Team Building and Problem Solving Guide for Successful Side Projects (w. Theo)

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 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 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 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.

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.

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!

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.

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.

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.😀

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.

From the basics of the Spring Framework to practical usage! Become a developer who can be deployed and actively engaged in the field right away through thorough and comprehensive explanations and examples.

This is an introductory web development course for those who are starting programming for the first time. You will learn HTML, CSS, and Javascript and create an Instagram posting card to learn the basic content that is essential for creating a web page.

The fact that you can analyze data more easily and effectively with Python Pandas instead of Excel! Learn the basic functions of the Pandas library and how to use it in practice through financial data analysis.

This is a live video of Jung Heung-soo from Heung Button, which was broadcasted on January 23 as part of the <2025 Know Yourself Know Your Enemy Relay Live Campaign>.

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.

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

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

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 lecture explains the essential IT knowledge that non-majors need to know in a way that is easy to understand and at a level that is absolutely necessary for practical use, and it is designed to help you establish the basics of IT practice and communicate easily with developers. It also includes an appendix with explanations of terms focused on IT practice, making it a bible for non-major IT beginners.

API, framework, Git... We've collected difficult-to-understand development terms and explained them in an easy-to-understand way with examples!

This lecture covers how to use nine notes to improve your work efficiency and strategic planning skills.

This lecture easily explains basic IT knowledge that non-developers (planners, designers, etc.) need to know to communicate with developers.

Are you always anxious that you are too busy alone but are not doing your job properly? A 9-year designer who has worked at Nekarasen after working at 4 startups will share practical strategies for growing without a mentor, based on his experience.

This course is a membership subscription concept, so once you purchase it, you can continue to take additional classes😃

Seo Ja-young, Kiki, and Kang Young-hwa talk about self-growth methods and soft skills based on cases they experienced in their careers.

Developers, can you really succeed just by developing your development skills? Build your own brand that differentiates you from the crowd of developers along with your development skills, add soft skills, and be active in the development ecosystem.

Have you ever wondered why you can't understand developers' conversations even though your development knowledge is increasing? Even if you don't have specific development knowledge, there are many cases where you need to know the terms developers use to understand the exact meaning. Quickly learn developer terms!

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!

In the age of information overload, 'communicating easily' is now the real competitive advantage over 'knowing a lot.' This course goes beyond simply polishing your writing—it develops your 'communication design ability' to identify the core message in a flood of information and deliver it at the right level for your audience. It consists of a compact curriculum of 7 lessons totaling 56 minutes. Say goodbye to boring lectures filled with theory! Through training centered on real-world examples (Before/After), you'll transform into an 'information delivery expert' who communicates best within your organization.

"History repeats itself, strategy evolves. Everything about business improvisation and strategy formulation learned through 300 decisive moments."