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About PayPay PayPay is a FinTech company that has grown to over 75M (as of August 2026) users since its launch in 2018. Our team is hugely diverse with members from over 50 different countries. OUR VISION IS UNLIMITED_ We dare to believe that we do not need a clear vision to create a future beyond our imagination. PayPay will always stay true to our roots and realize a vision (future) that no one else can imagine by constantly taking risks and challenging ourselves. With this mindset, you will be presented with new and exciting opportunities on a daily basis and have the opportunity to grow and reach new dimensions that you could never have imagined. We are looking for people who can embrace this challenge, refresh the product at breakneck speed and promote PayPay with professionalism and passion. ※ 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8年でユーザー数7500万人を突破したフィンテック企業であるPayPayは約50か国の国と地域から集まった多様なメンバーで構成されています。 OUR VISION IS UNLIMITED_ 我々は自分たちの想像を超える未来を創るためにあえて明確なビジョンは必要ないと考えています。常にDay1であるスタンスを忘れずに、誰もが想像できないようなビジョン（未来）を実現していくのがPayPayです。 この壮大なビジョンに前向きに取り組み、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、自ら課題発見し、周囲と協力して新しい価値創出を共に推進する仲間を募集します。 ※ PayPay株式会社へご応募いただく際にはPayPayカード株式会社、PayPay証券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 About the Organization/Team・組織/チームについて The team you will join primarily leads projects related to the renewal of our banking systems. Our in-house engineers take the lead in driving initiatives from scratch — from initial planning and design through to hands-on coding. As a newly established team, you will have the unique opportunity to help shape our development standards and build the engineering environment together from the ground up. ※ After joining the company, you are expected to be seconded to PayPay Bank as a member of the above project. 配属先組織は、銀行システムリニューアルに関わるプロジェクトをメインに進めています。 自社エンジニアが中心となって、イチから企画・設計、さらにコーディングまで行います。新しい組織なため自分たちで開発ルールや環境を一緒に作り出すことができます。 ※入社後に上記プロジェクトメンバーとしてPayPay銀行への出向を予定しています。 Team Missions・私たちのミッション Serving as an autonomous QA organization in Product Group To improve the overall quality of PayPay products and services To develop PayPay quality standards and best practices To gain trust in quality from PayPay Users and Merchants プロダクトグループにおける独立したQA組織としての役割を担う PayPayのプロダクトおよびサービス全体の品質向上を推進する PayPayの品質基準およびベストプラクティスを策定・確立する PayPayユーザーおよび加盟店から品質に対する信頼を獲得する Job Responsibilities・役割と責任 Analyze testing requirements to develop comprehensive test scenarios for various test levels Design and create detailed test cases that validate conformance to functional and non-functional requirements Prepare and manage essential test data, tools, and environments for test execution Execute test cases and scripts, meticulously documenting results Drive quality improvement with a strong focus on test automation, while also taking ownership of comprehensive validation activities that include manual testing Log, track, and verify defects, ensuring accurate documentation and timely resolution Collect, organize, and analyze test results to provide thorough reports on all QA activities Analyze testing outcomes and recommend effective solutions for identified issues Maintain and update comprehensive test documentation, ensuring coverage for new features and robust regression testing Support knowledge management and foster collaboration by actively participating in testing discussions and contributing to continuous improvement through lessons learned Act as a Subject Matter Expert (SME) for designated modules, providing critical domain knowledge and support to the QA team Provide guidance and support to junior QA engineers, including onboarding and training Leverage AI tools such as NotebookLM, Gemini, Cursor AI, GitHub Copilot, and OpenAI APIs to accelerate test case design, automation, and exploratory testing Apply prompt engineering and RAG (Retrieval-Augmented Generation) techniques to validate LLM-driven applications, ensuring accuracy, reliability, and robustness Work with OpenAI keys, LLM models, and MCP server integrations, automating API-based interactions and securing AI workflows Test and monitor AI/ML systems for issues such as bias, drift, hallucinations, and performance deviations 各テストレベルに応じた包括的なテストシナリオを策定するため、テスト要件の分析を行います 機能要件および非機能要件への適合性を検証する詳細なテストケースの設計・作成を行います テスト実行に必要なテストデータ、ツール、環境の準備および管理を行います テストケースおよびテストスクリプトを実行し、結果を正確に記録します 自動化を中心に品質向上を推進しつつ、手動テストも含めた包括的な検証活動を担います 不具合の記録・追跡・検証を行い、正確なドキュメント化と迅速な解決を確実にします テスト結果を収集・整理・分析し、QA活動全体に関する包括的なレポートを作成します テスト結果を分析し、特定された課題に対する効果的な解決策を提案します 新機能への対応および堅牢な回帰テストを担保するため、テストドキュメントの整備・更新を行います テストに関するディスカッションへ積極的に参加し、ナレッジ共有や振り返りを通じて継続的な改善を推進します 担当モジュールにおけるSubject Matter Expert（SME）として、専門知識を活かしQAチームを支援します ジュニアQAエンジニアに対するオンボーディングやトレーニングを含め、指導・サポートを行います NotebookLM、Gemini、Cursor AI、GitHub Copilot、OpenAI APIなどのAIツールを活用し、テストケース設計・自動化・探索的テストを効率化します プロンプトエンジニアリングおよびRAG（Retrieval-Augmented Generation）手法を活用し、LLMを活用したアプリケーションの正確性・信頼性・堅牢性を検証します OpenAIのAPIキー管理、LLMモデル、およびMCPサーバー連携を扱い、APIベースのインタラクションの自動化とAIワークフローの安全性を確保します バイアス、ドリフト、ハルシネーション、性能劣化などの観点からAI／MLシステムのテストおよび監視を行います Attractiveness of This Position・本ポジションの魅力 Gain experience from the design to the introduction of a new system renewal Opportunity to collaboratively build a new organization and environment Acquire high-level planning and proposal capabilities through supporting top management's decision-making and high-level coordination with various departments and affiliated companies, including PayPay Gain frontline work experience in the industry at a company aiming to provide unprecedented financial services during a transformative period in the financial industry Ability to leverage PayPay's service and user base システムリニューアルの設計から導入まで経験できる 新しい組織・環境を一緒に作り上げることができる 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 金融業界の変革期のなかで、これまでにない金融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 PayPayのサービス・ユーザー基盤を活用できる Project Examples・プロジェクト事例 Application development for new services and improvements to existing services: ・Account opening linked with LINE, inquiry chat ・PayPay mini-app integration ・Expansion of cardless ATM usage ・Improvement of account opening processes ・Improvement of various loan services, etc. 新サービスから既存サービスの改善におけるアプリケーション開発を行います。 ・LINE連携した口座開設、問い合わせチャット ・PayPayミニアプリ連携 ・カードレスATMの利用拡大 ・口座開設処理の改善 ・各種ローンサービスの改善 など Required Experience/Skills・必要な経験/スキル Minimum 3+ years of experience in developing, executing, and maintaining automated test cases for mobile applications, web applications, and/or APIs Proven professional experience with at least one of the following automation frameworks/tools: Appium (for mobile), Playwright/Selenium (for web), or Rest-Assured (for APIs) Proficient in utilizing Cucumber for defining and executing test cases Well-versed in Continuous Integration/Continuous Deployment (CI/CD) tools such as Github actions, Bitrise, or similar platforms Basic understanding of microservices architecture and its associated testing challenges Strong ability to analyze technical requirements, design comprehensive test strategies, and create detailed, effective test cases Exceptional analytical and problem-solving skills, coupled with a meticulous attention to detail Excellent communication skills, a team-oriented mindset, and the ability to work effectively both independently and collaboratively Hands-on experience with AI productivity tools (NotebookLM, Gemini, Cursor AI, GitHub Copilot) Knowledge of OpenAI API usage, key management, embeddings, and LLM integration workflows Familiarity with MCP server concepts and their integration in test automation pipelines Understanding of AI system validation techniques, including testing for bias, hallucinations, drift, and robustness Business level of English モバイルアプリケーション、Webアプリケーション、および／またはAPIにおける自動テストケースの設計・実行・保守に関する実務経験3年以上 以下のいずれかの自動化フレームワーク／ツールを用いた実務経験：Appium（モバイル向け）、Selenium（Web向け）、Rest-Assured（API向け） Cucumberを用いたテストケースの定義および実行に関する知識・経験 Jenkins、BitriseなどのCI/CDツール、または同等のプラットフォームに関する十分な理解 マイクロサービスアーキテクチャの基礎知識およびそれに伴うテスト上の課題への理解 技術要件を分析し、包括的なテスト戦略を設計し、詳細かつ効果的なテストケースを作成する高い能力 優れた分析力および問題解決能力、ならびに細部にまで注意を払う姿勢 高いコミュニケーション能力とチーム志向を持ち、独立しても協働でも効果的に業務を遂行できる能力 AI系生産性向上ツール（NotebookLM、Gemini、Cursor AI、GitHub Copilotなど）の実務使用経験 OpenAI APIの利用、キー管理、Embedding、およびLLM統合ワークフローに関する知識 MCPサーバーの概念およびテスト自動化パイプラインへの統合に関する理解 バイアス、ハルシネーション、ドリフト、ロバストネス検証など、AIシステムのバリデーション手法に関する理解 ビジネスレベルの英語力 Preferred Qualifications/Skills・あると望ましい経験/スキル ISTQB or an equivalent QA certification Experience working in Agile or other fast-paced development environments Familiarity with the financial or payments domain is highly desirable Experience in proposing and standardizing QA processes, with a proven ability to collaborate effectively with cross-functional teams Experience in designing and executing performance tests using tools such as Gatling, wrk, or JMeter Familiarity with Docker and Kubernetes for containerization and orchestration Experience with bash or other command-line interface (CLI) scripting Coding experience in building web or mobile-based applications A strong sense of curiosity and a passion for continuously learning new technologies are definite plusses Ability to conduct business in Japanese (native-level proficiency or equivalent to JLPT N1/N2) Proven track record of integrating AI-assisted development into system design and delivery Contributions to AI-related open-source projects or automation of workflows with AI is a plus ISTQBまたは同等のQA関連資格 アジャイル開発、またはその他のスピード感のある開発環境での業務経験 金融または決済分野に関する知識・経験があれば尚可 QAプロセスの提案および標準化の経験があり、クロスファンクショナルなチームと効果的に連携できる実績 Gatling、wrk、JMeterなどのツールを用いたパフォーマンステストの設計および実行経験 DockerやKubernetesを用いたコンテナ化およびオーケストレーションに関する知識・経験 bash、またはその他のCLI（コマンドラインインターフェース）スクリプトの使用経験 Webアプリケーションまたはモバイルアプリケーションの開発におけるコーディング経験 新しい技術を継続的に学ぶことへの強い好奇心と情熱をお持ちの方は特に歓迎します 日本語での業務遂行が可能な方（母国語、または日本語能力試験N1／N2相当） AI支援開発をシステム設計およびデリバリーに統合した実績 AI関連のオープンソースプロジェクトへの貢献、またはAIを活用したワークフロー自動化の経験があれば尚可 Desired Candidate Profile・求める人物像 Individuals who can logically structure their thoughts and communicate effectively Individuals who can approach everything with a strong sense of ownership ものごとを論理的に組み立ててコミュニケーションが取れる方 当事者意識をもって何事も取り組むことができる方 PayPay 5 senses Please refer PayPay 5 senses to learn what we value at work Related position in PayPay Group PayPay Card: Backend Engineer What is differences with PayPay (Please choose the position that best aligns with your career goals, as we do not allow simultaneous applications for two positions） Working Conditions Employment Status Full Time Office Location Hybrid Workstyle ※ You will be expected to work in the office, in alignment with organizational guidelines and team objectives. LIFE in JAPAN FACTBOOK 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)/New Year's break/Company-designated Special days Paid leave Annual leave (up to 14 days in the first year, granted proportionally according to the month of employment. Can be used from the date of hire) Personal leave (5 days each year, granted proportionally according to the month of employment） ＊PayPay's own special paid leave system, which can be used to attend to illnesses, injuries, hospital visits, etc., of the employee, family members, pets, etc. Salary Annual salary paid in 12 installments (monthly) Based on skills, experience, and abilities Reviewed once a year Late overtime allowance ※Payroll payment can be changed to digital salary payment “PayPay Paycheck” for an amount set by you Benefits Social Insurance (health insurance, employee pension, employment insurance and compensation insurance) 401K Translation/Interpretation support VISA sponsor + Relocation support 待遇・条件 雇用形態 正社員 勤務地 Hybrid Workstyle ※所属組織のルールおよび業務指示に応じて出社/リモート対応頂きます。 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5時45分（実働7時間45分＋休憩時間 1時間） 休日 土日祝日、年末年始および会社指定日 休暇（法定 休暇 および会社 福利厚生） 年次有給休暇(初年度14日間、入社月に応じて按分付与。入社日から使用可） パーソナル休暇（毎年度５日間付与/初年度入社月により3日間もしくは5日間付与） ※PayPay独自の特別有給休暇制度で、本人/家族/ペットなどの病気/ケガ/通院付き添い等にご使用頂けます。 給与 年俸制（一部固定残業代含む） 経験、スキル、業績、貢献度に応じ当社規定により決定 毎年1回見直し 時間外勤務手当、深夜勤務手当有 ※給与支給について、一部をPayPayアカウントで受け取ることが可能です（給与デジタル支払いに対応） 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制度 語学学習のサポート Other Information: PayPay Inside-Out (Corporate Blog) /JP PayPay Inside-out (Corporate Blog) /ENG PayPay Product Blog /JP PayPay Product Blog /ENG PIVOT動画：【PayPayが仕掛ける金融革命】

About PayPay PayPay is a FinTech company that has grown to over 75M (as of August 2026) users since its launch in 2018. Our team is hugely diverse with members from over 50 different countries. OUR VISION IS UNLIMITED_ We dare to believe that we do not need a clear vision to create a future beyond our imagination. PayPay will always stay true to our roots and realize a vision (future) that no one else can imagine by constantly taking risks and challenging ourselves. With this mindset, you will be presented with new and exciting opportunities on a daily basis and have the opportunity to grow and reach new dimensions that you could never have imagined. We are looking for people who can embrace this challenge, refresh the product at breakneck speed and promote PayPay with professionalism and passion. ※ 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8年でユーザー数7500万人を突破したフィンテック企業であるPayPayは約50か国の国と地域から集まった多様なメンバーで構成されています。 OUR VISION IS UNLIMITED_ 我々は自分たちの想像を超える未来を創るためにあえて明確なビジョンは必要ないと考えています。常にDay1であるスタンスを忘れずに、誰もが想像できないようなビジョン（未来）を実現していくのがPayPayです。 