[Team & Project] Introducing the Team Developing Web Front-end for LINE User Services

The Team & Project series introduces each department and project in the LINE development organization, providing detailed information on their roles, structures, technology stacks, future issues, and roadmaps. In this article, we’d like to introduce you to the team that is responsible for the web front-end of our user services. We spoke with Daisuke Shimizu, […]

LINE Securities: Page Stack revisited

2 years ago I posted an article about why and how we achieved Smooth page transition with Page Stack. We adopted this approach for LINE Securities, and pushed it a little further. In this article, I am going to show you what we have done to improve it, and also what problems we are currently facing. Header […]

LINE Developers site: From Middleman to VuePress

Hi, we’re Roman Lossa and Marshall Gunnell, a front-end developer and technical writer both working on the LINE Developers site here at LINE.  Our team’s mission statement is simple: Empower developers using the LINE Platform to accomplish more with less friction. In other words, our goal is to provide a platform that allows developers to be self-sufficient, confident, and able to quickly […]

LINE’s Web-based services and technology. Isn’t LINE an app developer?

Hello to all! I’m Seok Heo, a web service developer at LINE. I’d like to introduce you to LINE’s various web-based services and their architecture, technology stack, and development methodologies in this post. To simplify things, I’ve classified LINE’s web-based services into web services, hybrid web apps, messenger, and library/platform.

How and what front-end developers actually do at LINE?

Hello to the world! I’m Yeon-Eui Hong from Developer Relations Team. I’d like to take this opportunity to share the story of the LINE Developers Meetup held for the second time in Korea, on April 16, 2019. The theme of this meetup was “LINE front-end developers, what do they actually do and how?” I was proud to […]

VueConf TO 2018 Recap

VueConf TO is North America’s biggest Vue conference with attendees from all around the world, including Vue.js core team members, Nuxt.js, Vuetify.js and main library authors, along with expert speakers from the community. Vue is an open-source JavaScript framework for building user interfaces and single-page applications, which lower the barrier and complexity of frontend development. It’s one of the most popular framework nowadays […]

Synchronizing largely geographically distributed teams with Lint

It’s well known that as a team grows, the communication overhead increases geometrically until it takes up most of the time of the members. Static analysis can help us reduce the time cost, streamline the code review process, as well as to keep big teams synchronized. As you can imagine, in LINE we face challenging […]


Greetings! This is Jun and I’m a front-end developer at LINE. Recently the front-end development scene is booming with new technologies and it’s becoming difficult to catch up with all those new things. Personally I’m onto machine learning (ML). As part of today’s topic as “implementing machine learning in front-end web development”, let me share […]


Hello, this is Seisuke. I work at LINE Fukuoka as an engineer for LINE app for Android. Our office held a hackathon for LINERs in November 2018, at which I had a chance to try out TIC-80, a fantasy console, with LIFF. I wanted to share some of the lessons I learned through the event. […]