paypay
Backend Engineer
You will develop and operate backend applications for a next-generation core banking system using C and Java. You will design reliable, stable, and high-performing systems; select architecture and middleware; apply…
Cloud Platform Engineer
You will architect and build robust, scalable, stable, and cost-efficient AWS infrastructure for a cloud-based payment system. You will design infrastructure that supports maintenance, patching, upgrades, and regional…
Cloud Platform Engineer DB Specialist
You will operate and improve database services for mission-critical systems. You will monitor, configure, upgrade, scale, back up, and migrate databases; troubleshoot stability and performance issues; document…
Customer Support Business Transformation Planning Specialist
You will redesign merchant and user customer-support operations with AI assistance. You will identify suitable AI use cases from inquiry data and workflows, design AI-enabled processes and automation, define KPIs,…
Data Engineer
You will design, build, and operate scalable data ingestion, processing, integration, governance, and lakehouse platforms. You will improve performance, cost efficiency, reliability, observability, and security while…
Data Infrastructure Engineer
You will design, build, and manage AWS infrastructure with Terraform and Infrastructure as Code practices. You will operate Databricks workspaces, develop platform services and tooling, and improve reliability through…
Frontend Engineer
You will build web features that change how people use and manage their finances and business. You will work with product managers, designers, and technical teams to implement features. You will share knowledge, review…
Full Stack QA Engineer
You will develop test scenarios and detailed test cases for functional and non-functional requirements across mobile, web, and API products. You will prepare test data, tools, and environments; execute automated and…
Principal Software Engineer
You will design, develop, test, deploy, maintain, and improve software and core platforms. You will lead the technical execution of multiple projects, provide architectural direction, solve complex technical issues,…
Product Designer
You will design end-to-end user experiences for PayPay Bank consumer and corporate apps, web services, and mini-apps. You will collaborate with product managers, engineers, and senior designers to develop new features…
Product Manager
You will work closely with engineers and product designers to develop new features and improve existing banking services with a user-first approach. You will translate business requirements into detailed product…
Senior Data Science Engineer / Senior Machine Learning Engineer
You will own the end-to-end design, implementation, evaluation, and maintenance of production machine learning models for prediction, recommendation, and anti-fraud use cases. You will lead architectural decisions,…
Site Reliability Engineer Bilingual SRE
You will improve the reliability, availability, scalability, resilience, and performance of production systems. You will develop monitoring and notification tooling, integrate telemetry and alerting platforms,…
UX Writer
You will work under the support of a Senior UX Writer and collaborate with engineers, product managers, and designers. You will create, edit, proofread, and propose clear, user-friendly Japanese UX copy for app and…
Cloud Infrastructure Engineer
About PayPay Securities PayPay is a FinTech company that has surpassed 69 million users (as of May 2025) in 6 years since its launch in 2018, is rapidly expanding its business scale as a payment platform used by…