この壮大なビジョンに前向きに取り組み、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、自ら課題発見し、周囲と協力して新しい価値創出を共に推進する仲間を募集します。 ※ PayPay株式会社へご応募いただく際にはPayPayカード株式会社、PayPay証券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 About the Organization/Team・組織/チームについて The team you will join is leading a full-scratch development project to renew our banking systems. Our in-house engineers take the lead in planning, designing, and even coding the core banking system and business logic from scratch. As it's a new organization, you can collectively help create the development rules and environment. ※ After joining the company, you are expected to be seconded to PayPay Bank as a member of the above project. 配属先組織は、銀行システムリニューアルに関わるプロジェクトをフルスクラッチ開発で進めています。 自社エンジニアが中心となって、イチから企画・設計、さらにコーディングまで行います。新しい組織なため自分たちで開発ルールや環境を一緒に作り出すことができます。 ※入社後に上記プロジェクトメンバーとしてPayPay銀行への出向を予定しています。 Background of Recruitment・募集の背景 With rapid business growth, the number of employees is also expanding rapidly, and strengthening the organizational structure for business growth is an urgent task. 事業成長に伴い、従業員数も急拡大しており、事業成長に向けた組織体制の強化が急務とされています。 Job Responsibilities・具体的な業務内容 Develop and operate backend applications in Java language (Java/Kotlin) for core banking systems Designing and developing for both performance and stability to maintain high reliability as a financial platform Understanding and implementing how to utilize infrastructure to solve system challenges Designing architecture based on application requirements and selecting middleware, etc. Performance tuning, monitoring settings, and alert response for microservices コアバンキングシステムに関連するJava言語（Java/Kotlin）でのバックエンドアプリケーションの開発と運用 金融プラットフォームとして高信頼性を維持するための性能と安定性を両立する設計と開発 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 アプリケーション要件に基づいたそアーキテクチャの設計、ミドルウェアなどの選定 マイクロサービスのパフォーマンスチューニング、モニタリング設定、アラート対応 Tech Stack We select the best combination of tech at times. | Spring Boot, JUnit, Resilience4j, Feign | MySQL/AuoraDB, DynamoDB, ELK, Kafka, Redis | Docker, Kubernetes, ArgoCD, AWS | GitHub, Gradle, Maven, npm/yarn, Flyway | PlantUML, draw.io, miro.com | Slack, Zoom, Confluence, Jira Attractiveness of This Position・本ポジションの魅力 Gain experience from the design to the introduction of a new system renewal Opportunity to collaboratively build a new organization and environment Acquire high-level planning and proposal capabilities through supporting top management's decision-making and high-level coordination with various departments and affiliated companies, including PayPay Gain frontline work experience in the industry at a company aiming to provide unprecedented financial services during a transformative period in the financial industry Ability to leverage PayPay's service and user base システムリニューアルの設計から導入まで経験できる 新しい組織・環境を一緒に作り上げることができる 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 金融業界の変革期のなかで、これまでにない金融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 PayPayのサービス・ユーザー基盤を活用できる Project Examples・プロジェクト事例 Application development for new services and improvements to existing services: ・Account opening linked with LINE, inquiry chat ・PayPay mini-app integration ・Expansion of cardless ATM usage ・Improvement of account opening processes ・Improvement of various loan services, etc. 新サービスから既存サービスの改善におけるアプリケーション開発を行います。 ・LINE連携した口座開設、問い合わせチャット ・PayPayミニアプリ連携 ・カードレスATMの利用拡大 ・口座開設処理の改善 ・各種ローンサービスの改善 など Required Experience/Skills・必要な経験/スキル 3-5 years of backend development experience Practical experience in Java. Excellent skills in other common programming languages Understanding of data structures, algorithms, and the basics of object-oriented programming Schema design in DB (RDB, NoSQL, etc.) and efficient query creation Experience in web application development and tuning, and development with security considerations English (Business level conversational proficiency) Hands-on experience with AI/LLM tools (e.g., ChatGPT, GitHub Copilot, Gemini, CodeWhisperer, or similar) in professional software development. 3~5年のバックエンド開発経験 Javaの実務経験。その他一般的なプログラミング言語の優れたスキル 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 DB（RDB、NoSQL など）におけるスキーマ設計、効率的なクエリ作成 Webアプリケーション開発・チューニング経験、セキュリティを考慮した開発 英語（ビジネスレベルでの会話が可能なレベル） ChatGPT、GitHub Copilot、Gemini、CodeWhispererなどのAI／LLMツールを活用した、プロフェッショナルなソフトウェア開発における実務経験 Preferred Qualifications/Skills・あると望ましい経験/スキル Development experience in the financial industry Experience implementing platform components such as RESTful API, Pub/Sub systems, database clients Development experience using AWS services Experience in system design, developing applications/web products handling large transactions, and applications/web products requiring scalability Experience with microservices Ability to conduct business in Japanese (native-level proficiency or equivalent to JLPT N1/N2) Proven track record of integrating AI-assisted development into system design and delivery Contributions to AI-related open-source projects or automation of workflows with AI is a plus 金融業界での開発経験 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サービスを使った開発経験 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 日本語での業務遂行が可能な方（母国語、または日本語能力試験N1／N2相当） AI支援開発をシステム設計およびデリバリーに統合した実績。 AI関連のオープンソースプロジェクトへの貢献、またはAIを活用したワークフロー自動化の経験があれば尚可 Desired Candidate Profile・求める人物像 Individuals who can logically structure their thoughts and communicate effectively Individuals who can approach everything with a strong sense of ownership ものごとを論理的に組み立ててコミュニケーションが取れる方 当事者意識をもって何事も取り組むことができる方 PayPay 5 senses Please refer PayPay 5 senses to learn what we value at work Related position in PayPay Group PayPay Card: Backend Engineer What is differences with PayPay (Please choose the position that best aligns with your career goals, as we do not allow simultaneous applications for two positions） Working Conditions Employment Status Full Time Office Location HHybrid Workstyle ※ You will be expected to work in the office, in alignment with organizational guidelines and team objectives. LIFE in JAPAN FACTBOOK 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)/New Year's break/Company-designated Special days Paid leave Annual leave (up to 14 days in the first year, granted proportionally according to the month of employment. Can be used from the date of hire) Personal leave (5 days each year, granted proportionally according to the month of employment） ＊PayPay's own special paid leave system, which can be used to attend to illnesses, injuries, hospital visits, etc., of the employee, family members, pets, etc. Salary Annual salary paid in 12 installments (monthly) Based on skills, experience, and abilities Reviewed once a year Late overtime allowance ※Payroll payment can be changed to digital salary payment “PayPay Paycheck” for an amount set by you Benefits Social Insurance (health insurance, employee pension, employment insurance and compensation insurance) 401K Translation/Interpretation support VISA sponsor + Relocation support 待遇・条件 雇用形態 正社員 勤務地 Hybrid Workstyle ※所属組織のルールおよび業務指示に応じて出社対応頂きます。 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5時45分（実働7時間45分＋休憩時間 1時間） 休日 土日祝日、年末年始および会社指定日 休暇（法定 休暇 および会社 福利厚生） 年次有給休暇(初年度14日間、入社月に応じて按分付与。入社日から使用可） パーソナル休暇（毎年度５日間付与/初年度入社月により3日間もしくは5日間付与） ※PayPay独自の特別有給休暇制度で、本人/家族/ペットなどの病気/ケガ/通院付き添い等にご使用頂けます。 給与 年俸制（一部固定残業代含む） 経験、スキル、業績、貢献度に応じ当社規定により決定 毎年1回見直し 時間外勤務手当、深夜勤務手当有 ※給与支給について、一部をPayPayアカウントで受け取ることが可能です（給与デジタル支払いに対応） 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制度 語学学習のサポート Other Information: PayPay Inside-Out (Corporate Blog) /JP PayPay Inside-out (Corporate Blog) /ENG PayPay Product Blog /JP PayPay Product Blog /ENG PIVOT動画：【PayPayが仕掛ける金融革命】

