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Backend Engineer (ID Authentication Platform)

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Full-time

Japanese?

Remote

Backend

Java

Spring

Develop, maintain, and operate a shared ID platform for financial services. Design and implement data-integration architecture with connected systems while providing technical leadership.

About this role

Develop, maintain, and operate the common WealthNavi ID platform used across the company’s services. The role supports the development of a customer data platform while maintaining high availability and data consistency.

Responsibilities include extending ID-platform functionality and designing and implementing data-integration architecture with connected systems. The engineer provides technical leadership across build, maintenance, and operational phases, working with the CTO and engineering leaders on an ID-platform initiative that supports multiple products.

Required experience includes three years of backend development using Java and the Spring framework. Preferred experience includes Auth0, AWS infrastructure operations, ECS, Aurora, DynamoDB, NoSQL, TypeScript, Node.js, React, Vue, Angular, modernization or re-architecture of existing systems, and requirements definition or specification documentation.

This is a full-time position based in Shinagawa, Tokyo. The company uses a flextime system with core hours of 10:00 to 16:00. Hybrid work combines working from home with at least three office days per week, subject to assignment exceptions.

Job details

Location
tokyo
Salary
6 - 11 million yen
Employment
Full-time
Japanese
Japanese
Remote
Remote
Posted
2026-07-23
Category
Software & IT

About WealthNavi

WealthNavi is a leading Japanese robo-advisor that automates diversified, long-term asset management for retail investors.

All WealthNavi jobs & company profile →

Company details

Size
Mid-size
Founded
2015
HQ
Tokyo, Japan
Employees
201–500
Industry
Fintech · Robo-advisor
Funding
Publicly traded

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This is an AI-generated summary of the employer's original posting — details can be incomplete, out of date or simply wrong. Always confirm everything on the official posting before applying.