A 해커 (Programmer) is a person skilled in writing and understanding computer code. They create software applications, websites, and systems that help solve problems or improve efficiency. 해커 can work in various fields, including cybersecurity, web development, and data analysis. In addition to coding, 해커 often engage in troubleshooting and debugging to ensure their programs run smoothly. They may also collaborate with other professionals, such as software engineers and data scientists, to develop innovative solutions. The skills of a 해커 are essential in today's technology-driven world.