About PayPay/ PayPayについて PayPay is a FinTech company that has grown to over 75M (as of August 2026) users since its launch in 2018. Our team is hugely diverse with members from over 50 different countries. OUR VISION IS UNLIMITED_ We dare to believe that we do not need a clear vision to create a future beyond our imagination. PayPay will always stay true to our roots and realize a vision (future) that no one else can imagine by constantly taking risks and challenging ourselves. With this mindset, you will be presented with new and exciting opportunities on a daily basis and have the opportunity to grow and reach new dimensions that you could never have imagined. We are looking for people who can embrace this challenge, refresh the product at breakneck speed and promote PayPay with professionalism and passion. ※ 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8年でユーザー数7500万人を突破したフィンテック企業であるPayPayは約50か国の国と地域から集まった多様なメンバーで構成されています。 OUR VISION IS UNLIMITED_ 我々は自分たちの想像を超える未来を創るためにあえて明確なビジョンは必要ないと考えています。常にDay1であるスタンスを忘れずに、誰もが想像できないようなビジョン（未来）を実現していくのがPayPayです。 この壮大なビジョンに前向きに取り組み、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、自ら課題発見し、周囲と協力して新しい価値創出を共に推進する仲間を募集します。 ※ PayPay株式会社へご応募いただく際にはPayPayカード株式会社、PayPay証券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 At PayPay, we’re constantly working on improving our systems and processes to support PayPay’s exponential growth. As an SRE at PayPay, we strive towards ensuring high availability and top-level performance so that our users can have flawless and reliable service exceeding expectations. Considering PayPay’s growth, we are looking for experienced SREs who can deliver insights into system bottlenecks and ensure system reliability and scalability, while increasing the number of services that our company offers. We are looking for individuals who can bring informed and unique viewpoints, enjoy collaborating with a cross-functional team and are actively pushing boundaries to develop reliable and scalable solutions and positive user experiences. PayPayでは、急速な成長を支えるためにシステムやプロセスの改善に日々取り組んでいます。SREとしてユーザーの期待を超える安定した信頼性の高いサービスを提供できるよう、ハイアベイラビリティと最高レベルのパフォーマンスを確保することを目指しています。 PayPayの成長を踏まえ、システムのボトルネックを分析し、信頼性とスケーラビリティを確保しながらサービスの提供を拡大できる経験豊富なSREを募集しています。 確かな知見と独自の視点を持ち、部門横断的に様々なチームと協力しながら、信頼性と拡張性のあるソリューションやより良いユーザー体験を創出するために積極的に挑戦できる方を求めています。 Key Responsibilities Analyze current technologies used in the company and develop monitoring and notification tools to improve observability and visibility. Ensure system stability by pre-emptively verifying failure scenarios and implement solutions to reduce MTTR Develop solutions to improve system performance with a focus on high availability, scalability and resilience Integrate telemetry and alerting platforms to track and improve reliability of systems Implement industry best practices for system development, configuration management and system deployment Ensure seamless flow of information between teams by documenting knowledge gained Be up to date on modern technologies and trends to advocate for inclusion within products if they add value Participate in incident management including troubleshooting production issues, driving root cause analysis (RCA) and actively sharing lessons learned to improve system reliability and internal knowledge. 業務内容 社内で使用されている技術を分析し、可観測性と可視性を高める監視・通知ツールを開発する。 障害シナリオを事前に検証し、MTTRを短縮するためのソリューションを実装してシステムの安定性を確保する。 ハイアベイラビリティ・スケーラビリティ・レジリエンスに焦点を当てたシステム性能向上のためのソリューションを開発する。 テレメトリーやアラートプラットフォームを統合し、システムの信頼性を追跡・改善する。 システム開発、構成管理、デプロイにおける業界のベストプラクティスを実装する。 あらゆる知識を文書化し、チーム間で円滑に情報を共有する。 最新の技術やトレンドを把握し、製品に価値をもたらす場合には導入を提案する。 インシデント管理に参加し、障害対応、根本原因分析（RCA）、学習内容の共有を通じて信頼性とナレッジを向上させる。 Qualifications Experience troubleshooting, tuning high performance microservice architectures running on Kubernetes and AWS in highly available production environments. 5+ years experience in software development in Python, Java, Go, etc with strong fundamentals in data structures, algorithms, problem solving and complexity analysis. *During the selection process, you will have a coding challenge. Curious and proactive in finding performance bottlenecks, scalability and resilience problem areas and addressing them. Experience with observability tools and gathering data. Database knowledge such as RDS, NoSQL, distributed TiDB, etc. Excellent communication skills, collaborative and getting things done attitude. Enjoy taking up a challenge and driving it to conclusion. Ability to verbally communicate in both English and Japanese. 必要な経験/スキル KubernetesとAWS上で稼働するマイクロサービスアーキテクチャのトラブルシューティングやチューニングの経験。 Python, Java, Goなどを用いた5年以上のソフトウェア開発経験があり、データ構造、アルゴリズム、問題解決、複雑性分析の強力な基礎知識を持っていること。 選考過程でコーディングチャレンジがあります。 パフォーマンスボトルネックやスケーラビリティ、レジリエンスの課題を発見し解決する積極性。 監視ツールやデータ収集の経験。 RDS、NoSQL、分散型TiDBなどのデータベース知識。 優れたコミュニケーションスキルと協調性、実行力。 挑戦を楽しみ最後までやり遂げる姿勢。 英語および日本語での口頭によるコミュニケーション能力。 Preferred Qualifications Container image management and optimization. Experience in large distributed system architecture and capacity planning. Understanding of IaC, automation tools, terraform, cloud formation, etc. Background in SRE/DevOps concepts and implementation. Experience in managing monitoring tools like CloudWatch, VictoriaMetrics, Prometheus and reporting with Snowflake and Sigma. In depth knowledge of web technologies such as CloudFront, Nginx, etc. Experience in designing, implementing or maintaining disaster recovery strategies and multi-region architecture to ensure high availability, resilience, and business continuity across critical systems. Business proficiency level in both English and Japanese. あると望ましい経験/スキル コンテナイメージ管理と最適化の経験。 大規模分散システムのアーキテクチャ設計やキャパシティプランニングの経験。 IaC、Terraform、CloudFormationなどの自動化ツールの理解。 SRE/DevOpsの概念や実装経験。 CloudWatch、VictoriaMetrics、Prometheusなどの監視ツール運用経験、SnowflakeやSigmaでのレポーティング経験。 CloudFront、NginxなどのWeb技術の深い知識。 重要なシステム全体でハイアベイラビリティ、レジリエンス、ビジネス継続性を確保するための災害復旧戦略およびマルチリージョンアーキテクチャの設計、実装、または運用経験。 