■ Job Title

Data Engineer

For someone living in Japan!

■ Company Overview

A tech-driven company focusing on transforming financial services through innovative solutions. They provide numerous services that help simplify financial management for both individuals and businesses.

■ Your Role and Responsibilities 

Design, develop, and maintain cross-functional data infrastructure across the company

Manage and optimize data pipelines and integration workflows

Consolidate data from internal products, services, and CRM platforms into a centralized data lake

Distribute data from the data lake to analytics and machine learning platforms in an efficient and secure manner

Build and support infrastructure for large-scale data analysis

Monitor and improve data warehouse (DWH) performance

Ensure high standards of data quality, reliability, and governance

Japanese: Not required, but advantageous

English: Fluent in both spoken and written communication

■ Experience and Qualifications

3+ years of hands-on experience as a Data Engineer

Strong proficiency in Python and SQL

Practical experience in developing and maintaining systems on AWS or Google Cloud

Technology Stack

Languages: Python, SQL
Cloud Platforms: AWS, Google Cloud, Azure
ETL Tools: AWS DMS, AWS Glue, Cloud Composer, Apache Airflow, Trocco, Databricks, Fivetran
DWH/Analytics: BigQuery, Databricks

Tooling
Infrastructure as Code: Terraform

CI/CD: GitHub Actions

Monitoring & Logging: Datadog, Cloud Monitoring, CloudWatch

Project Management: JIRA Cloud, Miro

Documentation: Kibela, Google Workspace

■ Additional Preferred Qualifications

Experience building and managing data lakes and data warehouse infrastructure

Background in web application development

Experience working with distributed data processing systems

Familiarity with database performance optimization and tuning

Background in AI development and/or experience using AI tools to enhance data engineering workflows

■ Good Reasons to Join

- Engage with advanced financial technologies.
- Lead impactful projects in a dynamic and innovative environment.
- Work within a collaborative, international team setting

■Work Style

Hybrid work, 2-3 days to the office.

■Work Location

Tokyo

■Salary

Negotiable

■ Job Title

Senior Frontend Engineer (React.js+Typescript)

For someone living in Japan!

■ Company Overview

A tech-driven company focusing on transforming financial services through innovative solutions. They provide numerous services that help simplify financial management for both individuals and businesses.

■ Your Role and Responsibilities 

Design and implement reporting features in our cloud-based accounting solution for mid-sized enterprises using React.js and TypeScript

Develop a highly customizable frontend for reporting tools

Write clean, efficient, scalable, and well-tested code that’s easy to maintain

Provide technical leadership and guidance to team members

Collaborate cross-functionally with Product Managers, Designers, and other departments to define specifications and incorporate customer feedback

Define system requirements encompassing both functional and non-functional aspects

Work closely with team members and stakeholders including the Engineering Manager, Product Manager, and Designers

Deploy software to production and ensure its stable operation

Monitor production systems and handle any incidents swiftly, including system recovery

Actively share technical knowledge and best practices within the team and broader engineering community

Contribute to enhancing development processes, communication, and team dynamics

Japanese: Not required, but advantageous

English: Fluent in both spoken and written communication

■ Experience and Qualifications

Bachelor’s degree in Computer Science, Engineering, or a related technical discipline

7+ years of hands-on software development experience

Proven experience leading product development using React.js and TypeScript

Familiarity with Agile or Scrum development environments

Experience in designing software architecture

Strong team collaboration skills

Excellent communication and interpersonal skills

Proactive, solution-focused mindset with a strong drive for results

Able to commute to our Tokyo office at least twice a week

Technology Stack

Backend: Ruby, Ruby on Rails, Golang

Frontend: TypeScript, Next.js

Infrastructure: AWS, Terraform, Kubernetes, Kafka

Repositories: GitHub

Project Management: Asana, Jira

Monitoring: Datadog, Rollbar

CI/CD: CircleCI, ArgoCD, GitHub Actions

Analytics: BigQuery, Google Analytics

Communication Tools: Zoom, Slack, Figma, Miro

■ Additional Preferred Qualifications

Experience developing and operating financial domain applications (e.g., accounting, reporting)

