Full Stack Engineer (Frontend focused) - Commerce dept.

Tokyo
Partial Remote
Full-time
May 24, 2024

Department Overview

"Logistics" is one of the most essential platforms to evolve EC businesses in Rakuten Group.
We are currently working on the development of the following fulfillment related functions, including Warehouse Management System (WMS) development and its technical operations.

Logistics outsourcing service "Rakuten Super Logistics (RSL)" for merchants in Rakuten Ichiba
Online bookstore "Rakuten Books"
Online shopping site for daily necessities, health foods, pharmaceuticals, etc. "Rakuten 24" (Rakuten Direct)
Online Fashion site that officially handles popular apparel brands, "Rakuten Fashion"

Our department provides development, maintenance, process enhancement and new services development of "Warehouse Management System (WMS)", "Transportation Management System (TMS)", "Collaboration with Rakuten Ichiba" that supports the business models described above. The wide ranges of services we provide requires diversity in many areas, such as personality, knowledge and working environment.

Position:

Why We Hire

With the expansion of logistics services, the scope of systems and the number of business stakeholders have increased. Every day, people from the business side raise requests for the construction of new business systems and improvement of existing systems.

In order to meet these demands and expand our business, it is important to have engineers who find it worthwhile to develop systems that make users happy and willing to take on challenges. To provide a stable system, it is necessary to have talents who have a long-term perspective and will lead the next generation.

Position Details

Tasks differ depending on the group you are assigned to. Main tasks are listed below:

General development and operation of "Warehouse Management System (WMS)" used for warehouse operations
General development and operation of "WCS: Warehouse Control System" used for controlling machines and data linkage required for warehouse automation
General development and operation of "Transportation Management System (TMS)" that manages packages tracking information shipped from warehouses
Data linkage required for connecting warehouses and transportation systems, API development and operation in general
Depending on the skills and experience level, the candidate will be responsible for one of the following processes :
Product management in general, operation flow and screen design
Creation of system requirements, functional requirements, and architect requirements
Project planning and work planning. Calculation of personnel / development costs
Application construction and performance test design and implementation for high-load transactions
Basic design / infrastructure & middleware preparation / log collection management
Detailed design / implementation policy formulation and review
Release planning / implementation
System operation design / implementation / troubleshooting
External vendor management, stakeholder management
Design and development of business logic such as web applications, API Gateway, batch processing, etc.
Quality Assurance (QA) work, its design and automated development

Mandatory Qualifications:

Over 5 years of development experience as Full Stack Engineer
Over 2 years of Spring Framework development experience
Front end development experience using React, React Native and Android SDK
Development experience using Java ORM and No SQL including MyBatis and Redis
Being able to code and review with security in mind
Have the ability to read and analyze existing codes

Desired Qualifications:

Experience in using Jenkins, Rundeck, Kubernetes, Docker, Elastic Search, Kibana, Prometheus, SonarQube, Git
System development experience using Atlassian products such as JIRA and Confluence
Experience in using scripts (Ruby, Python or Bash) to automate server operations
Experience in system operation and maintenance using Linux
Experienced in developing and operating logistics systems
Experience in developing large-scale, large-capacity systems
Experience in system log analysis, and its performance monitoring/tuning.
Curiosity and challenging spirit for new services and technologies
Experience in developing and operating mission-critical systems
Computer science or related master's or doctoral degree
Agile development experience (Scrum, Kanban)
Knowledge and experience with microservices architecture
Interest and knowledge about DevOps

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About Rakuten

In Japanese, Rakuten stands for ‘optimism.’ It means we believe in the future. It’s an understanding that, with the right mind-set, we can make the future better by what we do today.

So we challenge ourselves to evolve, innovate and experiment, to create a better, brighter future for everyone.

Today, our 70+ businesses span e-commerce, digital content, communications and fintech, bringing the joy of discovery to almost 1.3 billion members across the world.