Job ID:
75518
Published date:
2026-09-04
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Job ID:
75447
Published date:
2026-09-02
Summary
最先端の金融サービスを支える強力なセキュリティ体制の構築・強化を牽引するエンジニアを募集！
■ 職種
セキュリティエンジニア（幹部候補／担当メンバー）
■ 会社概要
次世代金融および暗号資産・ブロックチェーン領域において、世界基準のサービスを展開するグローバル企業です。
■ 職務内容
（雇入れ直後） Webアプリやインフラのセキュリティ評価・診断から、インシデント対応、各種監査・ガイドライン運用、社内向けセキュリティ教育まで幅広く担当します。
（変更の範囲）会社の定める業務
■ 応募資格
・ビジネスレベルの日本語力
・Webアプリまたはインフラ領域でのセキュリティ実務経験（3年以上）
■ 歓迎条件
・ビジネスレベルの英語力（海外拠点との連携経験）
・クラウド環境（AWS/Azure/GCP）でのセキュリティ構築・運用経験
・SIEMやWAFなどセキュリティツールの選定・運用実績
・セキュリティ規定・ガイドライン等の策定・運用経験
・各種評価・監査向けドキュメント作成経験
・金融または暗号資産分野でのセキュリティ運用実績
・CISSP、CISA、情報処理安全確保支援士などの専門資格
■ アピールポイント
国籍や年齢を問わず優秀な人材が集まる多様性に富んだ組織で、次世代のフィンテック基盤を構築する経験が得られます。
フレックス制や手厚い福利厚生（学習支援、ヘルスケアなど）も魅力です。
■ 就業場所
（雇入れ直後） 東京都港区 ※原則出社
（変更の範囲）会社の定める場所
■ 給与
想定年俸：600万円～1,200万円（経験・スキルに応じる／固定残業代含む・超過分別途支給／業績手当あり）
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Job ID:
75367
Published date:
2026-08-31
Summary
Job Title: Cloud & Infrastructure / Department Head
Grade: M3 Job Requisition #:
Please enter your SF application number
Reports to: Head of ITO Team Size: 35
Direct reports: 6
Key Stakeholders:
- Internal: CCBJI IT & Business leadership, Application & Operations teams
- External: Strategic vendors, platform providers, system integrators
Position Overview:
The Cloud & Infra Department Head leads the modernization and optimization of CCBJI’s IT
infrastructure and cloud platforms, enabling scalable, secure, and sustainable digital
operations across manufacturing, logistics, commercial, and corporate functions.
Responsibilities
Main responsibilities include:
Cloud & Infrastructure Leadership
• Lead the overall Cloud & Infrastructure department, which is made up for the
following sections: End User Computing, Service Desk, Network, MultiCloud SRE,
Cyber Security, Infra Architecture.
• Define and execute a roadmap for the evolution of infrastructure footprint in
alignment with business goals.
2. Operational Excellence
• Ensure high availability, performance, security, and resilience of infrastructure and
cloud services.
• Oversee data center operations, network architecture, enterprise storage, and
platform operations (internal teams and/or partners).
• Lead incident management, disaster recovery, and business continuity planning.
• Monitor KPIs for service quality, operational stability, cost awareness, and vendor
performance.
3. People & Organization Management
• Lead and develop a team of highly capable technical experts.
• Build organizational capability through coaching, role clarity, and selective skill
development rather than individual dependency.
• Foster a culture of accountability, collaboration, and continuous improvement.
4. Vendor & Stakeholder Management
• Manage strategic vendors and system integrators; define and govern SLAs and
service performance.
5. Governance, Security & Compliance
• Ensure compliance with relevant regulations and standards.
• Collaborate with security and risk teams to maintain a strong control environment.
• Align infrastructure operations with company-wide sustainability and Green IT
initiatives where applicable.
6. Continuous Improvement & Modernization
• Promote automation, standardized operations, and modern delivery practices where
appropriate.
• Evaluate emerging technologies for practical business value.
• Drive continuous modernization.
Mandatory Requirements:
Education:
✓ Bachelor’s degree in computer science, Engineering, or a related field.
Experience/Skill:
✓ 10+ years of hands-on experience in either Cloud, Infrastructure, or Network. (Not
All required)
✓ 3 years of leadership role within a large enterprise environment.
✓ Proven people management experience, including managing managers or teams of 8+
members.
✓ Strong experience operating and stabilizing mission-critical IT platforms.
✓ Understanding of IT governance, security, and regulatory compliance.
✓ Relevant certifications (cloud platforms, ITIL, security) are a plus.
Competencies (Soft Skills):
✓ Communication: Ability to collaborate effectively with business leaders, IT peers, and
external partners.
✓ Agility: Acts quickly based on data-driven predictions and remains resilient during
conflicts.
✓ Integrity: Supports management to build team unity and adheres strictly to ethical
standards and code of conduct.
Required Language Capabilities:
Japanese – native level / fluent / business / conversational / none
English – native level / fluent / business / conversational / none
Other special remarks to note:
Hybrid work style with 2-3 days a week in the office.
