Blog - LINE ENGINEERING

As of October 1, 2023, LINE has been rebranded as LY Corporation. Visit the new blog of LY Corporation here: LY Corporation Tech Blog

How we developed and integrated 'share' module into LINE app - 2
Hyeonji Jo / Keonhong Lee2020-05-11
Responsible for LINE iOS development
Introduction In Part I, we defined the following six categories to share our experience, difficulties and solutions of the Share module development for LINE iOS and covered the first two categories. Integrating conventions on data models Integrating logic on sharing data Identifying a list of eligible services Providing customized/additional actions Generalizing exceptions Improving UI/UX In this Part II, we will cover the remaining four categories. We will continue ou
- iOS
- Data/AI
How we developed and integrated 'share' module into LINE app - 1
Hyeonji Jo / Keonhong Lee2020-05-11
Responsible for LINE iOS development
Hi, there! We are Hyeonji Jo and Keonhong Lee, responsible for LINE iOS client development. Here we'd like to share our experience during the development of the Share module development on LINE for iOS, focusing on the difficulties we faced and how we overcame them. Overview: Share module The LINE app offers various services such as Chats, Album, Notes, Timeline and Keep, allowing users to freely upload and view posts, images or videos. In addition, the LINE app supports
- iOS
- Data/AI
Let's Play with Reactive Streams on Armeria - Part 1
Ikhun Um2020-05-06
Ikhun is developing for open-source Armeria and Central Dogma at LINE Plus.
What is Reactive Streams? In this post, I'd like to introduce the basic concept of Reactive Streams, and how to use Reactive Streams with Armeria, the open-source asynchronous HTTP/2, RPC, REST client/server library. Let's begin by examining what Reactive Streams is. The official homepage of Reactive Streams defines it as follows. Reactive Streams is a standard for asynchronous data processing in a streaming fashion with non-blocking back pressure. Let's take a closer look at wh
How LINE messaging servers prepare for New Year's traffic
Lee Kyoung Chan / Han Seung Wook2020-04-14
Kyoung-Chan and Seung-Wook are in charge of LINE messaging servers
This post is the result of the combined efforts and work of many. We'd like to thank all of you who were involved in preparation for New Year's traffic. Getting started LINE shows a unique traffic pattern typical to online messaging apps. This happens at the midnight of December 31st when users start to share New Year's greetings via messaging apps, significantly increasing the traffic volume compared to the usual average. During this time of the year, the traffic volume growth shows v
- Server-side
LINE Developers site: From Middleman to VuePress
Marshall Gunnell & Roman Lossa2020-03-10
Marshall and Roman are a technical writer and lead developer both working on the LINE Developers site.
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 create better apps with fewer roadblocks and less frus
LINE Security Bug Bounty Program Report 2019
Robin Lunde2020-03-02
LINE Security Engineer. Red Team, Pen Testing and Bug Bounty enthusiast.
Hello! I am Robin Lunde from the LINE Security team.2019 was a very eventful year for the LINE Bug Bounty program.I would like to share with you some of the highlights and key takeaways from 2019, as well as our plans for 2020. Transition to HackerOne In late 2018 through early 2019, we began investigating the potential benefits of moving our program to HackerOne. After careful consideration, we concluded that we could likely improve the program and its results by moving to the Hack
Working as a New Graduate Engineer -A December to Remember-
Yuki Taguchi2020-02-17
Yuki is an engineer tasked with network development for Verda, LINE's private cloud platform. He investigates and tests data plane acceleration technologies.
Hi there! I'm Yuki Taguchi, and I joined LINE as anew graduate in April 2019. I currently work as a member of the Network DevelopmentTeam at our Verda Dept. Verda is a large-scale private cloud platform for LINEservices. Of the many tasks involving Verda, I'm in charge of developing itsnetwork components.At LINE, in addition to network management based onspecialized hardware equipment, we're also focusing on software-based approachessuch as XDP and DPDK. The Verda Network Development Team works
- Infrastructure
- newgrads
Monitoring a Spring Boot app in Kubernetes - What I learned from Devoxx Belgium 2019
Teo2019-12-23
Teodor is a server-side engineer at LINE.
This November, accompanied by 3 other members of the Shop team, I attended Devoxx Belgium 2019, held in Antwerp, Belgium - the birthplace of Devoxx and most populous city of Belgium. Devoxx is a developer community conference series started in 2001 which quickly grew to become one of the largest vendor-independent Java conferences in the world. Today, Devoxx conferences are also held in France, Poland, Ukraine, Morocco, and the UK. Devoxx Belgium took place in "Kinepolis," one of the larges
- Spring Boot
Learning to Work Better as a Team at LeSS Conference 2019
Ange Wei2019-12-17
LINE台灣工程師，負責資訊專案管理以及電子商務相關技術支援。
Introduction to LeSS Conference Large-Scale Scrum (LeSS), co-created by Craig Larman and Bas Vodde, is a framework for scaling lean and agile development to big product groups. The LeSS conference is a gathering of LeSS practitioners from different countries and companies, where they share their experiences on Scrum and LeSS adoption. For the fourth annual LeSS Conference hosted in Munich, there were two keynotes and three session tracks: Experience: Experience reports
Building Large Kubernetes Clusters
Lee Seung2019-12-03
Introduction LINE supports its developers so that they can fully focus on development. This was the background of implementing Nucleo, LINE's in-house Kubernetes-based service, taking care of infrastructure on behalf of developers. Nucleo currently services 800 apps with about 4,000 pods. The number of apps is growing by the minute. All the workloads are being managed with PMs (physical machines) and VMs (virtual machines), approximately 60 for the development region and 80 for the operat
- Kubernetes