ビジネスレベルの日本語力と英語力。 PayPay 5 senses Please refer PayPay 5 senses to learn what we value at work. Working Conditions Employment Status Full Time Office Location Hybrid Workstyle ※ You will be expected to work in the office, in alignment with organizational guidelines and team objectives. LIFE in JAPAN FACTBOOK 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)/New Year's break/Company-designated Special days Paid leave Annual leave (up to 14 days in the first year, granted proportionally according to the month of employment. Can be used from the date of hire) Personal leave (5 days each year, granted proportionally according to the month of employment） ＊PayPay's own special paid leave system, which can be used to attend to illnesses, injuries, hospital visits, etc., of the employee, family members, pets, etc. Salary Annual salary paid in 12 installments (monthly) Based on skills, experience, and abilities Reviewed once a year Late overtime allowance ※Payroll payment can be changed to digital salary payment “PayPay Paycheck” for an amount set by you Benefits Social Insurance (health insurance, employee pension, employment insurance and compensation insurance) 401K Translation/Interpretation support VISA sponsor + Relocation support 待遇・条件 雇用形態 正社員 勤務地 Hybrid Workstyle ※所属組織のルールおよび業務指示に応じて出社対応頂きます。 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5時45分（実働7時間45分＋休憩時間 1時間） 休日 土日祝日、年末年始および会社指定日 休暇（法定 休暇 および会社 福利厚生） 年次有給休暇(初年度14日間、入社月に応じて按分付与。入社日から使用可） パーソナル休暇（毎年度５日間付与/初年度入社月により3日間もしくは5日間付与） ※PayPay独自の特別有給休暇制度で、本人/家族/ペットなどの病気/ケガ/通院付き添い等にご使用頂けます。 給与 年俸制（一部固定残業代含む） 経験、スキル、業績、貢献度に応じ当社規定により決定 毎年1回見直し 時間外勤務手当、深夜勤務手当有 ※給与支給について、一部をPayPayアカウントで受け取ることが可能です（給与デジタル支払いに対応） 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制度 語学学習のサポート Other Information: PayPay Inside-Out (Corporate Blog) /JP PayPay Inside-out (Corporate Blog) /ENG PayPay Product Blog /JP PayPay Product Blog /ENG PIVOT動画：【PayPayが仕掛ける金融革命】

About PayPay PayPay is a FinTech company that has grown to over 75M (as of August 2026) users since its launch in 2018. Our team is hugely diverse with members from over 50 different countries. OUR VISION IS UNLIMITED_ We dare to believe that we do not need a clear vision to create a future beyond our imagination. PayPay will always stay true to our roots and realize a vision (future) that no one else can imagine by constantly taking risks and challenging ourselves. With this mindset, you will be presented with new and exciting opportunities on a daily basis and have the opportunity to grow and reach new dimensions that you could never have imagined. We are looking for people who can embrace this challenge, refresh the product at breakneck speed and promote PayPay with professionalism and passion. ※ Please note that you cannot apply or be selected in parallel with PayPay Corporation, PayPay Card Corporation and PayPay Securities Corporation. Job Description PayPay's growth is driving a rapid expansion of PayPay product teams, and the need for a robust data platform that drives cutting-edge data science and powers machine learning innovations is more critical than ever in order to support our growing business needs. We are looking for a Senior Data Science Engineer or Senior Machine Learning Engineer for the Applied Insights department. Team Missions The team's primary focus is building and deploying models that directly power PayPay products, with secondary responsibility for experimentation and data-driven insights. The team drives product improvements by engineering systems founded on a scientific understanding of user and merchant behavior. The scope of work spans engineering, product science, data science, machine learning, statistical inference, optimization, and BI analytics. Responsibilities Own end-to-end design, implementation, evaluation, and maintenance of machine learning models for prediction, recommendation, anti-fraud, etc. from problem framing to production Lead architectural decisions for data science systems. Process, analyze, and visualize user and merchant data, providing data-driven insights that influence product strategy for technical and business divisions. Collaborate with data engineers, product managers, and stakeholders to build robust production systems Required Qualifications Bachelors in a quantitative field such as Computer Science, Machine Learning, Mathematics, Statistics, Economics, Physics, or equivalent Verbal and written communication skills in English. English is the primary working language for the team; Japanese is beneficial for cross-functional collaboration. More than five years of work experience as a data scientist, machine learning engineer, or equivalent role Experience in Python and SQL (any variant) Preferred Qualifications Masters or PhD in a quantitative field such as Computer Science, Machine Learning, Mathematics, Statistics, Economics, Physics, or equivalent More than seven years of experience as a data scientist, machine learning engineer, or equivalent role Experience with Big Data technologies like BigQuery, Spark, Hadoop, AWS Redshift, Kafka, or Kinesis streaming Experience with recommendation systems, deep learning, NLP, optimization, or anti-fraud systems Experience with AWS services such as Glue, SageMaker, Athena, and S3 Experience with Databricks or Snowflake Experience designing and conducting A/B and hypothesis tests Experience building and maintaining microservices Verbal and written communication skills in Japanese PayPay 5 senses Please refer PayPay 5 senses to learn what we value at work. Working Conditions Employment Status Full Time Office Location Hybrid Workstyle ※ You will be expected to work in the office, in alignment with organizational guidelines and team objectives. LIFE in JAPAN FACTBOOK 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)/New Year's break/Company-designated Special days Paid leave Annual leave (up to 14 days in the first year, granted proportionally according to the month of employment. Can be used from the date of hire) Personal leave (5 days each year, granted proportionally according to the month of employment) ＊PayPay's own special paid leave system, which can be used to attend to illnesses, injuries, hospital visits, etc., of the employee, family members, pets, etc. Salary Annual salary paid in 12 installments (monthly) Based on skills, experience, and abilities Reviewed once a year Late overtime allowance ※Payroll payment can be changed to digital salary payment “PayPay Paycheck” for an amount set by you Benefits Social Insurance (health insurance, employee pension, employment insurance and compensation insurance) 401K Translation/Interpretation support VISA sponsor + Relocation support Other Information: PayPay Inside-Out (Corporate Blog) /JP PayPay Inside-out (Corporate Blog) /ENG PayPay Product Blog /JP PayPay Product Blog /ENG PIVOT動画：【PayPayが仕掛ける金融革命】