Interview Process:
Document Screening + Up to 3 times Interview
What are great things about team and role:
This role offers the opportunity to lead a high-impact, enterprise-scale Cloud & Infrastructure
team that underpins mission-critical systems across manufacturing, supply chain, and
commercial operations for a large enterprise and an iconic brand. It combines real authority
and visibility with a mandate of operational stability and ongoing modernization, supported
by strong vendor partners. The focus is on leadership and capability building, allowing the
department head to drive outcomes and shape the future platform. This is a career forming
opportunity for a technology expert with executive ambitions.
Job ID:
75294
Published date:
2026-08-28
Summary
Career Opportunity for a Senior Rust Backend Engineer in Japan!
■ Senior Rust Backend Engineer
■ Company Overview
A Japan-originated global Web3 technology company building next-generation blockchain infrastructure, decentralized applications, and on-chain products. With strong partnerships across major global enterprises and financial institutions, it is focused on bringing blockchain technology into mainstream use and building the infrastructure for the next generation of the internet.
■ Your Role and Responsibilities
● Own the architecture and technical direction of high-performance trading APIs (HTTP & WebSocket) supporting low-latency order entry, market data distribution, and account state updates.
● Lead the design and implementation of structured concurrency using the Tokio runtime, defining best practices for task lifecycle management, cancellation semantics, backpressure, and graceful degradation under load.
● Develop and maintain real-time state ingestion pipelines:
● Process append-only logs (e.g., trades, order updates, book diffs).
● Rebuild local states efficiently using snapshot + diff application.
● Model trading-related data structures, including orders, fills, trades, positions, funding, and liquidation logic.
● Implement WebSocket connection logic, including upgrade handling, frame parsing, and data fanout for subscribed clients.
● Design observable backend systems with rich metrics, structured logging, and distributed tracing for performance insights and failure analysis.
● Collaborate with system and infrastructure engineers to continuously improve performance, scalability, and fault tolerance.
● Write comprehensive unit, integration, and load tests to ensure stability under production conditions.
■ Experience and Qualifications
● Rust Expertise
● 5+ years of professional backend engineering experience, with 3+ years of Rust in production.
● Strong experience with the Tokio async runtime and concurrent programming patterns.
● Deep understanding of structured concurrency and robust handling of spawned task cancellation.
● Hands-on experience with HTTP and WebSocket frameworks such as Hyper or similar.
Trading Literacy
● Solid understanding of CEX/DEX systems and trading models.
● Familiarity with data modeling for trading entities (orders, trades, positions, funding, mark price, margin, liquidation logic, etc.).
● Prior hands-on trading or market data experience (personal or professional).
State Ingestion & Processing
● Expertise in real-time data streaming and processing systems.
● Ability to design systems that rebuild local state efficiently from snapshots and diffs.
● Familiarity with replay, recovery, and correctness guarantees in event- driven systems.
■ Additional Preferred Qualifications
● Performance Engineering
● Deep understanding of lock-free or lock-avoidant data structures
● Experience designing cache-friendly data layouts and optimizing for memory locality in latency-sensitive systems.
● Proficiency in profiling CPU and memory performance and able to diagnose and optimize latencies in real-time event pipelines
● DevOps & CI/CD
● Familiarity with Docker-based environments and CI/CD pipelines.
■ Good Reasons to Join
● Join a highly technical startup environment where engineers have
significant ownership and direct product impact.
■ Work Location
Tokyo, Japan
Details will be provided during the meeting.
Job ID:
75292
Published date:
2026-08-28
Summary
Career Opportunity for a Senior Frontend Engineer in Japan!
■ Senior Frontend Engineer
■ Company Overview
A Japan-originated global Web3 technology company building next-generation blockchain infrastructure, decentralized applications, and on-chain products. With strong partnerships across major global enterprises and financial institutions, it is focused on bringing blockchain technology into mainstream use and building the infrastructure for the next generation of the internet.
■ Your Role and Responsibilities
● Frontend architecture & technical contributions: Contribute to the evolution of frontend system design, patterns, and best practices.
● Application development: Design, build, and maintain complex, production-grade frontend applications using TypeScript and TanStack Start.
● State management & data orchestration: Implement and maintain scalable client-side state using Zustand and TanStack Query to ensure predictable and performant data flows.
● Project ownership: Own and deliver end-to-end frontend workstreams,
including:
- Core wallet and account abstraction UX flows
- High-throughput, data-rich product interfaces
- New web and mobile dApp surfaces
● Testing & reliability: Contribute to and maintain Playwright-based end-to-end test suites to improve coverage and release confidence.
● Cross-functional collaboration: Partner with Product, Design, and Backend teams to refine requirements and deliver high-quality outcomes.
■ Experience and Qualifications
● 2 ~ 4 years of experience as a frontend engineer
● Strong proficiency in TypeScript and modern JavaScript.
● Experience with TanStack Start or comparable meta-frameworks (e.g. Next.js, Remix).
● Solid expertise in modern React patterns, performance optimization, and frontend application design.
● Ability to operate independently in ambiguous, fast-paced environments.
● Excellent written and verbal communication skills.
