About LINE Corp.

Shinjuku-ku, Tokyo

At 83 million domestic users, or 65% of the population, LINE is Japan's most popular messaging application. It is also popular throughout Asia, boasting approximately 186 million users globally.

Key benefits

  • Build reliable systems at scale
  • Room to grow
  • Healthy work/life balance

About the position

The Front-end Development Center is dedicated to web front-end development at LINE. It implements most of LINE’s web front-end features, including the development of web-based features embedded in the LINE app, web applications of LINE family services, and the JavaScript SDK.

You will be developing web applications in collaboration with planners, designers, and server-side engineers, providing your perspectives and recommendations as a web development specialist to enhance the user experience of our services. You will also be improving the performance and UX of our global services by considering the situation of relevant markets, including their mobile network connectivity.

Furthermore, you and other front-end developers will lead the development of the JavaScript SDK, which is linked to the LINE app, to further improve the development environment along with developers of native client applications.

Example of services you will be developing

  • LINE NEWS, LINE LIVE, LINE Part Time Jobs, LINE STORE, LINE GIFT, LINE POINT CLUB, LINESchedule, and other family services
  • Management consoles for businesses such as the LINE Official Account Manager
  • JavaScript SDK and frameworks used internally for building web applications

Technologies used

  • TypeScript, JavaScript, HTML, Sass, CSS
  • React, Vue.js, and more
  • CircleCI
  • JIRA
  • GitHub Enterprise

See our development blog for examples of the kind of things we work on..

Required Experience/Skills

  • Professional knowledge of HTML, CSS, and JavaScript
  • Experience in developing web applications for PCs and smartphones
  • Knowledge of accessibility, usability, and security
  • Business level Japanese (Interviews and daily work for this position will be conducted in Japanese)

Preferred Experience/Skills

  • Experience in developing systems for advertising business, focusing on usability
  • Experience in developing native applications for iOS, Android, or other operating system
  • Experience using server-side language such as Java and Perl
  • Have contributed to an OSS or have been active in OSS communities
  • Eager to explore new technologies and share knowledge

Meet LINE Corp.'s Developers

Joining LINE as a QA Engineer

with Swapnali Koli

Swapnali had been working at a Japanese company as a QA Engineer. Looking for a new challenge, she joined LINE, where she’s led their private cloud API automation project.

Read her story...

Joining LINE from overseas

with Li Liu

Li was working in Toronto when he was recruited to join LINE as a principal engineer. He tells his story of relocating to Japan.

Read his story...

Growing a career in Japan

with Matthew Bailey

Starting as a server side engineer at LINE, Matt is now a software development manager. He shares his experiences of finding a job in Japan, and gives tips on how you can be successful at landing one too.

Read his story...

Other Jobs at LINE Corp.

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About LINE Corp.

Shinjuku-ku, Tokyo

At 83 million domestic users, or 65% of the population, LINE is Japan's most popular messaging application. It is also popular throughout Asia, boasting approximately 186 million users globally.

Key benefits

  • Build reliable systems at scale
  • Room to grow
  • Healthy work/life balance

Other Jobs at LINE Corp.

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