인프런 - 라이프타임 커리어 플랫폼

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.

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!

"In the early 2000s, when I first set foot in this industry, bookstores were filled with nothing but books preaching 'principles.' While you actually need to see the forest in the field, those books were busy talking about the cell division of tree bark. In that state, I was dropped into the middle of the deserts in Qatar, the UAE, and Saudi Arabia, learning HVAC the hard way by 'hitting the ground running.' (The sweat I shed back then could have probably created an oasis.) Later, when I moved to a data center and sat as an interviewer, I was surprised to find that many applicants still couldn't see the 'forest,' just like I couldn't 10 years ago. Out of frustration, I thought, 'I might as well set the stage myself,' and that's how I created this course. This is a 'condensed practical summary' of everything I've realized through 17 years of hands-on experience. Don't struggle as I did; use this course as a 'cheat code' to level up with ease. I always welcome your curiosity. The Q&A board and my inbox are on 'infinite standby,' open 24 hours a day."

I've created a course on 'How to Write a Developer Resume/Portfolio' that can help even non-majors pass the document screening stage!

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

From today, (I am) a developer! For those who are challenging to become a developer, I will provide you with basic development knowledge, preparation methods, and various know-how.

This book contains all the know-how of a person who majored in physical education and started studying development at the age of 29, becoming a top-tier developer at a company with a salary of 40 million won at the age of 30, 60 million won at the age of 31, and more than x million won at the age of 32!

This is an introductory course for beginners in developer employment. If you don't want to do the same job for the rest of your life, I highly recommend that you try being a developer at least once! It doesn't matter if you're not a major or if you're currently doing another job. I'll help you, just like I did when I went from selling rice to becoming a developer!

This lecture reveals employment secrets to prepare you for game programmer interviews. It handpicks frequently asked interview questions for game programmers.

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

This course was created to solve a common problem many people face while preparing for developer jobs: "I studied CS and data structures, but I get tongue-tied during interviews." While conducting actual interviews at companies like Naver, Kakao, and Toss, I noticed that most candidates have memorized concepts but cannot explain why those concepts are necessary or how they are applied in real-world situations. Rather than simple rote memorization, this course teaches you how to understand the interviewer's intent and provide more persuasive answers to the same questions. Whether it's the OSI 7 layers, data structures, or coding tests, we focus on why you need to know them, when they are used, and how to speak about them to receive a positive evaluation in an interview. This course is for those who want to become developers who can explain what they understand in their own words, rather than just giving the same answers as everyone else.

Welcome to the "dungeon" known as the data center. I remember my first day reporting to the data center operations team three years ago. Even though I was a 10-year veteran of construction and commissioning who had seen it all, I have to confess... I was intimidated. (Laughs) "Is this the same HVAC I used to know?" "If I make a mistake here, will it make the national news?" That feeling of your heart racing with half-excitement and half-anxiety—you’re probably feeling it right now, aren't you? Once I actually got into it, I realized the skills I learned while breathing in dust at plant sites didn't just disappear. However, this thing called a "data center" definitely has a different personality than a typical building; it is much more prickly and sensitive. Working as a Lead Engineer, whenever I saw juniors falling into a state of "mental breakdown" with the exact same expression I once had, I would see my own reflection from three years ago. "Man, I had to learn the hard way by banging my head against the wall, but I want to teach these guys so it hurts a little less for them." This lecture was created with that single thought in mind. I’ve already gone ahead, experienced the trial and error you'll face, and even put together a complete "incorrect answer note" for you. I have packed in all the know-how from my 17-year engineering career—mixed with my blood, sweat, and refrigerant. So, please feel free to dig in, tear it apart, and savor every bit of it. If you ever think, "What on earth does this mean?" while studying, don't hesitate to ask on the bulletin board or via email. I will come to answer you faster than a UPS (Uninterruptible Power Supply) and with more energy than an emergency generator. Now, shall we get started?

From differences in work tasks by year to tips on career & job changes, and even how to enhance your capabilities! Grace, a 12-year marketing director who has experienced various interviews from both the interviewer and interviewee perspectives, shares her tips for preparing for job change interviews!

Many test-takers preparing for public institution NCS interviews share the same concerns. "I prepared so hard, but why do my answers always receive ambiguous evaluations?" "It doesn't seem wrong, but why don't the interviewers react positively?" This course directly answers those questions from an interviewer's perspective. While most interview courses teach you how to sound good, this course clearly identifies the moments when interviewers become uneasy listening to your answers, expressions that lose you points, and red flags. Based on actual evaluation experience from a current public institution interviewer, why some answers are "safe but don't score well," which expressions cause interviewers to lose trust, and what elimination risk factors must be removed before crafting a passing answer are systematically organized. Through short lectures of around 3 minutes and PDF kits, students can transform vague anxiety into criteria-based checks and learn to self-verify their answers from an interviewer's perspective. The goal of this course is not to create 'well-spoken answers,' but to complete 'answers that won't fail you.'

Why don't you get any calls even after putting so much effort into writing your resume? If you've been frustrated wondering why you're not getting contacted despite having development skills, the answer lies within this course.

Pass rate 1% -> 66%, achieved a 60 million won salary in the 2nd year ☑️ I have packed all the know-how that turned a resume rejected over 300 times into a resume that 'unconditionally passes' into a single book. Do you feel like you're the only one falling behind despite working as hard as everyone else? If it's difficult to even pass the document screening despite taking numerous courses and building up your specs, there is a high possibility that you misunderstand the 'rules of the game.' This book teaches you the 'rules of the winning game' itself so that your efforts lead to the results you deserve.

We provide specific methods and curriculum for preparing the front-end. This is a lecture on the front-end roadmap that is continuously updated.

This course is a lecture on employment, job changes, and algorithms for non-majors and job seekers.

Here are some tips for interviewing developers that you won't find on the internet. This is the essence of preparing for the web development hiring process.

People who are always praised for their work! There might be a better company for you. Let's prepare for a foreign company transfer with me, which offers not only a good working environment and opportunities for salary increases, but also opportunities to go abroad.