■ Additional Preferred Qualifications
● Experience leveraging AI-assisted coding tools (Cursor, Copilot, Claude, or similar) to accelerate development.
● Background in web3, blockchain, or decentralized application development.
● Experience in startup or scale-up environments.
■ Good Reasons to Join
● Gain exposure to collaborations with leading technology, financial, and enterprise organizations.
■ Work Location
Tokyo, Japan
Details will be provided during the meeting.
Job ID:
75295
Published date:
2026-08-28
Summary
Career Opportunity for a QA Engineer in Japan!
■ QA Engineer (Test Automation)
■ Company Overview
A Japan-originated global Web3 technology company building next-generation blockchain infrastructure, decentralized applications, and on-chain products. With strong partnerships across major global enterprises and financial institutions, it is focused on bringing blockchain technology into mainstream use and building the infrastructure for the next generation of the internet.
■ Your Role and Responsibilities
● Define QA standards, release criteria, and quality metrics.
● Design, build, and maintain scalable E2E automated test frameworks (e.g., Playwright) (80–90% of the role involves building automation).
● Validate trading logic: execution paths, price impact, fee calculations, and thousands of user paths (Strium).
● Modernize, optimize, and expand existing E2E testing infrastructure.
● API testing: verify consistency between backend responses and frontend behavior.
● API load and stress testing designed for high-throughput environments.
● Design reproducible test environments and test data.
● Collaborate with engineering and product teams to define "testable acceptance criteria."
■ Experience and Qualifications
● Candidates must have at least 5 years of professional experience and advanced English proficiency, and meet at least three of the following criteria (English is the company's official language):
● At least 5 years of QA experience with web, mobile, financial systems, or Fintech products, including at least 2 years of test automation experience.
● Proven track record of building E2E test frameworks (e.g., Playwright, Cypress, Appium, Selenium) from scratch.
● Ability to write test automation code (this is a coding-intensive QA role; JavaScript/TypeScript is ideal, but Java/Python are also acceptable. Since the existing E2E infrastructure and frontend are built using JS/TS, you will be expected to get up to speed on these after joining).
● Experience testing complex Fintech or financial products, having navigated both technical complexities (e.g., transaction integrity, asynchronous processing) and organizational complexities (e.g., development involving multiple teams and stakeholders).
● Experience designing highly maintainable automated test suites integrated into CI pipelines.
● Ability to work autonomously as the sole QA professional for a product or team. Ability to proactively clarify requirements across teams, even when specifications are ambiguous
● Experience taking ownership of defining quality standards and test strategies, and driving the team to implement them (organization size is not a factor; the role requires building systems/processes rather than simply executing pre-defined tests)
● English proficiency beyond a conversational level (English is the official company language; native-level fluency is not required)
● Curiosity and a drive to quickly learn and assimilate knowledge in unfamiliar domains (prior blockchain experience is not required)
■ Additional Preferred Qualifications
● Experience with E2E automation for exchanges, securities, or financial systems
● Knowledge of blockchain, smart contracts, and on-chain transactions
● Practical experience with load testing tools (e.g., k6, Artillery)
● Experience using AI tools for test generation and test operations
● Understanding of trading concepts (slippage, liquidity, execution flow)
■ Good Reasons to Join
● Gain exposure to collaborations with leading technology, financial, and enterprise organizations.
■ Work Location
Tokyo, Japan
Details will be provided during the meeting.
Job ID:
75293
Published date:
2026-08-28
Summary
Career Opportunity for a Senior Backend Engineer in Japan!
■ Senior Backend Engineer (TypeScript / Web3)
■ Company Overview
A Japan-originated global Web3 technology company building next-generation blockchain infrastructure, decentralized applications, and on-chain products. With strong partnerships across major global enterprises and financial institutions, it is focused on bringing blockchain technology into mainstream use and building the infrastructure for the next generation of the internet.
■ Your Role and Responsibilities
● Take ownership of backend architecture and implementation across multiple products within the company’s ecosystem.
● Design, build, and maintain scalable production APIs and backend services used by customer-facing applications.
● Build and operate high-performance distributed systems capable of serving large user bases and handling significant production traffic reliably.
● Design backend systems with strong focus on scalability, fault tolerance, reliability, and long-term maintainability.
● Build and maintain data pipelines, background workers, asynchronous processing systems, and event-driven architectures.
● Build and maintain blockchain integrations and indexing systems that ingest, process, and serve on-chain data to internal services and user-facing applications.
● Design efficient database schemas, optimize complex queries, and ensure long-term scalability of data storage systems.
● Work across both Web2 and Web3 backend infrastructure, integrating traditional backend systems with blockchain protocols and decentralized infrastructure.
● Diagnose and solve complex production issues, performance bottlenecks, reliability problems, and scaling challenges.
● Build systems with strong observability, monitoring, alerting, and operational tooling.
● Continuously improve backend architecture, deployment pipelines, system reliability, and engineering practices.
● Move quickly, make sound technical decisions independently, and take ownership of delivering production-ready systems.
■ Experience and Qualifications
● Extensive experience building and operating production backend systems in modern engineering environments.
