the A-Z of designer employment is included. We will show you in detail how to increase your chances of passing by watching the interview process of an actual applicant that you cannot see anywhere else.

If you are preparing for a data analyst job or career change and were curious about hearing from someone in the field, ask a data analyst anything!

For those who have chosen a career in information security/information technology and are preparing to move to large corporations/financial institutions, we will reveal our strategy for passing the exam. A current CISO who has personally recruited and recommended numerous people will share his secrets for passing the exam. He has heard from his acquaintances, security company CEOs and executives of large companies, and compiled a recruitment bible by collecting a vast amount of recruitment secret data.