Familiarity with Next.js

Knowledge of backend technologies such as Go

Experience working with CI/CD pipelines

Proficiency with AWS or other cloud service platforms

Background in system architecture design and infrastructure setup

Proven success in developing and releasing production-ready software

Interest in learning Japanese

Experience in AI development or applying AI tools to optimize development workflows

■ Good Reasons to Join

- Engage with advanced financial technologies.
- Lead impactful projects in a dynamic and innovative environment.
- Work within a collaborative, international team setting

■Work Style

Hybrid work, 2-3 days to the office.

■Work Location

Tokyo

■Salary

Negotiable

■ Job Title

Engineering Manager

For someone living in Japan!

■ Company Overview

A tech-driven company focusing on transforming financial services through innovative solutions. They provide numerous services that help simplify financial management for both individuals and businesses.

■ Your Role and Responsibilities 

Lead and oversee a global engineering team, fostering a structure that consistently delivers high-quality software solutions.

Drive long-term organizational growth by enhancing the productivity and development of the engineering division, with a forward-looking perspective of 3–5 years.

Identify and proactively resolve both technical and organizational challenges that arise from platform and team expansion.

Take ownership of project management for high-priority initiatives at the department or divisional level.

Align development roadmaps and organizational planning with a deep understanding of company-wide strategy and the needs of platform-utilizing products.

Partner with fellow managers to address cross-functional and cross-company issues.

Perform people management tasks such as regular 1-on-1 meetings, monthly check-ins, and biannual performance evaluations.

Nurture and develop future leaders to ensure the sustainable growth of the company and its operations.

Execute all of the above responsibilities effectively using English.

■ Experience and Qualifications

Experience working in a web application development environment

Proven track record of managing teams of 5 or more engineers, including mentoring and performance evaluations

Involvement in or responsibility for making major technical decisions within a team

Strong development background and design experience to support and advocate for engineers’ needs

Project leadership experience involving multiple stakeholders, teams of 10+, and durations of six months or more

Experience collaborating with non-technical stakeholders such as product managers and sales teams

Participation in engineer recruitment activities

Business-level English proficiency (see requirements below)

Motivation to learn Japanese

Technology Stack

Backend: Ruby, Ruby on Rails, Golang

Frontend: TypeScript, Next.js

Infrastructure: AWS, Terraform, Kubernetes, Kafka

Repositories: GitHub

Project Management: Asana, Jira

Monitoring: Datadog, Rollbar

CI/CD: CircleCI, ArgoCD, GitHub Actions

Analytics: BigQuery, Google Analytics

Communication Tools: Zoom, Slack, Figma, Miro

■ Additional Preferred Qualifications

Experience building and maintaining developer platforms

Familiarity with web application development using Ruby on Rails or Golang

Knowledge of systems leveraging AWS S3 at scale

Understanding of file system permission architecture

Leadership experience with multinational engineering teams

Business-level proficiency in Japanese

Experience in AI development or applying AI tools to improve engineering workflows

■ Good Reasons to Join

- Engage with advanced financial technologies.
- Lead impactful projects in a dynamic and innovative environment.
- Work within a collaborative, international team setting

■Work Style

Hybrid work, 2-3 days to the office.

■Work Location

Tokyo

■Salary

Negotiable

■ Job Title

Senior Mobile Engineer (IOS)

For someone living in Japan!

■ Company Overview

A tech-driven company focusing on transforming financial services through innovative solutions. They provide numerous services that help simplify financial management for both individuals and businesses.

■ Your Role and Responsibilities 

Develop and maintain iOS applications for end users

Build new features and enhance existing ones in alignment with product strategies

Manage app submission, review, and deployment to the App Store

Monitor app stability and handle operational issues proactively

Continuously improve codebase quality and reinforce the technical foundation

Conduct regular refactoring for maintainability and performance

Review and refine application architecture to support scalability and best practices

Stay updated with changes in iOS-related technologies and frameworks and apply them as needed

Japanese: Not mandatory for work, but willingness to learn Japanese is desired.

