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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_…
Build and maintain the core banking backend in C and Java, designing high-performance, reliable microservices for a rapidly growing fintech platform with 70M+ users.
Build and operate PayPay’s AWS-based data infrastructure using Terraform and Databricks, ensuring reliability, security, and smooth data workloads for the fintech platform.
Leads financial planning and analysis for PayPay’s fintech growth, building budgets, forecasts, and management reports while driving profitability and strategic initiatives in a hybrid role.
Designs banking apps and services for PayPay Bank, focusing on user experience across mobile, web, and mini-apps using Figma and Adobe tools.
Designs banking experiences for PayPay Bank’s 10M+ users, leading UX/UI for apps, web, and mini-apps while collaborating with product managers and engineers to ship features and improve user journeys.
PayPay, Japan's QR-code payment fintech, is hiring a UX Writer to create and proofread clear English microcopy for its app, collaborating with designers, PMs, and engineers in a hybrid workstyle. Requires native-level English, strong Japanese, and experience in JP-EN translation/localization or English UX/content writing.
Designs and executes automated and manual tests for PayPay’s fintech apps and APIs, using tools like Appium, Playwright, and AI assistants to ensure quality and reliability of banking and payment systems.
Build and run Java/Kotlin backend services for PayPay’s core banking platform, designing scalable microservices on AWS with Spring Boot, Kafka, and Redis while ensuring high reliability for a 70M-user fintech app.
Build and deploy machine learning systems that power financial services for PayPay’s 70M users, using Python, cloud platforms, and MLOps to deliver scalable AI solutions in a fintech domain.
Designs and improves internal security controls for a fast-growing fintech platform running on AWS, guiding teams on secure development and assessing risks across cloud and software.
PayPayについて/About PayPay 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。 AIを含む最新技術とデータを駆使し、圧倒的なスピードでサービス開発と事業成長を実現します。…
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.…
Designs and maintains highly available, scalable microservices on Kubernetes and AWS to ensure flawless FinTech service for 70M+ users, using observability tools and incident response.
Senior Product Manager at PayPay drives high-impact fintech product strategy, monetization, and execution for 70M+ users, collaborating with cross-functional teams in a hybrid Japan-based role.
Senior Data Science Engineer or Senior Machine Learning Engineer at PayPay builds and deploys ML models for fraud detection, recommendations, and insights, using Python, SQL, and cloud tools in a hybrid Tokyo office.
Lead the development of financial products at a fast-growing Japanese fintech company, collaborating with engineers and designers to build and improve banking features for 70M+ users.
Own the end-to-end product lifecycle for banking operations at PayPay Bank, redesigning processes like account opening and KYC to improve efficiency, compliance, and user experience.
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SoftBank Vision Fund