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

Implementing auto-generated debugging documentation tool for the LINE beta app
Daniel2022-07-07
Daniel is an iOS Software Engineer at LINE
Introduction Any app that is a vital part of your service will eventually need debugging tools that can be used in its dev or alpha phase. These tools help the developers, QA, and leaders set up quality testing environments quickly during development. Having an overview allows us to reduce development and testing periods by a large margin. LINE has tools that provide hundreds of debugging features like this, and they’re still increasing day by day. It’s important to maintain document
- iOS
- Verda
- Jenkins
LINE as Apache Software Foundation's Silver sponsor
LINE Open Source Program Office TF2022-03-29
We create LINE's OSS policy and culture.
We at the Open Source Program Office TF are finding many ways of cultivating a culture where LINE engineers and open-source ecosystems come together in a close relationship. In this post, we would like to highlight one of those many efforts: How LINE became a Silver Sponsor for the Apache Software Foundation. About the Apache Software Foundation The Apache Software Foundation (ASF) is an American nonprofit organization founded in 1999 for the purpose of providing
- Open Source
- LINE Sponsorship
LINE Open Source Sprint 2021: Promoting open-source contribution
LINE Open Source Program Office TF2022-03-28
We create LINE's OSS policy and culture.
We at the Open Source Program Office TF are working diligently to close the distance between LINE's development culture and open-source development culture. With how many of LINE's developers are dependent on open-source software, many of them may have had one of the following thoughts at some point: "One of these days I should really try contributing to an open-source project..." Followed by another thought: "But I don't even know where I should start!" As we are well aware that many devel
- Open Source
- LINE Events
Unification of Group Chat on the LINE App
Takatoshi Nao / Kuang Fu2022-02-24
Takatoshi Nao and Kuang Fu are in charge of LINE messaging servers
LINE supports not only one-on-one but multi-user conversations as well. There were two types of multi-user conversations in LINE, Rooms and Groups, for different uses. Rooms were designed for temporary conversations in general. When creating a Room, you didn't need to give it a name. When inviting a friend into the Room, you didn't need to wait for their approval, they joined the conversation immediately after you pressed the Invite button. Everything was des
- Server-side
LINE has started to donate to Prettier - why companies should support OSS
Takuma HANATANI2022-02-15
My name is Hanatani (@potato4d). I am a member of the Front-End Dev.9 team at the Front-end Development Center (commonly called UIT). In this post, let me introduce the sponsorship activities of the front-end domain led by UIT. Circumstances of OSS sponsoring related to the front-end domain of LINE As of January 2022, LINE has been supporting the following OSS related to the front end. Vue.js Ongoing support since April 2021 $500-payment via the individual Patreon account of Eva
- UIT
The baseline for web development in 2022
Alan Dávalos2022-01-26
Front-end Engineer - @AlanGDavalos
TL;DR:The baseline for web development in 2022 is: low-spec Android devices in terms of performance, Safari from two years before in terms of Web Standards, and 4G in terms of networks. The web in general is not answering those needs properly, especially in terms of performance where factors such as an over-dependence on JavaScript are hindering our sites' performance. Hello there! I'm Alan Dávalos, a front-end engineer at LINE. You might have thought this article's titl
- frontend
- UIT
- JavaScript
- CSS
LINE DEVELOPER DAY 2021 retrospective report
Shoco Sato2021-12-27
This is Sato from the Developer Success team looking back at LINE DEVELOPER DAY 2021, which took place during November 10 to November 11 this year. I would like to thank every attendee and staff member who made the event possible. Due to COVID-19, this year's event was once again exclusively online. In this post, I'd like to take a look at some statistics relating to this year's event. 77 speakers from LINE and LINE group companies hosted 59 sessions over the course of two days for LINE DEVELO
- linedevday
About the LINE Anti Phishing promotion
Lee Myeongjae2021-12-01
He is a security engineer at LINE.
Hello, this is MJ from LINE's Security Team. The LINE Anti Phishing promotion begins today (December 1). For more details on the promotion, please check the official site. Promotion details The LINE Anti Phishing promotion asks participants to provide information on phishing sites that target services provided by LINE Corporation and partner companies Yahoo Japan Corporation, PayPay Corporation, and PayPay Bank Corporation. If the information provided is deemed beneficial, we will o
- Security
- LINE Anti Phishing
【Internship Report】Design and Implementation of FRRouting IS-IS SRv6 Extension
Naoyuki Tachibana2021-11-17
My name is Naoyuki Tachibana. I participated in the LINE internship joining the Network Development Team of the Verda Department for six weeks from September 6th. During my internship I developed an extension of the SRv6 function for the IS-IS daemon of FRR, which is the open-source routing platform LINE used in the data center. I will introduce the result in this article. Background LINE accommodates most of its many services in a private cloud called Verda, which uses SRv6 for network isola
- Verda
- line-intern-ja
【Internship Report】 Implementation of the IU Web search completion function
Ryoto Suzuki2021-11-05
Hello. My name is Ryoto Suzuki. I am a first-year master's student at the Graduate School of the University of Tokyo. I participated in the LINE internship of the engineer/working-type course for six weeks from August 23rd. During this internship, I belonged to the IU Dev Team of the Data Platform Department and was engaged in the improvement of the search function of the data catalog "IU Web," which was used in LINE. In this blog, I will introduce the details. Background About IU Web Refe

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