Android/iOS Native Application Engineer - System Development Department, System Division, Rakuten Bank, Ltd.

Rakuten Group, Inc.

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Tokyo, Japan Until 9/14/2026 H-1B sponsor history First posted March 27, 2025 Last posted July 16, 2026
Job description

Job Description:

Department Overview

The System Division is an organization that can engage in all tasks related to its systems such as planning, development, operation and maintenance. The systems range from basic business systems to user applications for iPhone / Android. The systems are open architectures and we are also actively adopting open source technology. We take on the important role of IT that determines the success or failure of the banking business, which is a social infrastructure.

In such an environment, we are looking for new members who can mutually stimulate and grow together. 

Why We Hire 

We are looking for a Smartphone Native Application Engineer for Rakuten Bank due to business growth. If you have the right experience and excellent  skills, you may also be tasked as a Lead Engineer. 

  

Position Details 

  • Lead in the area of engineering from application design of new functions and services, development, testing to rollout

  • Understand business requirements, and deliver features with high quality and speed 

  • Lead to maintain and improve the service levels 

  • Smooth negotiation and coordination with internal and external venders

Mandatory Qualifications: 

  • Development experience of Android or iOS native apps (5 years or more) 

  • Development experience using various tools such as Android Studio, Gradle, Xcode and Git (3 years or more) 

  • Knowledge and experience with up-to-date front-end technologies 

  • Experience in being responsible to secure non-functional requirements such as performance, security, productivity 

  • Excellent logical thinking ability, flexibility and multitasking resistance 

  • Proactive and initiative 

  

Desired Qualifications: 

  • Coding experience for applications that communicate with the servers using Web APIs

  • Business application design experience in financial systems 

  • Development experience of services for end-user 

  • Development experience of Web applications 

  • Distributed development experience 

  • Agile development experience 

  • Development experience using CI (Continuous Integration) 

  • Lead engineer experience 

  • Curiosity for new services and technologies, challenging spirit

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

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Languages:

Japanese (Overall - 4 - Fluent)
About this role

Summary

Lead application design, development, testing, and rollout for native apps.

Job title

Android/iOS Native Application Engineer

Experience level

5+ years

Industry

finance

Location requirements

Tokyo, Japan; remote work not allowed

Salary

Not specified

Visa sponsorship

H-1B sponsor history

Management role

No

Skills & keywords

Required skills

android developmentios developmentandroid studiogradlexcodegitfront-end technologiesperformancesecurityproductivitylogical thinkingflexibilitymultitaskingproactiveinitiative

Preferred skills

web APIsbusiness application designend-user servicesweb applicationsdistributed developmentcilead engineercuriositychallenging spirit

Specializations

androidiosnative appsweb applicationsagile
Locations

Structured locations inferred from the posting.

Tokyo, Japan

On-site City