About PayPay PayPay is a FinTech company that has grown to over 75M (as of August 2026) users since its launch in 2018. Our team is hugely diverse with members from over 50 different countries. OUR VISION IS UNLIMITED_ We dare to believe that we do not need a clear vision to create a future beyond our imagination. PayPay will always stay true to our roots and realize a vision (future) that no one else can imagine by constantly taking risks and challenging ourselves. With this mindset, you will be presented with new and exciting opportunities on a daily basis and have the opportunity to grow and reach new dimensions that you could never have imagined. We are looking for people who can embrace this challenge, refresh the product at breakneck speed and promote PayPay with professionalism and passion. ※ Please note that you cannot apply or be selected in parallel with PayPay Corporation, PayPay Card Corporation and PayPay Securities Corporation. Mission Drive teams to expand and optimize technical vision, architecture, system design, development process of systems Work with teams to answer consultations; furthermore, identify and prioritize tech debt and determine the best approach for resolving it. Realize the vision through measurable gains in system scalability and efficiency. Serve as a role model for junior engineers through mentoring and direct education. Job Description We are looking for a Principal Software Engineer to work on our various systems which need high scalability, reliability and availability. These challenges require creative thinking and a deep understanding of how software and platform work. Our ideal candidate is an ace problem solver and a learner at heart. You should have a very high degree of comfort in a programming language of your choice. We offer a flexible work schedule and you get your choice of tools (both hardware and software) and most importantly, the opportunity to work on tough problems with the brightest minds around you. So, if challenges excite you, and you're ready for a big one, let us know. Responsibilities: Design, develop, test, deploy, maintain and improve software and core platform Lead technical aspects for multiple projects through hands-on execution and guidance of other engineers Provide architectural blueprints and technical leadership. Provides input and guidance during all phases of programs to solve challenging technical issues. Build common platforms to support different business vertical application systems Develop tools and contribute to open source wherever possible Adopt problem-solving as a way of life – always go to the root cause! Experience: Solid foundation in designing, implementing, and maintaining a large-scale distributed system. Experience in developing distributed platform systems such as Messaging Platforms, Pub/Sub Systems, Databases, Distributed Computing Frameworks, and Schedulers. Tech Stack: Our technology stack may vary based on project needs. Currently, we utilize: Programming Languages: Java, Kotlin, Scala Frameworks and Tools: Spring Boot, JUnit, Resilience4j, Feign Databases: MySQL/AuroraDB, DynamoDB, ELK, Kafka, Redis, TiDB Deployment and Orchestration: Docker, Kubernetes, ArgoCD, AWS, GCP Development Tools: GitHub, IntelliJ, Gradle, Maven, npm/yarn, Flyway, Jenkins Data Analytics: BigQuery, Kibana, Spark Diagramming Tools: PlantUML, draw.io , miro.com Communication: Slack, Zoom Qualifications: Degree in Computer Engineering or Computer Science or 7+ years equivalent experience in software development Strong fundamentals in data structure, algorithm, operating system and object-oriented programming Deep understanding of concurrency, distributed computing, large-scale system, messaging and algorithm Software development experience in one or more general-purpose programming languages Interest and ability to learn new technology stacks as needed Preferred Qualifications: Experience in working for system development in finance, payment, or similar industries Experience with AWS services Contribute to open-source projects Language ability in Japanese and English is a plus (We have a professional translator but it is nice to have language skills) Portrait: Experience: Demonstrated experience designing and implementing large scale, high performance, micro-service based architectures utilizing new concepts and technologies where appropriate. Ownership: A mentoring approach to owning, managing and improving the technical aspects of a large scale system end to end. Communication : The ability to clearly and logically communicate your choice of technology and architectural decision based on its implementation strengths and limitations. Commitment : As a professional, commit to the growth and business goals of the organization and create impactful results by your ownership. Curiosity: Foster a development culture that explores new ideas knowing that we learn even from the ones that fail. PayPay 5 senses Please refer PayPay 5 senses to learn what we value at work. Working Conditions Employment Status Full Time Office Location Hybrid Workstyle ※ You will be expected to work in the office, in alignment with organizational guidelines and team objectives. LIFE in JAPAN FACTBOOK Work Hours Super Flex Time (No Core Time) In principle, 9:00am-5:45pm (actual working hours: 7h45m + 1h break) Holidays Every Sat/Sun/National holidays (In Japan)/New Year's break/Company-designated Special days Paid leave Annual leave (up to 14 days in the first year, granted proportionally according to the month of employment. Can be used from the date of hire) Personal leave (5 days each year, granted proportionally according to the month of employment） ＊PayPay's own special paid leave system, which can be used to attend to illnesses, injuries, hospital visits, etc., of the employee, family members, pets, etc. Salary Annual salary paid in 12 installments (monthly) Based on skills, experience, and abilities Reviewed once a year Late overtime allowance ※Payroll payment can be changed to digital salary payment “PayPay Paycheck” for an amount set by you Benefits Social Insurance (health insurance, employee pension, employment insurance and compensation insurance) 401K Translation/Interpretation support VISA sponsor + Relocation support Other Information: PayPay Inside-Out (Corporate Blog) /JP PayPay Inside-out (Corporate Blog) /ENG PayPay Product Blog /JP PayPay Product Blog /ENG PIVOT動画：【PayPayが仕掛ける金融革命】

