アプリケーションエンジニア / Application Engineer

勤務地 有明本部:東京都江東区有明1丁目6-7 UNIQLO CITY
Ariake Office: UNIQLO CITY, 1-6-7 Ariake, Koto-ku, Tokyo 135-0063, Japan.
更新日 2023/05/18

職務内容 Job Description

*English follows Japanese
ファーストリテイリンググループは、従来の小売業という枠組みを超え、"情報製造小売業"(Digital Consumer Retail Company)へと業態を変革するため、全社改革”有明プロジェクト”を推進しています。その実現に向けて、我々デジタル業務改革サービス部は、最新のテクノロジーを活用したグローバル化、クラウド化、モバイル化の推進に留まらず、利益を創出するIT=“攻めのIT”として、全社の業務改革をリードしています。本ポジションでは、システムの基本設計から実際の構築、テストからサービスローンチ、運用までを担当頂く内製開発エンジニアを募集します。



主にサプライチェーン・自動倉庫などの生産・物流・配送高度化の開発および運用に携わって頂きます。またSAP製品(S/4 HANA Finance、CAR、PI etc)を活用した基幹システムの開発・運用を行っていただきます。





・ECフロントエンドエンジニア (Web)

品質管理の戦略実行およびFR デジタルエコシステムの品質問題解決に試験自動化を通じて携わっていただきます。


■Position Background
Fast Retailing co., ltd. will transform our business format into a “Digital Consumer Retail Company” to provide new services to our customers, regardless of the framework of retail business. The Digital Business Transformation Services Department, being at the very core of achieving our goals by not only promoting globalization, cloud migration, and mobilization using the leading-edge technology, is the proactive IT itself. We are looking for an in-house development engineer to work on our various systems to deliver the best services around the world.

■About “Digital Business Transformation Services Department”
The mission of the Digital Business Transformation Services Department is to define the "ideal" form of business from the customer's perspective and to lead and realize business innovation using the latest IT technologies. In order to realize the "Ariake Project", in addition to EC and store systems, in-house development of enterprise systems is also being promoted at an accelerated pace. In addition to project managers, we have a wide range of professionals including in-house engineers, data scientists, and UI/UX designers. Application engineers play a core role in system construction and operation, and are in charge of everything from basic system design to construction, testing, service launch, and operation.

The sub-categories are below. You will find many opportunities to play an active role with the scale expansion of the company.

・Enterprise Application Development Engineer
You will mainly engage in development and operation to achieve advanced production, logistics, and delivery for the supply chains and automated warehouses. In addition, you will develop and operate a core system that makes use of SAP products (S/4 HANA Finance, CAR, PI, etc.).

・Data Linkage/ETL Development Engineer
You will engage in building and expanding systems for global intercompany data integration/data linkage on the Cloud.

・Fast Retailing Common Global Infrastructure Development Engineer
You will engage in in-house development of batch processing infrastructure, data linkage infrastructure, and authentication/authorization infrastructure that have been deployed as the company-wide common service on the Cloud, as well as deployment of developed products into business applications.

・Data Lake Development Engineer
You will engage in designing and developing data lakes and data linkages that perform an integrated management of FAST RETAILING Group's big data.

・EC Backend Engineer
You will engage in designing, development, and global rollout of EC platforms built with microservice architecture.

・EC Frontend Engineer (Web)
You will engage in designing, development, and global rollout of EC Frontend built based on React/Redux.

■Career Development
By developing your expertise in a specific area, you can aim to become a Team Manager or Dev-Lead, and of course, there are plenty of opportunities to change your job to another position or transfer to another team, depending on your ability, aptitude, and motivation. In addition, you will have opportunities to work not only in Japan but also in overseas offices.

応募資格 Qualifications

・プログラミング経験 5年以上 (Java、Javascript、Go、Pythonなど)
・システムの基本設計・詳細設計・テストの経験 5年以上
・システムの運用経験 3年以上


・プログラミング言語 : Java, Javascript, Go, Swift, Kotlin
・クラウドインフラ : AWS, GCP、Docker(全てコンテナベースです)
・データベース : PostgreSQL, Oracle、SAP
・キャッシュ : Redis
・開発ツール関連 : Github、Slack、JIRA, Terraform、Jenkins
・運用監視関連 : Datadog, Grafana

■Minimum Qualifications
・Passion for IT technology, Sincere attitude toward problem solving, Positive attitude, a strong sense of responsibility and flexible thinking.
・Logical thinking. Ability to understand an intention and background, and to lead to solving problems regardless of language.
・Excellent communication skills in Japanese or English.
・At least 5 years of experience in programming (Java, JavaScript, Go, Python, etc.).
・At least 5 years of experience in system basic design, detailed design and testing.
・At least 3 years of experience in system operation.