English: Business Level (TOEIC 700+)

■ Experience and Qualifications

5+ years of hands-on experience in native iOS app development

Strong experience in designing app architecture for iOS platforms

Proven ability to work collaboratively with cross-functional teams, including product managers (PdMs), designers, and backend developers

Capability to keep up with platform updates from Apple and Google and contribute to stable, up-to-date operations

Technology Stack

Programming Languages
iOS: Swift, Objective-C

Flutter: Dart

Libraries & Frameworks
iOS: UIKit, StoreKit, OpenAPI, RxSwift

Flutter: Add-to-App, Riverpod, freezed, OpenAPI Generator

■ Additional Preferred Qualifications

Experience developing cross-platform applications using Flutter

Familiarity with SwiftUI or other declarative UI frameworks for iOS

Experience collaborating with PdMs and designers using tools such as Figma

Experience in publishing apps to the App Store and managing post-release processes

Willingness or experience in external communication, such as presenting at tech events or writing technical content

Experience building and maintaining iOS applications with a large active user base

Solid understanding of testing principles and practical application of unit tests, integration tests, or E2E testing

Experience in AI-related development or applying AI tools to enhance mobile development workflows

■ Good Reasons to Join

- Engage with advanced financial technologies.
- Lead impactful projects in a dynamic and innovative environment.
- Work within a collaborative, international team setting

■Work Style

Hybrid work, 2-3 days to the office.

■Work Location

Tokyo

■Salary

Negotiable

■ Job Title

Senior Mobile Engineer (Android)

For someone living in Japan!

■ Company Overview

A tech-driven company focusing on transforming financial services through innovative solutions. They provide numerous services that help simplify financial management for both individuals and businesses.

■ Your Role and Responsibilities 

Design, develop, and maintain Android applications for consumer use

Implement new features and enhance existing ones based on product strategy

Manage the release process, including submission and publishing to the Google Play Store

Monitor application performance and ensure stable operation, including timely issue resolution

Continuously improve code quality and maintain a strong technical foundation

Conduct ongoing code refactoring for maintainability and performance

Evaluate and enhance application architecture for scalability and efficiency

Stay current with evolving technologies, frameworks, and best practices, and apply them where appropriate

Japanese: Not mandatory for work, but willingness to learn Japanese is desired.

English: Business Level (TOEIC 700+)

■ Experience and Qualifications

5+ years of professional experience in Android app development as a core responsibility

Proven leadership experience in managing or guiding a development team

Strong background in designing scalable Android app architectures

Demonstrated ability to collaborate effectively with cross-functional roles, including product managers, designers, and backend engineers

Competence in tracking and adapting to platform updates from Google and Apple to ensure smooth application performance

Technology Stack

Android: Java, Kotlin

Flutter: Dart

Libraries & Frameworks
Android: Jetpack, Dagger Hilt, PBL, Kotlin Coroutines, RxJava

Flutter: Add-to-app, Riverpod, freezed, OpenAPI Generator

■ Additional Preferred Qualifications

Experience building cross-platform applications using Flutter

Familiarity with declarative UI development in Android, such as Jetpack Compose

Comfort working with UI/UX tools like Figma, and participating in UI/UX discussions with designers and product managers

Hands-on experience with publishing Android apps to the Google Play Store and managing post-release operations

Interest or participation in developer advocacy, such as technical speaking or writing articles

Experience developing and maintaining Android applications with a large-scale user base

Strong understanding of testing strategies, including unit tests and end-to-end (E2E) testing, and their practical applications

Background in AI development or use of AI-based tools to streamline or enhance the mobile development process

■ Good Reasons to Join

- Engage with advanced financial technologies.
- Lead impactful projects in a dynamic and innovative environment.
- Work within a collaborative, international team setting

■Work Style

Hybrid work, 2-3 days to the office.

