Backend Engineer ~ 5M-8M, remote work OK, full social insurance


Job Overview

  • Employer Type Recruiter / Dispatch / Temp Agency
  • Industry Internet
  • Salary ¥5,000,000 - ¥8,000,000 / Year (月収41.6万円~66.6万円 ※みなし残業:45 時間/月)
  • English Level Business Level
  • Japanese Level Business Level
  • Restricted to Domestic Applicants? Japan only
  • Visa Sponsorship Yes

Job Requirements

  • At least 3 years of working experience with PHP
  • Experience in pull-like based team development using Git
  • Experience implementing UnitTest
  • Experience in designing and implementing WebAPI
  • Experience with Docker development
  • Japanese level as beginner business level or higher

Welcome Skills

  • Experience in reviewing code from the following perspectives: Code configuration with maintainability in mind, YAGNI awareness, DRY mindset
  • Interest in Golang
  • Experience in performance-aware implementation or performance tuning
  • Experience in middleware design
  • Experience in DB design
  • Experience with AWS/GCP/Azure
  • Experience in web application monitoring design
  • Experience in CI/CD implementation
  • Experience in designing and managing infrastructure using Terraform
  • Experience in development in accordance with general branching strategy
  • Experience in maintenance operations such as package version upgrades


■PHP を用いた 3 年以上の実務経験
■Git を用いたプルリクベースのチーム開発経験
■UnitTest の実装経験
■WebAPI の設計実装経験
■Docker を利用した開発経験


・YAGNI の意識
・DRY の意識
■Golang への興味がある方
■DB の設計経験
■AWS/GCP/Azure の利用経験
■Web アプリケーションの監視設計経験
■CI/CD の実装経験
■Terraform を用いたインフラの設計管理経験

Job Description

As a “Backend Engineer” in the Digital Partner Division, you will be responsible for overall system design/development for web service growth.

Examples of projects:

1.Order management and warehouse management tool enhancement development projects

  • Mostly backend (PHP) development with some frontend development (twig)
  • Functional design, development, testing, etc.

2. Web site for hometown tax payment site

  • Development of original CMS and API
  • Design (details), implementation, testing, etc.

Avex / Mitsubishi Electric / Trust Bank / Canon Marketing Japan / Uniqlo / Panasonic / Casio Computer / Dentsu Group / KADOKAWA / PERSOL CAREER / Delphis / Nikkei / Hakuhodo Group / LINE, and many others

デジタルパートナー事業部の”バックエンドエンジニアとして、Web サービスグロースに向けたシステム設計/開発業務全般をお願いいたします。





2.ふるさと納税サイトの Web サイト

・独自 CMS、API の開発業務


【主な取引先】※全体の 9 割が直案件 エイベックス / 三菱電機 /トラストバンク / キヤノンマーケティングジャパン / ユニクロ / パナソニック / カシオ計算機 /電通グループ / KADOKAWA / パーソルキャリア / デルフィス /日本経済新聞社 / 博報堂グループ / LINE 他、多数



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Company Information

Company Profile

Provide Opportunities to People Around the Globe Jellyfish Group’s main fields are language education and the recruitment of international talents. We offer comprehensive support from the Japanese language and overseas education in Asian countries, to... read more about JELLYFISH, INC
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Contact Us

Tokyo Office
C/O Global Village Media
1-7-20-B2 Yaesu, Chuo-ku, Tokyo
[email protected]