● Strong proficiency in TypeScript and modern backend frameworks (NestJS, Fastify, Express, or similar).
● Strong understanding of backend architecture, API design, service-oriented architecture, and distributed systems design.
● Ability to independently design and deliver complex backend systems with minimal oversight.
Large-Scale Systems Experience
● Proven track record building and operating backend systems serving large numbers of users in production environments.
● Experience designing systems that operate reliably under high traffic, heavy workloads, and demanding production conditions.
Data & Infrastructure
● Deep expertise with PostgreSQL, including schema design, indexing, query optimization, migrations, and production database management.
● Experience building systems that process large amounts of structured or event-driven data.
● Strong understanding of observability, logging, monitoring, and service health management.
Web2 + Web3 Engineering
● Experience building backend systems for modern Web2 applications.
● Experience integrating with blockchain infrastructure, node APIs, smart contracts, or decentralized protocols.
■ Additional Preferred Qualifications
● Experience building backend services in Go.
● Experience with Kafka, NATS, RabbitMQ, or similar messaging systems.
● Experience deploying and operating services using Docker and modern CI/CD pipelines.
● Contributions to open-source backend, infrastructure, or blockchain tooling projects.
● Strong understanding of the DeFi ecosystem and hands-on familiarity with products such as decentralized exchanges, lending protocols, staking systems, bridges, or other on-chain financial infrastructure.
■ Good Reasons to Join
● Join a highly technical startup environment where engineers have significant ownership and direct product impact.
■ Work Location
Tokyo, Japan
Details will be provided during the meeting.
Job ID:
75254
Published date:
2026-08-27
Summary
PayPay Securities Backend Engineer (V4)
Backend Engineer
About PayPay Securities / PayPay証券について PayPay is a FinTech company that has surpassed 70 million users (as of July 2025) in 7 years since its launch in 2018, is rapidly expanding its business scale as a payment platform used by approximately one out of every two smartphone users in Japan. PayPay Securities Corporation provides a unique and familiar asset management service that anyone can easily use in their daily lives as a specialized smartphone brokerage firm that can be used through PayPay. As a member of the PayPay Group, we are refining our products at an overwhelming speed that no other company can imitate, and we will promote the spread of cashless payments in Japan and the financial life platform that uses them at a dash. We are looking for people who are passionate about these things as professionals, who can identify issues on their own, and who can work together with others to create new value. ※ Please note that you cannot apply or be selected in parallel with PayPay Corporation, PayPay Card Corporation and PayPay Securities Corporation. 2018年にサービスを開始してから約7年でユーザー数7,000万人（2025年7月時点）を突破したフィンテック企業で ある「PayPay」は日本国内においてスマホユーザーのおよそ2人に1人が使用する決済プラットフォームとして急速 に事業規模を拡大しています。 PayPay証券株式会社は「PayPay」から使用できるスマホ専業証券会社として「資産運用」を日常の中で誰もが簡 単にできるユニークで身近な資産運用サービスを提供しています。 他社に真似できない圧倒的なスピードでプロダクトを磨き上げ、日本のキャッシュレス決済、またそれを使用した金
融ライフプラットフォームとしての普及を一気に推進することにプロフェッショナルとして情熱を持って取り組み、ユー
ザーの為に新しい価値創出を共に推進する仲間を募集します。 ※ PayPay証券株式会社へご応募いただく際にはPayPay株式会社、PayPayカード株式会社へ併願応募はご遠 慮いただいております。ご了承ください。
Job Description / 業務について PayPay Securities, as an important part of PayPay’s financial ecosystem, has launched “Point Management” with over 20 million users and “PayPay Asset Management, the first initiative in Japan that enables asset management on a payment application. Now that the business foundation of the financial ecosystem is finally in place, we intend to expand our business to change the structure of asset management in Japan, with the main target being those who have not yet started asset management or were not interested in it before. To achieve our goal, PayPay Securities is preparing to bring in technical talents not only from Japan but also globally, just as we have done with PayPay’s product division. As a Backend Engineer, you will be collaborating with engineers, designers and QAs, and working in an environment where you can be one of the founding members to build up a new organization within PayPay Securities. PayPay証券はPayPayの金融エコシステムの重要な一角を担う企業として、2,000万ユーザーを超える「ポイント運 用」と、決済アプリ上で資産運用ができる日本初の取り組みである「PayPay資産運用」をスタートさせました。ようや く金融エコシステムの事業基盤が整ったところで、日本の資産運用の構造を変えるべく、これからはまだ資産運用を
始めていない方や関心がない方たちをメインターゲットと捉えて事業を拡大させていきます。
そのためにPayPay証券のエンジニアリング部門は、PayPayと同様なレベルでの技術力と開発スピードの向上およ び内製化を進めています。 日本国内に限らず海外からも優秀な人材を迎え入れるグローバル組織を構築する予定です。（英語力については
翻訳チームやWebツールを活用しながら入社後に学んで頂く形でも問題はありません）
Highlights of the opportunity / ポジションの魅力:
Be part of the team to build up a new organization and environment Develop skills in making business plans from a high perspective, through the high-level
coordination with departments and affiliated companies within PayPay Group to support the top management’s decision
Gain experience in a company that aiming to be the pioneer in the market to provide a brand new Mobile Securities services, which never had before during the era of Financial reformation
Able to utilize PayPay’s services and user base
新しい組織・環境を一緒に作り上げることができる点 経営トップの意思決定サポートや各部門・PayPayを始めとした関係会社とのハイレベルな調整を通じ、高
い視点に立った企画立案能力を獲得することができる点 金融業界の変革期のなかで、これまでにない新しいモバイル証券サービスの提供を目指す当社において、
業界の最前線にて業務経験を積むことができる点 PayPayのサービス・ユーザー基盤を活用できる点
Responsibilities / 主な担当業務:
Develop and operate the Backend Application system for PayPay Securities product (PHP, Java, SpringBoot, Kotlin, MySQL/AuroraDB)
Design large scale systems with high complexity to support our high throughput applications Understand how to leverage infrastructure for solving such large scale problems Develop tools and contribute to open source wherever possible Adopt problem solving as a way of life – always go to root cause!