About PayPay PayPay is a FinTech company that has grown to over 75M (as of August 2026) users since its launch in 2018. Our team is hugely diverse with members from over 50 different countries. OUR VISION IS UNLIMITED_ We dare to believe that we do not need a clear vision to create a future beyond our imagination. PayPay will always stay true to our roots and realize a vision (future) that no one else can imagine by constantly taking risks and challenging ourselves. With this mindset, you will be presented with new and exciting opportunities on a daily basis and have the opportunity to grow and reach new dimensions that you could never have imagined. We are looking for people who can embrace this challenge, refresh the product at breakneck speed and promote PayPay with professionalism and passion. ※ Please note that you cannot apply or be selected in parallel with PayPay Corporation, PayPay Card Corporation and PayPay Securities Corporation. Job Description We are looking for a web frontend engineer to join PayPay. You will be building features that change how people in Japan use and manage their finances and business. As a fast-paced company leading the payments industry, we need our engineers to be versatile and enthusiastic to take on new challenges in order to stay at the forefront. Responsibilities Work with Product Managers, Designers and various tech teams to implement features. Contribute to the team by sharing knowledge, participating in code reviews, and providing feedback to uphold and ensure best practices. Triage, debug, and resolve product issues. Tech Stack ｜TypeScript, JavaScript, HTML/CSS ｜Vue.js, React, NestJS, Express.js, single-spa ｜Docker, Kubernetes, ArgoCD, AWS, GH Actions, Terraform, Gatling ｜GitHub, npm/yarn, Jenkins, Webpack, Jest, i18n, Storybook ｜Sentry, Kibana, Google Analytics, Firebase, NewRelic ｜Figma, PlantUML, draw.io ｜Slack, Zoom, Confluence, Jira Required Qualifications At least 5 years of industry experience developing secure web frontend applications in JavaScript and/or other transpile-to-JavaScript languages. At least 1 year of industry experience with VueJS (preferred), or React. Software engineering best practices and computer science knowledge. Business level of English. Additional Qualifications Experience with frontend performance monitoring and optimization. Experience with iOS or Android development, either with the native toolkits or with a framework such as React Native. Experience with designing server side RESTful APIs. Experience with web hosting infrastructure such as CDNs. PayPay 5 senses Please refer PayPay 5 senses to learn what we value at work. Working Conditions Employment Status Full Time Office Location Hybrid Workstyle ※ You will be expected to work in the office, in alignment with organizational guidelines and team objectives. LIFE in JAPAN FACTBOOK Work Hours Super Flex Time (No Core Time) In principle, 9:00am-5:45pm (actual working hours: 7h45m + 1h break) Holidays Every Sat/Sun/National holidays (In Japan)/New Year's break/Company-designated Special days Paid leave Annual leave (up to 14 days in the first year, granted proportionally according to the month of employment. Can be used from the date of hire) Personal leave (5 days each year, granted proportionally according to the month of employment) ＊PayPay's own special paid leave system, which can be used to attend to illnesses, injuries, hospital visits, etc., of the employee, family members, pets, etc. Salary Annual salary paid in 12 installments (monthly) Based on skills, experience, and abilities Reviewed once a year Late overtime allowance ※Payroll payment can be changed to digital salary payment “PayPay Paycheck” for an amount set by you Benefits Social Insurance (health insurance, employee pension, employment insurance and compensation insurance) 401K Translation/Interpretation support VISA sponsor + Relocation support Other Information: PayPay Inside-Out (Corporate Blog) /JP PayPay Inside-out (Corporate Blog) /ENG PayPay Product Blog /JP PayPay Product Blog /ENG PIVOT動画：【PayPayが仕掛ける金融革命】

About PayPay PayPay is a FinTech company that has grown to over 75M (as of August 2026) users since its launch in 2018. Our team is hugely diverse with members from over 50 different countries. OUR VISION IS UNLIMITED_ We dare to believe that we do not need a clear vision to create a future beyond our imagination. PayPay will always stay true to our roots and realize a vision (future) that no one else can imagine by constantly taking risks and challenging ourselves. With this mindset, you will be presented with new and exciting opportunities on a daily basis and have the opportunity to grow and reach new dimensions that you could never have imagined. We are looking for people who can embrace this challenge, refresh the product at breakneck speed and promote PayPay with professionalism and passion. ※ Please note that you cannot apply or be selected in parallel with PayPay Corporation, PayPay Card Corporation and PayPay Securities Corporation. Job Description We are working to provide the best financial services to users in Japan. We empower PayPay product by realizing efficient, stable and optimized storage services. PayPay is looking for Cloud Platform Engineers who specialize in databases at scale on mission critical systems. Main Responsibilities Database operations, including monitoring, configuration management, upgrade, scaling, backup, and data migration. Iterate on database operations to improve quality and efficiency Troubleshoot stability and performance problems Contribute to documentation for communicating knowledge, experience and for effective decision-making Research and test new tools in database ecosystems, and adopt them in PayPay Group. Tech Stack | Python, Shell, Go, SQL, PL/SQL | Aurora, MySQL, PostgreSQL, TiDB, Redis, Valkey, DynamoDB | AWS | GitHub, Terraform, Jenkins, Ansible, Flyway | Victoria Metrics, Grafana, Prometheus | Slack, Zoom, Jira, Confluence Qualifications More than 5 years of DBA experience with a minimum of 3 years MySQL or PostgreSQL experience. More than 3 years of AWS experience in recent years Hands-on experience with Infra as Code (IaC - terraform) Interested in new technologies and willing to improve operational quality and efficiency Familiar with shell and programming language for scripting(Python, Go,...) Preferred Qualifications Experience in automating operations related to Database or AWS. Familiarity with Jenkins, Ansible, Docker, Kubernetes Working experience in a full remote environment Experience in operating distributed systems Experience working with NoSQL such as Redis, Valkey and DynamoDB Experience working with NewSQL databases (like TiDB) Experience with DBs cost reduction Experience