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.

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.

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 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).

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.

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.

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.

This is an introductory web development course for those starting programming for the first time. By learning HTML, CSS, and JavaScript and creating an Instagram post card, you will learn the essential basics required for web page production.

Do you want to create a tool that can help you with your real-world investments using Python? In this course, you will learn how to create an interactive web dashboard for financial data analysis for intermediate Python users and learn about pair trading strategies for in-depth quantitative work. We hope that you will be able to create your own useful analysis tools to help you analyze financial data more powerfully and make wise investment decisions.

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

It explains the basic concepts step-by-step and helps you build practical knowledge by creating various applications that run in real-world web environments. By completing this course, you will be ready to be deployed immediately as a professional programmer.

You can watch the opening and presentation sessions of Infecon 2024, a festival for growing IT professionals, again in video.

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!

The renewal version of Life Coding's first web development course, <WEB 1 - HTML & Internet>, is being released exclusively on Inflearn!

This is a lecture that captures the scene of a product design meetup held by former Toss Product Designer Kang Young-hwa and Inflearn! You can learn many insights and work know-how from a 10-year product designer!

This is a video of the meetup that took place at 7pm on January 31st.

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

Through the 13 speaking tips of Kang Won-guk, a former presidential speechwriter and bestselling author, you can learn how to express your thoughts maturely and authentically.

Conversation cheat code for an intimate atmosphere! Even 1 minute of chat is enough.

Feeling overwhelmed by writing? For those who sigh, unsure where to start when it's time to write, author Kang Won-guk, who honed the President's words and writings for 8 years, shares 'the core of true writing.' From self-introductions, reports, books, to blogs... We share expertise applicable to all your writing needs.

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.

When you speak well, your life changes. It changes the influence of your presence in your work and relationships. Start experiencing it now!

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

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

Coach Ho Kim (CEO of THE LAB h) is the go-to expert for CEOs and executives of global corporations, major domestic companies, and startups looking to enhance their decision-making and leadership communication. He has personally selected 26 communication tools and key phrases, designed for you to learn and practice in under 5 minutes each. With just 5 minutes a day for 4 weeks, you can improve your communication skills significantly. Imagine what could happen if you became just 25% better at communicating than you are now!

This course will cover the methods that enabled a developer from a bootcamp background to achieve hackathon wins, course creation, and junior mentoring within a single year.

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.

By taking this class, you will be able to give presentations without memorizing or feeling nervous. You will no longer fear public speaking; instead, you will achieve your goals by engaging in a dialogue with your audience.

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.

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.

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.

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?

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