PayPay証券プロダクトが接続するバックエンドアプリケーションの開発と運用（PHP、Java、SpringBoot、
Kotlin, MySQL/AuroraDB） 複雑性の高い大規模システムを設計し、高スループットのアプリケーションを提供する システム課題を解決するためのインフラストラクチャの活用方法を理解し実装する 可能な限りツールを開発し、またオープンソースに貢献する 問題解決思考で行動し、常に根本原因を追求する
Qualifications / 必要なスキル・経験 :
3-5 experience in developing Backend Application for company products Experience in using Java/PHP under professional environment, or if you are non-Java user,
excellent skills in generalized programming languages, such as Scala, Python and Go. Interest and ability to learn other coding languages as needed. Experience with NoSQL databases and distributed cache. Strong fundamentals in data structures, algorithms and object oriented programming In-depth understanding of concurrency and distributed computing Degree in Computer Engineering or Computer Science or 5+ years equivalent experience in
SaaS platform development
Business level in either English or Japanese (JLPT N1)
3~5年の自社プロダクトのバックエンド開発経験 Java/PHPの実務経験。またはScala、Python、Goなどの一般的なプログラミング言語の優れたスキル
必要に応じて他のプログラミング言語を学ぶ興味を持っていること NoSQLデータベースや分散キャッシュの使用経験 データ構造、アルゴリズム、オブジェクト思考プログラミングの基礎を理解していること 並列処理と分散コンピューティングを深く理解していること 日本語（日本語能力試験N1同等レベル）もしくは英語ビジネスレベル
Preferred Qualifications / あると望ましいスキル・経験:
Experience with implementing platform components such as RESTful APIs, Pub/Sub Systems, Database Clients
Experience with AWS services Experience in system design, development of web system which handles massive amount of
transactions or requires scalability Experience with Microservices Experience in working for system development in securities, finance, or similar industries Experience in developing inhouse Product/Service
RESTful API、Pub/Subシステム、データベースクライアントなどのプラットフォームコンポーネントの実装
経験 AWSサービスの利用経験 システム設計、大量トランザクションを扱うアプリ/Webプロダクト、スケーラビリティを必要とするアプリ/Web
プロダクトの開発経験 マイクロサービスの経験 証券・金融業界での開発経験 インハウスでの自社サービス運用経験
The ideal candidates at PayPay Securities / PayPay証券が求める人物像
PayPay 5 senses
Working Conditions
Employment Status
Full Time
Office Location
Hybrid Workstyle (flexible working style including Remote and office) ※There are no fixed rules regarding office attendance in Product group; it depends on each individual's discretion.
