Tech Lead – System Department, Rakuten Wallet, Inc.

Website Rakuten

Collaborate, Innovate, Empower

About the job
Job Description

Business Overview

Rakuten Wallet Inc. is a crypto asset (virtual currency) exchange company of Rakuten Group, and started providing crypto asset spot trading service in August 2019, and in December of the same year, started a service that allows you to exchange crypto assets from “Rakuten Points”. In March 2020, we started a margin trading service. You can also invest by exchanging “Rakuten points” accumulated using Rakuten services for crypto assets. It is a popular service because even people who are reluctant to invest in cash can easily start trading crypto assets. Furthermore, you can easily charge the electronic money “Rakuten Cash” with the crypto assets (Bitcoin, Ethereum, Bitcoin Cash) of physical transactions operated by “Rakuten Wallet” and “Rakuten Pay (app payment)” in the city. And “Rakuten Point Card” member stores can now be used.

Department Overview

The System Department properly and efficiently promotes the planning, development, and enrollment of our system, and carries out the system operation and maintenance work necessary to maintain the safety, reliability, and integrity of our system.

Why We Hire

To drive the business growth of the Rakuten wallet, I will lead the project as the project manager for new developments, overseeing the wallet’s account management system.

I will leverage my in-depth expertise in large-scale development and actively participate in software development as a team leader.

In the future, I will also take on the role of overseeing members of development hubs in Japan, Ireland, Vietnam, China, and India.

This position is expected to play a crucial role in the wallet’s business growth and is positioned directly under the executives. By utilizing engineering expertise and leadership abilities, I will collaborate with cross-border teams and work towards developing an innovative account management system.

Additionally, I will assume the responsibility of leading a multinational development team in the future. If you are interested, please feel free to apply.

Position Details

・As a Technical Lead engaged in software development projects and/or system improvements, I am involved in the entire SDLC (Software Development Life Cycle) of the product.

・I provide architecture-level and code-level feedback to engineers and offer technical guidance.

・I collaborate with engineers, product managers, scrum masters, and business members to develop the expected functionalities.

・I build trust in delivering projects rapidly through automated testing, continuous integration, monitoring, and analysis.

・I take the lead in making technical decisions, driving technical initiatives, and overseeing system operations.

Work Environment

It consists of 5 employees of our company and 10 outsourcing members. In order to carry out the system department mission, we are collaborating with domestic and overseas vendors (about 100 people).

All members of the system department have experience in system planning, development, operation, and maintenance. Cloud

Mandatory Qualifications


・Practical experience in designing and developing large-scale web applications using Java.

・Knowledge and experience in designing RESTful APIs.

・Experience in collaborating with various teams to implement end-to-end quality assurance.

・Experience in performance testing and optimizing applications.

・Experience in system operations using Linux.


・ Requirements definition, outline / detailed design, development, integration / comprehensive test

Desired Qualifications

It’s better if you have a following skill.


・Infrastructure-related knowledge (network, cloud, etc.)

・ Experience in information security work

・ Work experience in the financial industry

・ Basic knowledge of crypto assets

・ Development in object-oriented languages such as Java (more than 3 years)

・ Development in scripting languages such as VBA and Python (more than 1 year)

Additional information on Location

Rakuten Crimson House Aoyama

Additional Information On Secondment

Secondment to Rakuten Wallet, Inc. while being employed by Rakuten Group, Inc.

English Ver.

※For more information, please refer to the links below:

▼About Company

・History of the Rakuten Brand

・Rakuten Group as a Global Company

・Giving Back to Society

▼ Latest Company News

・Press Release

・Investor Relations

▼ Video Links

・Other Rakuten Group Activities

▼ Conditions of Employment

・Rakuten Group Employee Benefits

#engineer #fintechgroup


English (Overall – 2 – Intermediate), Japanese (Overall – 4 – Fluent)

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