■Work Location

Tokyo

■Salary

Negotiable

■ Job Title

Backend Engineer Leader

For someone living in Japan!

■ Company Overview

A tech-driven company focusing on transforming financial services through innovative solutions. They provide numerous services that help simplify financial management for both individuals and businesses.

■ Your Role and Responsibilities 

Develop HR solution products using Ruby on Rails or Kotlin. (Most products are currently in Ruby on Rails; Kotlin migration is underway.)

Design and implement detailed specifications for new product features.

Refactor and enhance existing codebases and test coverage.

Ensure high product quality through thorough code reviews and testing.

Identify development issues, suggest improvements, and implement solutions.

Plan and design cross-product system architecture.

■ Experience and Qualifications

Bachelor’s degree in Computer Science, Engineering, or a related technical discipline.

5+ years of hands-on experience in designing, developing, and maintaining web applications.

Proven ability to mentor and support junior or peer engineers, fostering growth and technical development.

Active participation in team-wide quality initiatives such as code reviews and test implementation.

Strong skills in independently analyzing and refactoring systems using design patterns and addressing code anti-patterns.

Experience handling incident response: root cause analysis, rapid resolution, and long-term fixes.

Ability to adapt to diverse technology stacks and readiness to learn Ruby on Rails if not already proficient.

Japanese: Basic proficiency is a plus (reading and understanding technical documents).

English: Fluent in both written and spoken communication.

Technology Stack

Backend: Ruby, Ruby on Rails, GraphQL, gRPC, Sidekiq Pro, RSpec, Kotlin

Frontend: TypeScript, Next.js, Vue.js, Nuxt.js, Bootstrap-vue, Vue Apollo, Jest

Infrastructure: AWS (EKS, Aurora, ElastiCache, S3), Terraform

Tooling:

Source control: GitHub

Project tracking: JIRA

Monitoring: Datadog, Rollbar

CI/CD: CircleCI, ArgoCD, GitHub Actions

Communication: Zoom, Slack, Figma, Miro

■ Additional Preferred Qualifications

Familiarity with Ruby, Ruby on Rails, Kotlin, SpringBoot, and React.

Experience working in Agile environments, particularly Scrum-based teams.

Skilled in designing, writing, and executing tests using tools such as RSpec, Jest, JUnit, or Playwright.

Proficiency in middleware performance tuning, including database optimization.

Experience designing, building, and operating microservices and understanding scalable architecture.

Ability to make sound architectural decisions and choose appropriate technologies.

Experience developing AI solutions or utilizing AI tools to optimize the development lifecycle.

■ Good Reasons to Join

- Engage with advanced financial technologies.
- Lead impactful projects in a dynamic and innovative environment.
- Work within a collaborative, international team setting

■Work Style

Hybrid work, 2-3 days to the office.

■Work Location

Tokyo

■Salary

Negotiable

■ Job Title

QA manager

For someone living in Japan!

■ Company Overview

A tech-driven company focusing on transforming financial services through innovative solutions. They provide numerous services that help simplify financial management for both individuals and businesses.

■ Your Role and Responsibilities 

Manage the QA team and oversee member development/training

Develop and implement medium- to long-term test strategies (unit, integration, system, functional/non-functional tests, with automation)

Gather, analyze, and act on defect data to continuously improve quality

Standardize and enhance development/testing workflows

Review team deliverables (e.g., test plans, test designs, test summaries, defect reports)

Manage external vendors

■ Experience and Qualifications

In-depth domain knowledge and hands-on experience in Back Office or HR-related systems

Proven experience managing teams of 5+ members

Background in cross-departmental testing process improvement or standardization

Experience formulating and executing test strategies aligned with Quality, Cost, and Delivery (QCD), including automated testing (test pyramid)

Strong negotiation and coordination skills with PMs and engineering leaders

Excellent decision-making and problem-solving skills in uncertain situations

Bachelor’s degree in Computer Science, Information Systems, or equivalent technical knowledge (e.g., Basic Information Technology Engineer certification)