Work Hours
Super Flex Time (No Core Time)
In principle, 9:00am-5:45pm + 1h break (actual working hours: 7h45m + 1h break)
Holidays
Every Sat/Sun/National holidays (In Japan) Summer break (2 days / generally taken between July 1st and September 30th / subject to
change depending on month of employment) Year-end and New Year holidays (12/31-1/3)
Paid leave
Annual paid leave (1 to 10 days depending on the month of joining will be granted upon employment date)
Salary
Annual salary paid in 12 installments (monthly) Based on skills, experience and abilities Review once a year Overtime allowance, Late overtime allowance, Commuting and transportation expenses, Work
style support allowance
Benefits
Social Insurances (Health insurance, Employee pension, Employment insurance and Industrial accident compensation insurance)
401K
待遇・条件 雇用形態
正社員
勤務地
自宅または本社
勤務時間
スーパーフレックス制（コアタイム無し） 原則：午前9時～午後17時45分（実働7.75時間＋休憩時間 1時間）
休日
完全週休2日制（土日祝） 有給休暇（入社時付与あり／入社月に応じて1日〜10日付与） 夏季休暇（2日／原則7/1-9/30の間に取得／入社月に応じて変動あり） 年末年始休暇（12/31-1/3）
休暇（法定休暇および会社福利厚生）
年次有給休暇(初年度10日間、入社月に応じて按分付与、入社日から使用可）
給与
年俸制 経験、スキル、業績、貢献度に応じ当社規定により決定 昇給（年1回） 時間外勤務手当、深夜勤務手当、通勤交通費、WorkStyle支援金
ベネフィット
社会保険（健康保険、厚生年金、雇用保険、労災保険） 企業型確定拠出年金（401k）
- About PayPay Securities / PayPay証券について
- Highlights of the opportunity / ポジションの魅力:
- Responsibilities / 主な担当業務:
- Preferred Qualifications / あると望ましいスキル・経験:
- The ideal candidates at PayPay Securities / PayPay証券が求める人物像
- Employment Status
- Office Location
- Work Hours
- Holidays
- Paid leave
- Salary
- Benefits
- 待遇・条件
- 勤務地
- 勤務時間
- 休日
- 給与
- ベネフィット
Job ID:
75253
Published date:
2026-08-27
Summary
PayPay Securities Frontend Engineer (V4)
Frontend Engineer
About PayPay Securities / PayPay証券について PayPay is a FinTech company that has surpassed 70 million users (as of July 2025) in 7 years since its launch in 2018, is rapidly expanding its business scale as a payment platform used by approximately one out of every two smartphone users in Japan. PayPay Securities Corporation provides a unique and familiar asset management service that anyone can easily use in their daily lives as a specialized smartphone brokerage firm that can be used through PayPay. As a member of the PayPay Group, we are refining our products at an overwhelming speed that no other company can imitate, and we will promote the spread of cashless payments in Japan and the financial life platform that uses them at a dash. We are looking for people who are passionate about these things as professionals, who can identify issues on their own, and who can work together with others to create new value. ※ Please note that you cannot apply or be selected in parallel with PayPay Corporation, PayPay Card Corporation and PayPay Securities Corporation. 2018年にサービスを開始してから約7年でユーザー数7,000万人（2025年7月時点）を突破したフィンテック企業で ある「PayPay」は日本国内においてスマホユーザーのおよそ2人に1人が使用する決済プラットフォームとして急速 に事業規模を拡大しています。 PayPay証券株式会社は「PayPay」から使用できるスマホ専業証券会社として「資産運用」を日常の中で誰もが簡 単にできるユニークで身近な資産運用サービスを提供しています。 他社に真似できない圧倒的なスピードでプロダクトを磨き上げ、日本のキャッシュレス決済、またそれを使用した金
融ライフプラットフォームとしての普及を一気に推進することにプロフェッショナルとして情熱を持って取り組み、ユー
ザーの為に新しい価値創出を共に推進する仲間を募集します。 ※ PayPay証券株式会社へご応募いただく際にはPayPay株式会社、PayPayカード株式会社へ併願応募はご遠 慮いただいております。ご了承ください。
Job Description / 業務について PayPay Securities, as an important part of PayPay’s financial ecosystem, has launched “Point Management” with over 20 million users and “PayPay Asset Management, the first initiative in Japan that enables asset management on a payment application. Now that the business foundation of the financial ecosystem is finally in place, we intend to expand our business to change the structure of asset management in Japan, with the main target being those who have not yet started asset management or were not interested in it before. To achieve our goal, PayPay Securities is preparing to bring in technical talents not only from Japan but also globally, just as we have done with PayPay’s product division. As a Frontend Engineer, you will be collaborating with engineers, designers and QAs, and working in an environment where you can be one of the founding members to build up a new organization within PayPay Securities. ※ Please note that this job is for Japan Residents Only
PayPay証券はPayPayの金融エコシステムの重要な一角を担う企業として、2,000万ユーザーを超える「ポイント運 用」と、決済アプリ上で資産運用ができる日本初の取り組みである「PayPay資産運用」をスタートさせました。ようや く金融エコシステムの事業基盤が整ったところで、日本の資産運用の構造を変えるべく、これからはまだ資産運用を
始めていない方や関心がない方たちをメインターゲットと捉えて事業を拡大させていきます。 そのためにPayPay証券のエンジニアリング部門は、PayPayと同様なレベルでの技術力と開発スピードの向上およ び内製化を進めています。 日本国内に限らず海外からも優秀な人材を迎え入れるグローバル組織を構築する予定です。（英語力については
翻訳チームやWebツールを活用しながら入社後に学んで頂く形でも問題はありません） Highlights of the opportunity / ポジションの魅力:
Be part of the team to build up a new organization and environment Develop skills in making business plans from a high perspective, through the high-level
coordination with departments and affiliated companies within PayPay Group to support the top management’s decision
Gain experience in a company that aiming to be the pioneer in the market to provide a brand new Mobile Securities services, which never had before during the era of Financial reformation
Able to utilize PayPay’s services and user base
新しい組織・環境を一緒に作り上げることができる点 経営トップの意思決定サポートや各部門・PayPayを始めとした関係会社とのハイレベルな調整を通じ、高
い視点に立った企画立案能力を獲得することができる点 金融業界の変革期のなかで、これまでにない新しいモバイル証券サービスの提供を目指す当社において、
業界の最前線にて業務経験を積むことができる点 PayPayのサービス・ユーザー基盤を活用できる点
Responsibilities / 主な担当業務:
Development and operation of products using web technologies, including PayPay Securities mini-applications, PC trading sites, and business management tools
Work closely with Product Managers and Product Designers to customize the asset management and investment experience
Prototype development of new features and renewal designs Technical tasks including unit test improvements and architecture improvements, etc.
