Fast Retailing Careers

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application systems engineer

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Brand FAST RETAILINGFAST RETAILING
Location Ariake Headquarters: UNIQLO CITY, 1-6-7 Ariake, Koto-ku, Tokyo
Location may be changed to other locations as determined by the company, including overseas.
Update Apr, 23 2025

Job Description

Recruitment Background
Fast Retailing Group is currently promoting the "Ariake Project," a company-wide transformation to become a "Digital Consumer Retail Company" that transcends the traditional framework of a retailer. We are promoting the "Ariake Project," a company-wide reform to transform ourselves into a "Digital Consumer Retail Company. To achieve this, our Digital Business Transformation Service Department is leading the company-wide business transformation not only by promoting globalization, cloud computing, and mobility using the latest technologies, but also by promoting "aggressive IT," which is IT that generates profits. This position is for an in-house development engineer who will be responsible for everything from basic system design to actual construction, testing, service launch, and operation.

Department Overview
The mission of the Digital Business Transformation Service Department is to define the "ideal" form of business operations from the customer's perspective, and to lead and realize business transformation using the latest IT technology. In order to realize the "Ariake Project", we are accelerating the in-house development of core systems centered on supply chain as well as EC and store systems. In addition to project managers, a wide range of personnel are active in this field, including in-house development engineers, data scientists, and UI/UX designers. Among them, application engineers are at the core of system construction and operation, responsible for everything from basic system design to actual construction, testing, service launch, and operation.

■ Job Description
The development areas envisioned for in-house development engineers are as follows We understand the entire process of the clothing business in-house and are developing systems on an end-to-end basis.
We will suggest the position with the highest possibility of success when you proceed to the interview.

EC Backend Engineer
You will be involved in the design, development, and global deployment of EC platforms built on a microservices architecture.

DevOps Engineer
DevOps Engineers are responsible for orchestrating and operating containerized applications using Kubernetes, building and optimizing CI/CD pipelines, and promoting automation of code deployment and testing.

EC Front-end Engineer (Web)
You will be involved in the design, development, and global deployment of an EC front-end built on React/Redux.

Mobile Development Engineer (App)
Design, development, and global deployment of EC front-end for iOS and Android.

UI/UX Engineer (Web/App)
Design, development, and enhancement of UI/UX components built on React/Flutter.

Global Core System Development Engineer
You will be involved in the development and operation of advanced production, logistics, and delivery systems, mainly for supply chain, automated warehouses, etc. You will also be involved in the development and operation of SAP products (SAP Solution). You will also develop and operate core systems using SAP products (S/4 HANA Finance, CAR, PI, etc.).

Data Integration and ETL Development Engineer
You will be involved in the construction and expansion of global inter-company data integration and data collaboration systems implemented in the cloud.

Data Lake Development Engineer
The Data Lake Development Engineer will be responsible for the design and development of a data lake and data integration system to centrally manage the Fast Retailing Group's big data.

Fast Retailing Global Platform Development Engineer
You will be involved in the in-house development of batch processing infrastructure, data integration infrastructure, authentication and authorization infrastructure, etc., which are deployed company-wide as common services realized on the cloud, as well as the deployment of the developed products into business applications.

You will also have opportunities to travel overseas to countries where we do business and to development partner sites.
Job Description is subject to change within the scope of work related to each department of the headquarters due to departmental or organizational changes.

■Career Path
In addition to aiming to become a team manager or Dev-Lead by enhancing your expertise in a specific area, there are plenty of opportunities to move to other teams depending on your ability, aptitude, and motivation.

Qualifications

Required Experience, Skills and Abilities
All of the following are required
-5+ years of programming experience (Java, Javascript, Go, Python, etc.)
-5+ years of experience in basic design, detailed design, and testing of systems
-At least 3 years of experience in system operation
Positive, strong sense of responsibility, flexible in mindset, and willing to take problems seriously.
-Logical thinking. Ability to go beyond language to understand intent and background and lead to problem resolution.
A positive attitude and ability to work in a work environment where English is used on a daily basis.
Fluency in English is not required at this time. Fluency in English is not necessary at this point. We will provide an environment where you can learn and support you to become accustomed to English in the actual work.

■Welcome experience, skills and abilities
Experience in B2C API and batch development and operation
Experience in building and operating business systems in the fashion apparel industry and EC
Experience in cloud computing with major cloud providers such as AWS, GCP, etc.
Experience in leading a multinational team as an engineer
Experience in building commonly and universally used frameworks and libraries
Experience in building and operating large-scale web services
Experience in building and operating supply chains such as production and logistics
Experience in development and operation with external partners and system integrators
Knowledge of automation technologies such as continuous integration and continuous deployment
Experience and understanding of testing methodologies and quality control
Experience in agile development
Experience with distributed systems, highly concurrent systems, and highly available systems

■Reference (a sampling of the technical elements we use)
Programming languages : Java, Javascript, Go, Swift, Kotlin, Flutter
Cloud infrastructure : AWS, GCP, Docker (all container-based)
Database : PostgreSQL, Oracle, SAP
Cache : Redis
Development tools : Github, Teams, JIRA, Terraform, Jenkins
Operational Monitoring : Datadog, Grafana

Work Condition

Company name
Fast Retailing Corporation

Employment Type
Full-time employee (no fixed term, probationary period of 3 months)

Annual salary
Annual salary range: 6,560,000-2,124,000 yen (monthly salary: 410,000-1,180,000 yen)
Commuting allowance, overtime allowance, etc. (*All in accordance with our company's regulations)
Bonuses: Semiannual bonuses and year-end bonuses (payment and amount to be determined based on company performance and personnel evaluations)
Promotion: Twice a year (determined according to personnel evaluation)
(Whether or not and the amount will be decided based on the company's performance and personnel evaluation)

Working hours
Flextime system or management supervisor
Flextime system
Standard working hours per day ... 8 hours, break ... 1 hour
Core time ... 9:00 - 14:00
Flexible hours ... 6:00-9:00 and 14:00-20:00 with overtime


Supervisors
Based on the working hours of the department to which the employee belongs, and left to the employee's decision

Vacations and Vacations
2 days off per week (Saturdays, Sundays, and national holidays correspond to working days) Annual paid vacations, special/ congratulatory/condolence leave, childcare/nursing care leave system, etc.
In addition to paid vacations, special leave is granted in the first and second terms (the number of days granted varies depending on the employment status and the company to which the employee belongs).

Insurance
Social insurance (health insurance, employee pension, unemployment insurance, workers' accident compensation insurance, nursing care insurance)

Benefits
Employee stock ownership system, Mutual aid association system, Affiliated welfare programs, Employee discount system, Cafeteria, Exclusive shuttle bus (for commuting to the Ariake office), Defined contribution pension system

Other
We are actively recruiting mid-career workers for our group companies (Fast Retailing, UNIQLO, GU, etc.). We hope you will consider applying for this position after reviewing the following
-You may apply to multiple companies within the Fast Retailing Group at the same time. However, please note that even if you are selected for multiple companies, you will only be able to advance to the final round for one position at a time.
-We will consider your resume, interview evaluation, and other factors in the selection process and may offer you a position in a different Fast Retailing Group company.

Smoking is not permitted on the premises or indoors, and there are no smoking rooms or other smoking areas.

Location

Ariake Headquarters: UNIQLO CITY, 1-6-7 Ariake, Koto-ku, Tokyo
Location may be changed to other locations as determined by the company, including overseas.

OPEN MID-CAREER POSITIONS