Senior Frontend Engineer | Relocation Offered

Senior Frontend Engineer

Tokyo, Japan

PayPay Card

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About PayPay Card

PayPay Card Corporation was established in 2021 to provide users with a FinTech service that is more accessible and convenient compared to previous credit cards and credit services, by integrating with the PayPay payment platform, which has surpassed 70 million users since its launch (as of July 2025).

We are looking for people who are passionate about refining our products at an overwhelming speed that other companies cannot match, as well as professionals who are interested in promoting the spread of cashless payments in Japan and the use of these payments as a financial life platform. Let us work together to create new value for users.

• Please note that you cannot apply or be selected in parallel with PayPay Corporation, PayPay Card Corporation and PayPay Securities Corporation.

Position

We are looking for web frontend engineers to work on the PayPay Card mini-application, and other web frontend, with a laser focus on scalability and maintainability.

PayPay Card aims at revolutionizing the credit card industry, making payment easier than ever, from two different angles:

• Bring the credit card experience to the next level: we have many functionalities in the pipe to improve our product, not to mention the integration into the PayPay ecosystem as PayPay Card is part of the PayPay Group.
• (Re-)architect our systems landscape: we want to reassess our frontend systems relevancy and update the architecture according to our product & technical roadmap. It is bundled with difficult design challenges to solve: we simply want to get it right.

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. Indeed, we strive for continuous improvement within our systems as well as outside our systems. Additionally, we value communication, to smoothly cooperate with other teams, and inclusivity, to efficiently navigate in a multicultural environment.

Responsibilities

• Work with Product Managers, Designers, and various tech teams to implement features.
• Improve the frontend architecture based on product and technical roadmap.
• Work to bring product and organization vision to life.
• Contribute to the team by sharing knowledge, participating in code reviews, and providing feedback to uphold and ensure best practices.
• Improve the product’s long term technical quality.
• Triage, debug, and resolve product issues.

Tech Stack

We currently work with

• Frontend web application:
• Main implementation is in Nuxt 3 (Vue.js 3, TypeScript)
• REST API with OpenAPI codegen
• TanStack Query and Zod are used for API handling and data validation
• Storybook is used for component visualization and UI testing
• Sentry and Google Analytics are used for error and product reporting
• CI/CD pipeline, including testing and deployment tasks, relies on GitHub Actions
• Deployment is static (AWS S3, CloudFront and Route53)
• Coding environment: GitHub, GitHub Copilot, Visual Studio Code
• Documentation & Project management: Confluence, Miro, JIRA
• Communication: Slack, Zoom, Office 365
  

Please note that PayPay Card is challenging its current architecture, potentially introducing new technologies and/or deprecating existing ones.

Your qualification

• At least 7 years of industry experience developing secure web frontend applications in JavaScript and/or TypeScript.
• At least 2 years of industry experience with VueJS (preferred) or React.
• Experience with designing frontend architecture.
• Experience with leading frontend project development.
• Software engineering best practices and computer science knowledge.
• Experience with building frontend hosting infrastructure and deployment pipelines.
• English business proficiency

Will be a plus

• Experience with launching a frontend product.
• Experience with frontend performance monitoring and optimization.
• Experience with designing and implementing server side RESTful APIs.
• Experience in Domain Driven Development
• Experience in a multicultural environment.
• Stakeholder management is welcomed.
• Japanese conversational proficiency is a plus.

What we offer

• Social Insurance (health insurance, employee pension, employment insurance and compensation insurance)
• 401K

Additional details

Employment status

• Full time

Office location

• Hybrid workstyle (flexible working style including remote and office)
• You will be expected to work both in the office and remotely, in alignment with organizational guidelines and team objectives.

LIFE in JAPAN FACTBOOK

Work hours

• Full 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 Group'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)
• Reviewed once a year
• Overtime allowance, Late overtime allowance, Commuting and transportation expenses, Work style support allowance

Benefits

• Social Insurance (health insurance, employee pension, employment insurance and compensation insurance)
• 401K

Other Information

• PayPay Inside-Out (Corporate Blog)
• JP
• ENG
• Recruiting FACTBOOK for PayPay Card
• JP
  

Engineer Developer JavaScript Frontend React Programmer Front-end TypeScript Front end Java Script Vue.js