PayPay証券ミニアプリ、PC取引サイト、業務管理ツールなどWeb技術を利用したプロダクトの開発と運用 プロダクトマネージャーやプロダクトデザイナーと密接に連携し、資産運用・投資体験をカスタマイズする 新機能開発やリニューアルデザインのプロトタイプ開発 ユニットテストの改善やアーキテクチャ改善を含む技術タスクなど
Tech Stack
｜TypeScript, JavaScript, HTML/CSS ｜Vue.js, NestJS ｜Docker, AWS, GH Actions, Terraform ｜GitHub, npm/pnpm, vite, i18n, Storybook ｜Sentry, OpenSearch, Google Analytics, Firebase, Grafana
｜Figma, PlantUML, draw.io ｜Slack, Zoom, Confluence, Jira Qualifications / 必要なスキル・経験 :
3-5 years of in-house web product development experience Working experience with HTML/CSS, JavaScript, Vue.js, TypeScript Knowledge of modern web development methods and JavaScript related frameworks Experience with Rest API integration Ability to work with a strong sense of ownership Business level in either English or Japanese (Native Japanese speaker or JLPT N1
equivalent)
3~5年の自社Webプロダクト開発の実務経験 HTML/CSS, JavaScript, Vue.js, TypeScriptの実務経験 モダンなWeb開発手法、JavaScript関連のフレームワークに対する知識を保有している Rest APIの統合経験 強いオーナーシップを持ち業務遂行できること 日本語（日本語が母国語、もしくは、日本語能力試験N1同等レベル） 英語に苦手意識がないこと（業務において必要であれば通訳を介します）
Preferred Qualifications / あると望ましいスキル・経験:
Experience developing Securities and Finance related applications Experience developing functionality while implementing unit tests (TDD) Experience with Agile development Experience in Front-end performance monitoring and optimization Experience building Front-end CI/CD infrastructure and deployment pipelines Experience in in-house service operation
証券・金融関連のアプリ開発経験 ユニットテストを実装しながら機能開発を行った経験（TDD） アジャイル開発の経験 フロントエンドのパフォーマンスモニタリングと最適化の経験 フロントエンドのCI/CDインフラの構築とデプロイパイプラインの構築経験 インハウスでの自社サービス運用経験 英語（ビジネスレベルでの会話が可能なレベル）
The ideal candidates at PayPay Securities / PayPay証券が求める人物像
PayPay 5 senses
Working Conditions
Employment Status Full Time
Office Location
Hybrid Workstyle (flexible working style including Remote and office) ※There are no fixed rules regarding office attendance in Product group; it depends on each individual's discretion.
Work Hours
Super Flex Time (No Core Time) In principle, 9:00am-5:45pm + 1h break (actual working hours: 7h45m + 1h break)
Holidays
Every Sat/Sun/National holidays (In Japan) Summer break (2 days / generally taken between July 1st and September 30th / subject to
change depending on month of employment) Year-end and New Year holidays (12/31-1/3)
Paid leave
Annual paid leave (1 to 10 days depending on the month of joining will be granted upon employment date)
Salary
Annual salary paid in 12 installments (monthly) Based on skills, experience and abilities Review once a year Overtime allowance, Late overtime allowance, Commuting and transportation expenses, Work
style support allowance
Benefits
Social Insurances (Health insurance, Employee pension, Employment insurance and Industrial accident compensation insurance)
401K
待遇・条件
雇用形態
正社員
勤務地
自宅または本社
勤務時間
スーパーフレックス制（コアタイム無し） 原則：午前9時～午後17時45分（実働7.75時間＋休憩時間 1時間）
休日
完全週休2日制（土日祝） 有給休暇（入社時付与あり／入社月に応じて1日〜10日付与） 夏季休暇（2日／原則7/1-9/30の間に取得／入社月に応じて変動あり） 年末年始休暇（12/31-1/3）
休暇（法定休暇および会社福利厚生）
年次有給休暇(初年度10日間、入社月に応じて按分付与。入社日から使用可）
給与
年俸制 経験、スキル、業績、貢献度に応じ当社規定により決定 昇給（年1回） 時間外勤務手当、深夜勤務手当、通勤交通費、WorkStyle支援金
ベネフィット
社会保険（健康保険、厚生年金、雇用保険、労災保険） 企業型確定拠出年金（401ｋ）
- About PayPay Securities / PayPay証券について
- Responsibilities / 主な担当業務:
- Tech Stack
- Preferred Qualifications / あると望ましいスキル・経験:
- The ideal candidates at PayPay Securities / PayPay証券が求める人物像
- Working Conditions
- Office Location
- Work Hours
- Holidays
- Paid leave
- Salary
- Benefits
- 待遇・条件
- 雇用形態
- 勤務地
- 勤務時間
- 休日
- 給与
- ベネフィット
Job ID:
75248
Published date:
2026-08-27
Summary
(AIG Sonpo) IT Audit Manager
About AIG
American International Group, Inc. (AIG) is a leading global insurance organization. Founded in 1919, today AIG member companies provide a wide range of property casualty insurance, life insurance, retirement products, and other financial services to customers in more than 80 countries and jurisdictions. These diverse offerings include products and services that help businesses and individuals protect their assets, manage risks and provide for retirement security. AIG common stock is listed on the New York Stock Exchange and the Tokyo Stock Exchange.
