Blog - LINE ENGINEERING

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Outcomes of the LINE Security Bug Bounty Program
Lee Myeongjae2017-02-07
He is a security engineer at LINE.
About the LINE Security Bug Bounty Program Hello, my name is Lee Myoung Jae (MJ) and I'm in charge of security at LINE. In this post I'm going to talk about the LINE Security Bug Bounty Program and the results of the program in 2016. The LINE Security Bug Bounty Program is an ongoing program to make the LINE app more secure for our users by letting external engineers submit bug (vulnerability) reports which we would then immediately fix. We first conducted a trial run of the program called the L
- Security
- Bug Bounty
LINE Haskell Boot Camp
Jun2017-01-24
I am a front-end developer at LINE. I'm interested in programming languages.
Greetings! I'm Jun, a frontend engineer at LINE. We had a five-day event for internal engineers called the "LINE Haskell Boot Camp" starting on October 24th, 2016 at the LINE Shibuya office. I will share what the event was about, and what Haskell is in this post. What is Haskell?Haskell is a modern application programming language that helps you write high-performance software with a great deal of flexibility, composability, and safety. With recent successful cases of adopting Haskell by compan
- haskell
Using LINE Notify to send stickers and upload images
LINE2016-11-29
LINE Dev
Hi, my name is Hasebe. I'm in charge of the development of LINE Notify.In a previous post, we introduced how you can use LINE Notify to send messages to LINE from the command-line. Today, I'm going to introduce two features newly implemented in the LINE Notify API. One is sending stickers and the other is uploading images.Sending stickersThe use case demonstrated in the previous post was sending a build result from Jenkins to LINE by using LINE Notify. In that use case, an image of Moon laughing
- LINE Notify
Automated Testing Using the LINE Ad SDK
LINE Engineering2016-11-23
LINE Engineering Blog official account
This post introduces how to run tests with the ad client module provided for the LINE Platform. The LINE ad client module runs on both mobile and the web. This post will focus on testing with a mobile client.LINE Ads Platform overviewThe structure of the LINE Platform is quite simple as shown below. Various types of protocols can be used for server-client communications. This post will focus on testing with the HTTP protocol.Test environment overviewThe LINE Ads Platform is structured on a serve
- test
LINE TODAY Service - True Agile development
Marco Chen & Rita Yang2016-11-13
Marco Chen: He is a director of the LINE Taiwan engineering office. He is interested in the softeware development process and system architecture in which he has 18 years of experience. Rita Yang: She is a backend engineer working at LINE to design and implement backend systems for LINE services.
IntroductionIn this blog post, I'd like to explain how the LINE TODAY service was developed using the Agile development method. LINE TODAY is a mobile news service that was released in Taiwan, Thailand, Indonesia, Myanmar, and the United States in early 2016. As of July 30, 2016, the service recorded nearly 30M daily PV (page views). In Japan, a service similar to LINE TODAY is available under the name of LINE NEWS.The LINE TODAY development project is a transnational project with users, custome
- Agile
- LINE TODAY
Panel discussion at GitHub Universe 2016
Inami Yasuhiro (Inamiy)2016-11-08
An iOS developer at LINE. A lover of functional programming.
Hello, my name is Inami (@inamiy), a member of the LINE development team. In this post, I'll be sharing my experience from being a part of the panel discussion at GitHub Universe 2016.About GitHub Universe 2016GitHub Universe 2016 took place during September 13-15 at Pier 70 in San Francisco.Inside the refurbished warehouse, now conference hall, gathered over 1500 developers, technology and business leaders. Beginning with a keynote presentation from GitHub cofounder and CEO Chris Wanstrath, ove
- Event Report
Using LINE Notify to send messages to LINE from the command-line
Watanabe Hirofumi2016-10-31
He is in charge of the development of LINE Notify.
ForewordHi, my name is Watanabe and I'm in charge of the development of LINE Notify. In this post, I'd like to share how developers can use LINE Notify to send messages to LINE straight from the command-line.Up until now sending system messages to LINE either required a Bot API Trial or Business Connect account. While both are improved by Messaging API and provide many great features, they require a high level of implementation.LINE Notify is an API that has a limited set of features, streamlini
- frontend
- LINE Notify
The architecture behind chatting on LINE LIVE
Hagiwara Go (Oklahomer)2016-10-25
This is Oklahomer from LINE Corp.
This is Oklahomer from LINE Corp. In this post, I'd like to explain the architecture behind the chatting function of LINE LIVE, a video streaming service.IntroductionLINE LIVE for iOS and Android has a chat feature that lets its users send comments in real-time while they are watching a live-streaming video. This not only lets users (or viewers in this case) communicate with each other, but it also lets the streamers connect with their viewers. Streamers can chat with their viewers back and fort
- LINE LIVE
LINE Developer Day 2016 recap
Momoki Kota2016-09-28
Developer Success Team
Hello, this is Momoki from the LINE Developer Day preparation committee.LINE Developer Day has always been a gathering place for sharing various technological experiences and global challenges and trends, and LINE Developer Day 2016 has just successfully come to a close.You've shown us a great amount of support by registering for the event, so much so that we could only invite a few that were selected from a draw.We regret that we could only invite about 1000 of you to the event but we thank you
- linedevday
Applying Kafka Streams for internal message delivery pipeline
Kawamura Yuto2016-08-18
He is an engineer working at LINE. He is in charge of developing and managing LINE's core data pipeline and storage which are built on top of some OSS technologies such as Apache Kafka
IntroductionHello, my name is Yuto Kawamura. I'm a LINE server engineer in charge of developing and operating LINE's core storage facilities such as HBase and Kafka.Since the latter half of last year, I've been working on a new project called IMF, which stands for Internal Message Flow (or Fund). IMF has two main goals:Develop a data pipeline which provides a unified way of delivering events between our systems.Replace talk-dispatcher, a component in the LINE server system responsible for backgr
- Kafka