LINE Careers

We are looking for a talented and passionate Front-End Engineer with solid experience in developing and optimizing web applications. You will be joining the LINE TODAY development team, responsible for delivering high-quality user experiences across a wide range of services. If you are excited about creating world-class UIs and collaborating with global teams, we’d love to hear from you!

 

Responsibilities

• Participate in the full software development lifecycle: planning, design, implementation, testing, and maintenance.

• Build and maintain responsive web applications (SPA/MPA) across PC and mobile with a strong focus on performance, accessibility, and UX.

• Collaborate with designers to turn mockups into reusable and maintainable UI components and systems.

• Optimize frontend performance and ensure scalability and code quality.

• Explore and introduce new frontend technologies to improve development efficiency and product quality.

• Work with global teams in Japan and Korea to deliver localized or global features.

 

Basic Qualifications

• Bachelor’s degree in Computer Science or a related field.

• 3+ years of experience in frontend web development.

• Expert-level knowledge of HTML5, CSS3, JavaScript, and DOM manipulation.

• Proficient in building SPAs using modern frameworks (e.g., React, Vue, Angular).

• Experience building responsive and accessible web applications.

• Strong problem-solving skills and ability to work independently.

• Proficient in English and able to communicate effectively with global teams.

Preferred Qualifications

• Experience with CI/CD workflows, frontend tools (e.g., Babel, Eslint, Typescript, docker, k8s).

• Strong skills in unit tests, integration tests, and E2E tests

• Experience in mobile app or backend development is a plus.

• Contributions to OSS projects or involvement in developer communities.

• Knowledge of web performance and SEO optimization techniques.