How to Write a Server Developer Resume Using AI 200% - Tips from an Interviewer

Spring Boot development method using Kotlin taught by a professional developer!! Learn simple grammar and stable web application development method using Spring Boot.

A Non-major Developer's 5-Year Journey: A Guide to Reducing Time and Trial and Error

Perfect Interview English with Charm and Persuasion Job interviews aren't won by English skills alone. From self-introductions to motivation for applying, explaining strengths and weaknesses, to handling situational questions—you need strategies to answer logically and confidently. This course is based on frequently asked questions from actual global companies and foreign firms, following a learning sequence of ✔ Answer Structure Design → ✔ Key Expression Mastery → ✔ Real-world Role-play Training. Rather than simple memorization, we'll develop your ability to expand answers with your own unique stories. Intensive analysis of 30+ essential frequently asked questions Model answers & instant variation training Logical answer frameworks that interviewers love Role-plays that capture the real interview atmosphere This will be the most practical guide for those preparing for English interviews at foreign companies, global corporations, and major domestic companies.

A basic textbook and practical guide covering principles and practical uses of various generative AIs like ChatGPT and Claude, and for their effective introduction and utilization.

GPT lecture with 430K YouTube views! Meet the renewed 2025 online lecture!

The AI era is bringing many changes to the gaming industry. We explore how the future will change, how to prepare for the future, and survival strategies for game developers.

Do you feel overwhelmed just thinking about moments of persuasion? Stop relying on emotions and intuition in negotiations! With Jasmine Han, former Apple business coach, you can take control of negotiations in just 15 minutes a day for one month.

<Prompt Engineering> Direct lecture by author. Feel free to use ChatGPT, Bing, Bard, HyperCLOVA X, etc.

AI literacy refers to 'the ability for general users, not just technicians, to effectively utilize AI in their work and daily lives,' and 'the competency to critically evaluate AI.' This is a practical, literacy-focused lecture, designed for non-majors to understand, covering key knowledge for effectively 'utilizing' AI: from prompt engineering → understanding security → expansion → automation → to language model structure.

# AI Side Hustle King: Aiming for 1 Million Won per Month with 2 Hours a Day I'll reveal every detail of my know-how—raising two kids while generating 15 million won in pure profit / 60 million won in sales per month, working just 2 hours a day. I'm confident I'm the best at utilizing AI in online sales. Smart Store / Coupang / Branding - An all-in-one package covering sourcing / marketing / detail pages / sales This isn't about randomly churning out products based on luck. It's designed to read the market → create a structure that sells → systematically drive exposure and conversion. I've included only what's essential, in the right order, to minimize wasted effort while using minimal time. ## What This Course Does for You - Helps you select "products that sell" when you're unsure what to sell - Teaches you how to read keywords and intent to reach profitable customers first - Shows you strategies to avoid competition by changing "category names" for the same products - Sets up a roadmap for the structure and timing that generates exposure on Coupang and Naver - Boosts conversion rates with detail pages and connects reviews/blogs/ads - Reduces image/content creation time with AI, making 2-hour daily operations possible ## Core Flow Included in the Curriculum **1) Planning Products That Sell** - Selling customer "problems," not products - Extracting ideas from customers' inconvenient habits - Reading market depth through search patterns - Practice: Identify 3 problems your product solves **2) Practical Keyword Research** - Reading "intent" is more important than search volume - Capturing key points in the search → comparison → purchase flow - Differences between Coupang vs Naver keyword research - Practice: Finding keywords for your product **3) Categorization to Avoid Competition** - The principle that the same product enters a different market with a different name - Creating a competition-free position by inventing new category names - Success case analysis + niche exposure structure - Practice: Planning a new category name for your product **4) Platform Strategy (Coupang·Naver)** - Making top exposure through "structure," not "effort" - Understanding Coupang/Naver exposure logic - New category entry timing, reading traffic data - Practice: Creating a platform entry roadmap **5) Detail Pages That Create Conversions** - Customers buy emotions and confidence, not products - Designing storylines with emotion → awareness → persuasion flow - Practice: Rebuilding emotional points in your detail page - Actual production including redesign with ChatGPT/editor **6) AI Image·Content Creation Practice** - Quickly generating needed images with prompt design methods - Utilizing Freepik + visual content creation - Practice: Detail page creation and feedback **7) From Zero-Cost Marketing to Paid Advertising** - Zero-cost marketing: Building trust with review-type/experience-type content - Blogs: Combining exposure-focused writing with conversion-oriented structure - Paid ads: Dissecting Naver/Coupang ad structure, ROAS-based operations - Avoiding auto-bidding traps, designing thumbnails/keywords centered on CTR - Practice: Designing ad promotions for your product ## Why It's Efficient This course doesn't just tell you "what to do"— it connects 'product-keyword-category-platform-detail page-marketing-advertising' in a single line, in the order that actually makes money. 2-3 million won courses? There are many good courses. But I'm confident there's no course with this level of quality at this price! The most fatal thing about a 2-hour-a-day side hustle is working hard in the wrong direction. This course is designed to save that time by making you move based on market and customer intent from the start, and structured so that once you build the system, it continues to generate sales.

We'll comprehensively cover all the hot topics in generative AI, LLM, and agents throughout 2025! Let's explore the trends in AI's remarkable development in '25, focusing on announcements from the three major AI developers (OpenAI, Google, Anthropic).

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.

A lecture on practical blog operation using AI tools, condensed from 20 months of experience! It offers step-by-step utilization methods from topic selection to content creation with Perplexity, ChatGPT, and Midjourney.

"AI will not replace people. Those who master AI will replace those who depend on AI." In the AI era, an age where results can be produced more easily than ever, human thinking and problem-solving abilities become even more important. Kim Jae-sung, a former McKinsey consultant, will guide you step by step through problem-solving skills that put you ahead with AI, powerful research strategies, and persuasion strategies that turn results into reality.

In this course, you'll master prompt engineering techniques directly applicable in real-world scenarios using the OpenAI API. You'll learn how to simultaneously boost efficiency and productivity in your daily life and work. Specifically, we'll help you gain interview confidence by automating the creation of customized resumes and cover letters for desired companies, as well as mock interview preparation.

Based on problems from major game companies like Nexon, NC, Krafton, and Netmarble, this explains essential C++ concepts and problem-solving skills that job seekers and career changers must know. Pass technical tests and interviews in one go with 10 years of actual exam questions.

AI, the Key to Opening the World of Statistics "AI, by enabling easy mastery of complex statistical principles and analysis techniques, uncovers hidden meanings in data and provides insights for better decision-making. AI is now beyond a complex statistical calculator; it is a companion supporting statistical thinking."

A quick, essential lecture for mastering ChatGPT! Let's learn fast!

This lecture teaches how to create diverse quant investment strategies using ChatGPT. Use ChatGPT to build your own quant investment strategy.

Now is an era where anyone can create services without coding. Selfish Club crew members implemented services for actual use with only the essential features needed within 3 weeks. These are cases where crew members who don't know how to code directly created services to solve problems using only natural language prompts. Vibe coding is no longer an unfamiliar concept! We're sharing real cases of 'what actual problems can be solved through coding' with everyone through actual examples!

I will tell you the "formula" for creating 챗GPT prompts. If you apply only this formula, good prompts will pour out.