Maintenance and management of a large-scale service, development of new projects, Participating in a video streaming service. Qualification requirements: Experience in frontend development of Web services (ideally 3 years or more), Experience in team development using version control tools such as Git, Deep knowledge of HTML/CSS/JavaScript, Experience in design, development, and operation using either React, TypeScript, or Vue, Experience in design, development, and operation with a focus on web frontend performance and security. We kindly request that you submit your curriculum vitae and resume in PDF format in Japanese.