Internal Audit Group
AIG’s Internal Audit Group (IAG) provides independent and objective assurance, advice, and insight guided by a philosophy of adding value to improve the operations of AIG. IAG assists AIG in accomplishing its objectives by bringing a systematic and disciplined approach to evaluate and improve the effectiveness of AIG’s control environment including risk management, operational, financial, internal control, and governance processes.
As an Audit Manager, you will be part of IAG’s Technology Audit Team based in Tokyo covering Applications, core Infrastructure, Information Security and Change. You will collaborate with the technology business stakeholders, overseas IAG team members and other assurance teams to:
- Assist in planning and executing individual audit engagements, ensuring that inherent risks in AIG’s Technology and Security functions are identified, and that management has implemented appropriate controls to mitigate the risks.
- Monitor technology transformation initiatives, including Japan IT modernization and cloud migrations, and perform Change Reviews as needed.
- Participate in the development and execution of an annual risk-based audit plan.
- Contribute to the overall effectiveness and value of IAG by recommending and developing innovative approaches and solutions (e.g., the use of data analytics, automation, generative AI, and audit execution practices that develop agility)
What we are looking for:
IAG is seeking candidates who have excelled in previous work experience, possess strong analytical, quantitative and interpersonal skills, and are enthusiastic about and committed to AIG to contribute to IAG’s mission of being an industry leading Internal Audit team and key contributor to the achievement of the firm’s strategic goals. We are looking for candidates that are proactive, continuously learn and can introduce improved ways of doing things, both to business stakeholders in development of solutions to problems, IAG processes, including the use of data analytics.
The ideal candidates will be bold thinkers with an entrepreneurial mindset and will possess a powerful blend of IQ (technical skills, consistent learning, statistical & financial acumen) and emotional intelligence [EQ] (adaptive communication, empathy, listening skills, challenging with humility). IAG also looks for diverse backgrounds of experience, culture and thought. Successful candidates typically have a global perspective and a record of successful teamwork. You will be part of a large and diverse firm working within a team-oriented environment. You will gain a unique view of AIG, as part of planning and executing on all aspects of the audit process and risk assessment activities and will build close working relationships with business and functional leaders, colleagues across other assurance functions, and fellow team members.
Specific Responsibilities Include:
- Full audit lifecycle - plan, test controls, communicate audit results, and perform issue verification.
- Assist IAG senior management in the development and execution of a risk-based audit plan.
- Assist in managing relationships with key technology stakeholders.
- Clearly and concisely communicate audit results or other key messages to a variety of stakeholders, including senior business and audit management,
- Keep abreast of emerging industry or regulatory topics/issues that may impact audit coverage.
- Assist in continuously updating the technology business risk and control environment assessments, including key risks and controls, through periodic client meetings, ad-hoc walk throughs, and data analytics.
Qualifications
- 5-8 years of relevant audit experience (will consider relevant technology experience for candidates looking to move into a risk and control role).
- A certified professional designation (e.g., CIA, CISA, CISM, CISSP) is expected or must be obtained within the first 12 months of hire date.
- Familiarity with conducting cloud technology audits (AWS and/or GCP) is preferred.
- Cyber security audit experience is preferred.
- Good at cultivating relationships with stakeholders and within the IAG group, building trust that facilitates an open mindset and free exchange of information.
- Confidence to deliver difficult messages to auditees, and determine appropriate reporting and escalation as needed.
- Ability to thrive within a team-oriented environment while focusing on what matters most.
- Function independently and multi-task in a dynamic, changing environment.
- Strong communication (oral and written), presentation, and project management skills. Japanese / English bi-lingual skills are preferred (native in one, upper intermediate/business level in other).
- Possess and promote a culture of intellectual curiosity.
- Experience with auditing leveraging the use of data analysis tools is a plus.
- Experience working in the financial services/insurance industries a plus.
保険を再考して世界に大きな変化をもたらす
American International Group, Inc. (AIG) は、法人向け企業保険および個人保険ソリューションの世界的リーダーです。 私たちは世界で最も広範な損害賠償ネットワークの 1 つです。 私たちに加わるのはとてもエキサイティングです。私たちはビジネス全体にわたって、これまでより優れたソリューションをお客様に提供するための新しく革新的な方法を考えています。 AIG では、個人、企業、コミュニティのサポートにさらに踏み込んで、リスクの管理、不確実な時代への対応、新たな可能性の発見を支援します。 当社は、すべての人がその人らしくなりたい姿に向けて働く文化の中で、継続的な学習と能力開発を通じて、当社の最大の資産である人材に投資します。
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