- Pay2dc
- Gurugram.India, HR
- 45 days ago
10.Frontend Engineer.
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10.Frontend Engineer: our view in 3 lines...
- The Role:This role is for a frontend engineer building payment system features for a fintech company using React or Vue and related frontend technologies.
- The Person:The person will deliver product features end to end, build reusable UI components, integrate APIs, improve performance, support production issues, and contribute to code reviews and frontend quality.
- Requirements:The ideal candidate has 4-6 years of professional frontend development experience, strong JavaScript fundamentals, solid experience in React and or Vue, and experience with Storybook, Node.js, and AWS.
About the role
About PayPay India
PayPay, a fintech company providing a service enjoyed by over 75 million users since its launch in 2018 in Japan. The company is now home to a very diverse team of members from more than 50 countries. We grew to a team of several thousand employees in Japan but are far from over. We are still in the Day 1. Every day, new members join us from all over the world to create new value and deliver it to society.
Why India ?
To build our Payment services, we got technical cooperation from Paytm (A large payment service company in India). And based on their customer-first technologies , we created and expanded the smartphone payment service in Japan. Therefore, we have decided to establish a development base in India, because it is a major IT country with many talented engineers, as evidenced by the fact that cutting-edge mobile payments can continue to be generated.
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 realise 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.
AI-First Culture at PayPay
At PayPay, we believe the future of software development is AI-augmented engineering. Every engineer is expected to actively leverage AI tools for code reviews, testing, documentation, debugging, and productivity improvements. AI is not optional — it is a mandatory part of our daily engineering workflow. Candidates must demonstrate both hands-on experience and the right mindset to integrate AI effectively into their workflow, while maintaining the engineering rigor, ownership, and problem-solving skills that only humans can provide.
Job Description
PayPay India is looking for a Frontend Engineer to work on our payment system to deliver the best payment experience for our customers.
Primary Responsibilities
- Deliver product features end-to-end: translate requirements into clean, scalable UI implementations with well-structured components and predictable data flow.
- Build reusable UI components and patterns: contribute to and extend our design system using tools like Storybook; prioritize consistency, accessibility basics, and developer ergonomics.
- Integrate APIs and handle real-world states: implement robust data fetching patterns (pagination, caching, retries), and manage loading/error/empty states with clear UX behavior.
- Write maintainable, modular code: apply good separation of concerns (presentation vs business logic vs API layer), meaningful abstractions, and clear naming; keep codebase easy to extend.
- Optimize performance and reliability: identify bottlenecks (rendering, network, bundle size), apply pragmatic improvements (memoization, debouncing, virtualization where relevant), and avoid async pitfalls (stale responses, race conditions).
- Improve engineering quality: participate actively in code reviews, raise the bar on standards, and help enforce best practices around testing strategy, i18n, and build tooling.
- Collaborate cross-functionally: work closely with PM/Design/Backend to clarify requirements, propose tradeoffs, and deliver iteratively with high ownership.
- Support operational excellence: By participating in on-call rotation and incident response, and by using observability tools such as Sentry, New Relic, and Kibana to debug production issues, measure impact, and improve system stability.
- Grow toward full-stack ownership : partner with backend teams and gradually take on BFF/API contributions using Node.js (NestJS/Express) as needed.
Tech Stack
Frontend: Typescript/Javascript , React/Vue, single-spa, Webpack, Jest, Storybook, i18n , micro-frontend
Middleware : NestJS, Express
Infra/CI: AWS, Docker, Kubernetes, ArgoCD, Terraform, GitHub Actions, Jenkins , CI/CD, BFF, Web Vital, Web Performance, Web SRE, Monitoring
Observability/Analytics: Sentry, Kibana, New Relic, Google Analytics, Firebase
Required qualifications (must-have)
- 4-6 years of professional frontend development experience.
- Strong JavaScript fundamentals.
- Solid experience in React and/or Vue.
- Proven ability to write readable, modular, production-quality code.
- Strong problem-solving skills with practical DSA (web-relevant) comfortable reasoning about time/space complexity.
- Performance awareness: can identify bottlenecks and implement pragmatic optimizations.
- Ability to do low-level design (LLD) for frontend features: break down requirements into components/modules, define interfaces, and plan implementation in milestones.
- Good communication: can explain approach and tradeoffs clearly.
- Leverage AI/LLM based tools in daily workflows ,
- Proven experience in web networking , security and hands on web change management
Preferred Qualifications
- Experience with Nest.js (routing, SSR/CSR tradeoffs, data fetching strategies).
- Experience with Node.js or API integration patterns (REST, pagination, auth flows, error handling).
- Familiarity with design systems, accessibility basics, and responsive UI patterns.
- Exposure to frontend observability (error logging, basic performance metrics).
- Experience with micro-frontends (e.g., single-spa) or large-scale frontend architectures.
What success looks like
- You can independently deliver a feature end-to-end with clean architecture and reliable async handling.
- Your code is modular, maintainable, and performance-conscious.
- You contribute to consistent UI patterns and raise team quality through reviews and collaboration.
Remarks
＊Please note that you cannot apply for PayPay (Japan-based jobs) or other positions in parallel or in duplicate.
PayPay 5 senses
- Please refer PayPay 5 senses to learn what we value at work.
　　　