■Preferred Qualifications
・Experience in development/operation of API, Batch, etc., for B2C.
・Experience in building and operating business systems in Fashion Apparel industry or EC,
・Experience in using the Cloud of main cloud providers such as AWS, GCP.
・Experience as a lead engineer in a multinational team.
・Experience in building frameworks, or libraries, commonly/generally used.
・Experience in building and operating a large-scale web service.
・Experience in building and operating a supply chain of production, logistics, etc.
・Experience in developing and operating together with an external partner and system integrator.
・Knowledge of automation technology such as continuous integration and continuous deployment.
・Experience and understanding of test methodologies and quality control.
・Experience in Agile development
・Experience in developing a distributed system, high-level parallel processing system, or high availability system.

■Reference Information (Excerpts of our using technical elements)
・Programming language : Java, JavaScript, Go, Swift, Kotlin
・Cloud infrastructure : AWS, GCP, Docker (All container-based)
・Database : PostgreSQL, Oracle, SAP
・Cache : Redis
・Development tool related : GitHub, Slack, JIRA, Terraform, Jenkins
・Operation monitoring related : Datadog, Grafana

待遇 Work Condition


正社員 (期間の定めなし、試用期間あり・3ヶ月)

・年収レンジ:624-2,062万円 (月給:39-114.6万円)
・諸手当:通勤手当、時間外勤務手当 など (※すべて当社規程による)
・賞与:半期賞与年2回、決算賞与 (会社の業績及び人事評価に応じて支給の有無、金額を決定)
・昇格年2回 (人事評価に応じて決定)

フレキシブルタイム…6:00〜9:00および14:00〜20:00 時間外労働あり


週休2日 (土日休、祝日は勤務日にあたる) 年次有給休暇、特別・慶弔休暇、育児・介護休業制度など

社会保険 (健康保険、厚生年金、雇用保険、労災保険、介護保険)

社員持株制度、共済会制度、提携福利厚生プログラム、社員割引制度、カフェテリア、専用シャトルバス (有明オフィス通勤時)、確定拠出年金制度


・受動喫煙対策 :施設の敷地内又は屋内を原則禁煙とし、喫煙専用室等は設けていません。


■Employment Type
Regular Employees, The term is not fixed (Probation for three months)

■Annual Income
JPY 6.24 million – 20.62 million (Monthly Basic Salary: JPY 390,000 - 1,146,000)
・Allowance: Commuting allowance, Overtime allowance depending on the job grade
・Bonus: Biannual Bonus (April and October), Profit Sharing Bonus (to be determined whether to be paid and amounts based on the company's results and the individual performance evaluations)
・Biannual promotion (to be determined in accordance with performance evaluations)
*To be determined based on the previous year's income and experience

■Work Time
Flextime System or Discretionary Labor System for Professional Work
・Flextime System
Standard Working Hours…8 hours, Break…1 hour
Core Time…9:00-14:00
Flexible Time…6:00-9:00 and 14:00-20:00
・Discretionary Labor System for Professional Work
Depends on the decision of each employee (based on the working hours of the department)

■Holiday and Paid Leave
2 days per week (Saturdays and Sundays are holidays, but national holidays are working days), Special leave**, Paid leave, Congratulation and Condolence leave
**8 days of Special leave are given every 6 months in addition to paid leave.

Social Insurance (Healthcare Insurance, Employee Pension, Employment Insurance, Workers' Accident Compensation Insurance, and Nursing Care Insurance)

Employee Shareholder Association, Mutual Aid Association, 401K, Affiliated Welfare Program, Employee Discount, Cafeteria, Private Shuttle Bus (for commuting to Ariake Office)

・We are proactively recruiting new talent in each company such as FAST RETAILING, UNIQLO, GU and so on.
We would appreciate it if you would check the following and consider applying for our position.
- You are able to apply to multiple companies within FAST RETAILING Group at the same time. Please note that only one position at a time can be selected for the final round, even if the selection process proceeds at multiple companies.
- We might contact you to discuss other positions within FAST RETAILING Group based on your resume and evaluation at the interviews.
・Second-hand smoking measures
In principle, smoking is not permitted on the premises or indoors, and there are no smoking rooms.

勤務地 Location

有明本部:東京都江東区有明1丁目6-7 UNIQLO CITY
Ariake Office: UNIQLO CITY, 1-6-7 Ariake, Koto-ku, Tokyo 135-0063, Japan.