Minimum 3 years of experience in software development or equivalent technical role

ISTQB or JSTQB certification (Advanced Level preferred or equivalent experience)

Japanese: N3 or higher (must be able to read Japanese documents)

English: Basic business-level English (TOEIC 700 or above)

Technology Stack

Backend: Ruby, Ruby on Rails, GraphQL, gRPC, Sidekiq Pro, RSpec, Kotlin

Frontend: TypeScript, Next.js, Vue.js, Nuxt.js, Bootstrap-vue, Vue Apollo, Jest

Infrastructure: AWS (EKS, Aurora, ElastiCache, S3), Terraform

Tooling:

Source control: GitHub

Project tracking: JIRA

Monitoring: Datadog, Rollbar

CI/CD: CircleCI, ArgoCD, GitHub Actions

Communication: Zoom, Slack, Figma, Miro

■ Additional Preferred Qualifications

Familiarity with agile development practices (e.g., Scrum, DevOps)

Strong ownership and dedication to product quality

Proactive communicator across cross-functional teams

Experience with AI development and/or using AI tools to streamline development workflows

Interest in our AI roadmap focused on AI-enhanced productivity and value-driven features

■ Good Reasons to Join

- Engage with advanced financial technologies.
- Lead impactful projects in a dynamic and innovative environment.
- Work within a collaborative, international team setting

■Work Style

Hybrid work, 2-3 days to the office.

■Work Location

Tokyo

■Salary

Negotiable

データ活用戦略を牽引するビジネスデータコンサルタント募集！

■ 職種

ビジネスデータコンサルタント

■ 会社概要

世界90カ国以上、13万8,000人以上のプロフェッショナルが在籍する、グローバルITサービスプロバイダーの一員として、顧客体験、業務効率、社会的価値を高めるデジタルトランスフォーメーションを推進。
5G、ブロックチェーン、サイバーセキュリティ、AIなどの次世代技術を活用し、Fortune 500を含む世界中の顧客にサービスを提供。

本ポジションは、デジタル戦略の策定から実行、業務変革まで一貫して支援するコンサルティング部門での募集です。グローバルな知見と実行力により、顧客ビジネスの成果創出を強力に支援します。

■ 職務内容

＜データコンサルティング＞
・クライアントのデータ戦略、アーキテクチャ、マネジメントに関する専門的な助言を提供
・ビジネス目標に即したデータ活用戦略とソリューションの設計
・データ品質、整合性、アクセス性を確保するためのベストプラクティス提案
・データサイエンス・技術チームとの連携による実装支援

＜ビジネスケース作成＞
・データ活用やモダナイゼーションの提案に伴う事業計画の作成
・ROI分析やコスト・ベネフィット評価
・意思決定支援のための財務モデルの構築

＜エグゼクティブ向けのストーリーテリング＞
・複雑なデータコンセプトを経営層向けにわかりやすく可視化・説明
・戦略的意義を伝えるプレゼン資料・レポートの作成
・非技術的な聴衆に対するデータの価値提案

■ 応募資格

・ビジネスデータコンサルタント、または同様のテクノファンクショナルなコンサルティング経験
・データ戦略、アーキテクチャ、マネジメント、ガバナンスに関する深い理解
・データ分析、業務・プロセスモデリングなどのプロセスベーススキル
・製造業（特に自動車・離散製造）の知見（エンジニアリング、製造、生産管理、アフターマーケットなど）
・優れたコミュニケーション能力（プレゼンテーション、ファシリテーション）
・日英バイリンガル（日本語N2以上、英語ビジネスレベル）

■ 歓迎条件

・データマネタイズ、データCOEの立ち上げ・推進経験
・クラウドデータアーキテクチャやAI/MLとの連携経験

■ アピールポイント

・グローバル案件を通じた業務変革の最前線での活躍
・経営層への直接提案の機会あり
・デジタル×データの最先端領域での成長機会

■ 勤務地

東京都

■ その他あれば

・フルタイム／長期契約ポジション