People who are good at their jobs speak 'this way'

The best introductory programming course that has already been taken and enjoyed by over 20,000 people. This introductory programming course was planned and prepared by Inflearn from the perspective of a non-major, and helps people who have never touched programming before to develop programming skills that can be used in real life.

This course is designed to cover the grammar of multi-threading, multi-processing, parallelism, and concurrency based on OS knowledge in preparation for technical interviews. You will learn basic knowledge about how to increase execution efficiency with multiple resources.

Based on basic Python grammar knowledge, we will gradually increase the difficulty level from easy to difficult examples. During this process, you will learn how to study on your own, acquire solid grammar knowledge, and firmly establish your basics. In addition, we will learn frequently used patterns in Python programming.

Learn Figma, the most widely used collaboration tool in the world! Learn the basics of Figma, a design tool for UI design sketching, prototyping, and collaboration, and how to use it in practice.

This course focuses on teaching high-level grammar so that learners who have learned the basics of Python can apply Python to practical use. By understanding the unique features of Python and learning them quickly, you can become familiar with intermediate-level programming.

This course is designed to cover Python metaprogramming and in-depth grammar based on extensive Python development experience and online and offline teaching experience. Furthermore, we have prepared a curriculum that will be helpful for Python job seekers' interviews and technical interviews for experienced professionals. In addition, we will explain the process of directly distributing the library you created to PyPI (Python Package Index).

You can meet Excel as a data analysis tool that can add value to your work. This is a basic Excel course that teaches concepts in a broad and thorough manner from the basics.

It explains the basic concepts step by step and helps you gain practical knowledge by practicing creating various applications that actually run in a web environment. If you complete this course, you will be ready to work as a programmer.

This is a recorded video of the TDD online live meetup held in July 2025.

Leverage Python to create your own indicators and a convenient tool for securities analysis!

This is a class that teaches intermediate and advanced level data analysis and visualization chart creation methods to those who can handle Excel basics. With this class, you can master Excel completely!

Java basic concepts, learn them all at once in this lecture. Also, learn them through practical examples such as academic management program, daycare meal management, etc.😀

In an environment without a design team, product proposals, or a PM, how can we plan, deliver, and persuade? Kim Young-jun, former 29CM Product Design Lead, will share his self-product strategy focusing on Figma, along with practical case studies. Learn in detail everything from how to survive in a structureless environment to how to build structure with just Figma.

Learn the features of Sketch, a widely used UX/UI design tool, and learn about the overall application interface design process.

We will look at the overall features of Adobe XD, a UX/UI design tool from Adobe, and learn various ways to apply it to practical design work.

In this lecture, we will look at service planning and design methodologies for planning services in the IT/tech field, as well as various soft skills that service planners must have. Finally, we will analyze the service using the example of an AI voice recognition service, a UX service introductory lecture for beginners.

This is a basic UI design course for those who want to become a new UI/UX designer or learn about UI design. You will learn basic knowledge about UI design and design tips that are essential in practice.

Learn about the concept of UX (User Experience) and explore today's UX design processes and design trends, and learn about the concept of UX/UI in general.

This is the edited live video from the LLM Application Experience Sharing Session with knowledge sharer Kang Byung-jin :)

The content is composed of core competencies essential for a successful professional life, including self-leadership, interpersonal skills, metacognition, and habit change.

The 10 Steps to Self-Branding doesn't tell you to 'take action right now!' It gives you insight into how to turn a frustrating and daunting reality into valuable time for the future! You can gain a sense of how to grow deeply and build authenticity in your own field, not the goals and standards set by the world.

In this class, you can present without memorizing or trembling. You will no longer be afraid of presenting, and you will achieve your desired purpose by communicating with the audience.

Performance Management Training Solution to Make Leaders 'Speak Through Performance' As the corporate environment rapidly changes due to DT transformation, leaders' perceptions, knowledge, and methodologies regarding performance management must also change. Global leader CEO Jung Tae-hee, the youngest female executive in the IT industry, shares how to gain recognition through performance management, incorporating the latest performance management trends from the most innovative companies.

A practical publishing strategy revealed by an author and editor. From publishing proposal to contract and monetization—how to change your career with one print book.

No longer living as “me, myself” in “other people’s subjectivity”. Survive as “me”! Get rid of socially fixed frames and bubbles, and learn the know + how to develop and design your own experience and career to create a personal brand.

We'll tell you what to do and what not to do when you have to give a technical/business presentation.

80% of documents and presentations are simple logical design and storytelling skills centered on the audience. The goal of this course is to add design and speech that can be quickly understood without misunderstanding.

Are you writing proposals like reports, one by one, under pressure from time to time? Then, why not reorganize the proposal process, organization, and proposals so that you can lead the entire season to victory?

This talk will cover how a bootcamp graduate went from winning hackathons, creating courses, and mentoring new hires all in one year.

If you want to grow as a developer who is recognized by your colleagues, team, and even the company, and can work with more responsibility and influence? In this lecture, I will share with you my know-how on growth.

If you're okay living your whole life doing what others tell you, you don't have to read this book. Please go back.

Pass rate 1% -> 66%, 2nd year salary achieved 6,000 ☑️ I've compiled all the know-how that transformed a resume that was rejected over 300 times into one that 'always passes' into a single book. Do you feel like you're falling behind even though you're working as hard as everyone else? If you're having trouble even passing document screening despite taking countless courses and building your specs, there's a high chance you're misunderstanding the 'rules of the game.' This book will teach you the 'rules of the winning game' itself, so that your efforts lead to the results you deserve.

Everything you need to know about successfully planning and executing a presentation that no office worker can avoid!

Coach Kim Ho (CEO of The Lab H), sought by CEOs and executives of global corporations, domestic conglomerates, and startups for improving decision-making and leadership communication. He helps you learn and practice 26 communication tools and key sentences he personally selected, each within 5 minutes. With 5 minutes a day, in 4 weeks, you too can improve your communication even more than now. Imagine. What kind of things could happen even if you only become just 25% better at communication than you are now!!!