with DBs Disaster Recovery strategies PayPay 5 senses Please refer PayPay 5 senses to learn what we value at work. Working Conditions Employment Status Full Time Office Location Hybrid Workstyle ※ You will be expected to work in the office, in alignment with organizational guidelines and team objectives. LIFE in JAPAN FACTBOOK Work Hours Super Flex Time (No Core Time) In principle, 9:00am-5:45pm (actual working hours: 7h45m + 1h break) Holidays Every Sat/Sun/National holidays (In Japan)/New Year's break/Company-designated Special days Paid leave Annual leave (up to 14 days in the first year, granted proportionally according to the month of employment. Can be used from the date of hire) Personal leave (5 days each year, granted proportionally according to the month of employment） ＊PayPay's own special paid leave system, which can be used to attend to illnesses, injuries, hospital visits, etc., of the employee, family members, pets, etc. Salary Annual salary paid in 12 installments (monthly) Based on skills, experience, and abilities Reviewed once a year Late overtime allowance ※Payroll payment can be changed to digital salary payment “PayPay Paycheck” for an amount set by you Benefits Social Insurance (health insurance, employee pension, employment insurance and compensation insurance) 401K Translation/Interpretation support VISA sponsor + Relocation support Other Information: PayPay Inside-Out (Corporate Blog) /JP PayPay Inside-out (Corporate Blog) /ENG PayPay Product Blog /JP PayPay Product Blog /ENG PIVOT動画：【PayPayが仕掛ける金融革命】

About PayPay PayPay is a FinTech company that has grown to over 75M (as of August 2026) users since its launch in 2018. Our team is hugely diverse with members from over 50 different countries. OUR VISION IS UNLIMITED_ We dare to believe that we do not need a clear vision to create a future beyond our imagination. PayPay will always stay true to our roots and realize a vision (future) that no one else can imagine by constantly taking risks and challenging ourselves. With this mindset, you will be presented with new and exciting opportunities on a daily basis and have the opportunity to grow and reach new dimensions that you could never have imagined. We are looking for people who can embrace this challenge, refresh the product at breakneck speed and promote PayPay with professionalism and passion. ※ Please note that you cannot apply or be selected in parallel with PayPay Corporation, PayPay Card Corporation and PayPay Securities Corporation. Job Description PayPay is looking for a Cloud Platform Engineer for PayPay's Cloud Based payment system. This role will be responsible for the engineering of Cloud Infrastructure Platforms to provide robust, reliable and cost-efficient Platform so that we can deliver the best experience for our growing customers base. Primary Responsibilities Architect and build a robust, scalable and stable infrastructure Architect and build Infrastructure that is easily maintainable during patching and upgrades without downtime Architect and build Infrastructure with AWS regional level failure tolerance Work together with our Security Engineers to provision a secure Infrastructure Automations for AWS Deployments to ensure fast delivery of Cloud Services to our developers Provide through Automations means for developers to easily deploy resources on AWS Tech Stack AWS: VPC, EC2, ECS, EKS, Lambda, Cloudfront, MWAA, RDS, ElastiCache, DynamoDB, Opensearch, S3, CloudWatch, Cognito, SQS, KMS, Secret Manager, KMS, MSK, SES, Transfer Family, ClientVPN, Shield, WAF, GuardDuty, IAM Identity Center, Organization, WorkSpaces, CodeCommit, CodeBuild, CodeDeploy, CodePipeline, CloudFormation and other services Terraform, Github Actions, Prometheus, Grafana, Atlantis, ArgoCD, OpenTelemetry, Wiz, Backstage Qualifications More than 5 years of technical and architectural experience in AWS-based infrastructure platforms Extensive technical hands-on experience with computing, networking, storage, and analytical services on Latest AWS Services Experience with Terraform based infrastructure as code (IAC) on AWS Experience in production level infrastructure change management and releases for high traffic & business-critical systems Experience in Cloud infrastructure and platform systems availability, performance and cost management Experience as an AWS administrator, including Multi AWS organization management, managing 50+ AWS accounts and 100+ users Strong understanding of cloud security best practices in Fintech Industry Demonstrated skill in programming and scripting languages, including Python, Shell Scripting, Go, and Rust Excellent oral, written, and interpersonal communication skills Proficiency in either English or Japanese Preferred Qualifications Certified at the AWS Professional or Specialty level Experience in payment industry compliance standards such as PCI DSS Bachelor’s degree and above in a Computer Science related field Experience with other cloud service providers (e.g GCP, Azure) Experience with Kubernetes (CKA, CKAD or CKS) Experience in AI/ML infrastructure design and operations ​​Experience using and contributing to Open Source tools Published papers / blogs / articles Bilingual in English and Japanese is nice to have, but not required JLPT Level 3 or above PayPay 5 senses Please refer PayPay 5 senses to learn what we value at work. Working Conditions Employment Status Full Time Office Location Hybrid Workstyle ※ You will be expected to work in the office, in alignment with organizational guidelines and team objectives. LIFE in JAPAN FACTBOOK 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)/New Year's break/Company-designated Special days Paid leave Annual leave (up to 14 days in the first year, granted proportionally according to the month of employment. Can be used from the date of hire) Personal leave (5 days each year, granted proportionally according to the month of employment） ＊PayPay's own special paid leave system, which can be used to attend to illnesses, injuries, hospital visits, etc., of the employee, family members, pets, etc. Salary Annual salary paid in 12 installments (monthly) Based on skills, experience, and abilities Reviewed once a year Late overtime allowance ※Payroll payment can be changed to digital salary payment “PayPay Paycheck” for an amount set by you Benefits Social Insurance (health insurance, employee pension, employment insurance and compensation insurance) 401K Translation/Interpretation support VISA sponsor + Relocation support Other Information: PayPay Inside-Out (Corporate Blog) /JP PayPay Inside-out (Corporate Blog) /ENG PayPay Product Blog /JP PayPay Product Blog /ENG PIVOT動画：【PayPayが仕掛ける金融革命】