iOS Engineer – Working in Japan at LINE Fukuoka (Fukuoka, Japan)

Please read before applying.

The health and safety of our employees and candidates is very important to us.

Due to the coronavirus (COVID-19) pandemic we are currently facing difficulties applying for working visas and traveling into Japan is restricted.
Under these circumstances, please understand that for candidates who receive an offer and are living outside of Japan or do not own a permit to work in Japan,
there may be delays with entry into Japan and your subsequent commencement date.
Please apply only if you agree to the above condition.

*Please apply to only one position at a time.

LINE is a diverse company with some of the best engineers from around the world, approximately 30% of our developers come from outside of Japan. We are looking for experienced engineers with an interest in customer focused development who wish to make an impact on our tens of millions of daily users!

Job Description:

You will be involved with the development of, and operational work for, the LINE client and LINE Family App clients.
We will assign the project to you after inquiring about your experience as an engineer and future career preferences.

Examples of work

  • Development of sticker/theme/emoji features in the LINE app.
  • Development of LINE Family Apps (e.g. “LINE Sticker Maker”).

Specifics of Job Description

  • Collaborating with the Planning and Design teams to bring ideas to life (e.g. through coding, creating unit tests, etc.).
  • Performing app profiling and improving performance.
  • Improving and maintaining a CI environment that supports stable development.
  • Improving code quality through code reviews.
  • UI/UX improvement.

Technology we use
Swift, Objective-C, Fastlane, XcodeGen, Bazel, Thrift, etc.

No Language Skills Required

This position requires no prior Japanese language skills. We have a robust English support team and there are many English-speaking employees. Successful applicants without Japanese language skills will be required to attend a Japanese language course for at least the first three months to one year after joining LINE Fukuoka. The language course is sponsored by LINE and is an excellent opportunity to acquire the language.

Required Skills

  • Experienced in iOS native application development using Swift.
  • Experience working in iOS native applications (3+ years).
  • Basic knowledge in computer science (e.g. algorithm, data structure, asynchronous I/O, network).
  • Work experience using version control systems (VCS), dependency management systems, and continuous-integration systems (CI).
  • Communication ability in Japanese or English.
  • Motivation to learn Japanese.

Preferred Skills

  • Experienced in iOS native application development using Objective-C.

  • Web/Native hybrid applications.
  • UI/UX design and implementation (e.g. custom views and interactions).
  • 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 Hours:
Discretionary and flexible according to ability and speed of work; if projects are completed on time there is no need to work for extended periods of time.


Minimum salary starting from 6 million Japanese yen per annum (salary based on experience and ability).

*Other details to be discussed during the interview process.


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