Development Engineer (Server-side)

  • Fukuoka
  • Remote OK
  • Full-time
  • December 23, 2023
Apply from Anywhere 👍
Relocation to Japan 👍
(Overseas visa sponsorship supported)
Language Requirements
Japanese: Not Required 👍
English: Business Level

Job Description

We will assign the project to you after inquiring about your experience as an engineer and future career preferences.

Server Development

  • You will be operating and performing API/web application development work for server-side features of LINE’s services.

Responsibilities Include

  • Design, develop, test, deploy, maintain and improve server-side software.
  • Contribute to architectural designs which can improve the efficiency and flexibility of our services.
  • Mentor and train team members on software design and coding standards.
  • Work closely with other teams on the development of end-user facing web applications.
  • Support the development of high quality code through active participation in code and design reviews.

Examples of Server Development Work

  • Development and operation of services which support the sale and delivery of paid content such as Stickers, Emoji and Themes.
  • Service development for LINE Family Apps (e.g. “LINE Creators Market”, “LINE Fortune”, “LINE Surveys”, “LINE Part Time Jobs”, “LINE Financial” etc.).

Main Technologies Utilized

  • Java, Kotlin, Perl, JavaScript, Thrift, Spring Framework, MySQL, MongoDB, Redis, Kafka, Elasticsearch, Prometheus, Grafana, etc.


Required Skills

  • Professional knowledge of at least one programming language.
  • 3+ years of experience in software development, including coding experience for web services, or equivalent experience in developing large scale B-to-C services
  • Basic knowledge in computer science (e.g. algorithm, data structure, asynchronous I/O, database, network).
  • Work experience using version control systems (VCS), dependency management systems, and continuous-integration systems (CI).
  • Communication ability in Japanese or English.
  • Whilst there are many English speakers at LINE successful applicants may be asked to attend a Japanese training course for at least 3 ~ 12 months after joining. The training is paid for by us, and is an excellent chance to pick up new language skills.
  • Motivation to learn Japanese.

Preferred Skills

  • Experience developing applications using Java 8+.
  • System architecture and design experience.
  • Basic knowledge of client side technologies such as HTML, CSS and JavaScript.
  • Experience using a Linux development environment.
  • Experience in the coaching, management and/or leadership of a technical team.
  • Open-source software development experience and/or participation in open source communities is also a plus.
  • Strong interest and ability to learn any new technical topic.

Working Location

  • LINE Fukuoka Corporation JRJP HAKATA Building, 12FL, 8-1 Hakataeki Chuogai, Hakata, Fukuoka, 812-0012, Japan


  • Fixed annual salary + Incentive (twice/year)
  • Other details to be discussed during interviews.

Salary Review

  • Twice/Year

※Skill test will be available in following languages:

  •  Java, Python, Kotlin and Perl

LINE Fukuoka's mission is to continue taking on new challenges and create new values (WOW) for the world.

By creating new values from Fukuoka, we aim to be a company with the imaginative powers to generate new paradigm shifts on a global scale that can help both individuals and organization grow at the same time.

LINE Fukuoka Engineering Department

LINE Fukuoka Engineering Department develops a wide variety of LINE family services such as LINE STORE, LINE Creators Market, LINE Sticker Maker, LINE Securities, and LINE part-time job.

An organization of about 100 people has 8 development teams dedicated to service development and 6 specialized teams with specific professional skills. There are engineers in various positions such as application development, infrastructure, SRE, and SET.

LINE Fukuoka has many programs that support employees grow, providing an environment where they can take on new challenges. We have an environment where the employees can work with peace of mind.

※ LINE Fukuoka Corporation (“LINE Fukuoka”) changed its trade name to LY Communications as of October 1, 2023.

View LINE Fukuoka's company page

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Development Engineer (Server-side) at LINE Fukuoka