[2025 Trend Reflection]Backend Developer Employment Total Guide (back-end. mentoring experience-based)

Let's improve performance by utilizing the basic technology stack! After the improvement, we will check the changes through load testing and monitoring tools! We will also prepare for interviews on each topic!

This is a [Backend, Resume Enhancement] class prepared for job seekers and junior developers.

This is a [Backend, Resume Enhancement] class prepared for job seekers and junior developers.

We provide specific methods and curriculum to prepare for employment as a backend developer. This is a continuously updated backend roadmap lecture.

This is an introductory course that organizes the most frequently appearing database concepts in interviews and practical work with a flow-centered + diagram-centered approach. From basic SQL syntax to normalization, transactions, indexes, sharding/partitioning, and security, it structurally connects and explains complex DB concepts with real examples. At the end, an interview practice chapter is included, so you can confidently answer questions like "What is a transaction?" and "When do you use indexes?"

Through this lecture, students will be able to learn the basic and post-processing technology flow of semiconductors, and will be able to learn the content necessary to prepare for interviews at post-processing semiconductor companies.

A C++ course optimized for employment that prepares you for both practical work and interviews simultaneously. An AAA game developer helps ensure your employment with interview questions from major domestic game companies and practical cases collected over 10 years.

* In-house Service Planner & Product Manager Introduction Course * A course where you can build your portfolio while taking classes

This course is part of the 'Wrtn AI Literacy Voucher Program', a collaboration between Inflearn and Wrtn, and is available completely free for job seekers who are vulnerable to AI technology. Career expert Career D will teach you step-by-step how to apply AI in job hunting and career transitions. From basics to hands-on practice, it's designed so that even AI beginners can follow along easily without any burden!

If you're confident in development but your resume is bland, you need this course now. Using OOOO + practical revision examples, you will directly write resumes that technical interviewers will be curious about.

DevOps Interview Preparation: Master your interview preparation for Git, Docker, CI/CD, Terraform, Ansible, Kubernetes, and Monitoring.

When resumes look similar, 'differentiation' secures acceptance. For 6 weeks, learn 4 practical resume strategies directly from a backend practitioner.

We will reveal the actual data analysis portfolio of successful job seekers and the portfolio-related questions they received during interviews!

If you are preparing for a job change after 5 years or less, we will tell you all about career management methods along with successful cases of career branding that can increase your passing rate by more than 2 times with a strategy that differentiates you from others!

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

This course carefully selects only the essential Java core concepts you must know for practical work and interviews, covering everything from object-oriented programming to collections, multithreading, and modern Java all in one comprehensive package. Going beyond basic syntax, it explains advanced concepts that make the difference in interviews through diagrams and examples in an easy-to-understand way, organized with slides for quick review at a glance. If you want to systematically organize Java core concepts, start right now.

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.

For everyone starting work in PO or PM positions from existing roles such as design, non-development majors, product planners, etc., we share fundamental know-how.

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!

We will inform you of a career expansion roadmap to grow as a web planner in Korea and reach the top as a next-generation SI web planning PL.

This is a core CS (computer science) course that organizes essential data structure concepts required in both practical work and interviews, centered on intuitive flow and diagrams. It covers the full range from arrays and lists to trees, graphs, and heaps, carefully selecting only the core concepts. Rather than simple enumeration, it's designed with a connected structure so that even beginners can quickly understand the overall context. The slides are organized in a study note format suitable for review, and are especially recommended for those who want a final check before interviews or to solidify their foundational concepts.

What does a portfolio that demonstrates problem-solving skills look like? Are you curious about ideas for creating a portfolio easily and quickly without much effort? You can learn more through real-life examples such as Younghwa's portfolio and student case studies.