Pay2Dc25d ago

02.Senior Backend Engineer

Gurugramsenior

EngineeringOtherBackend EngineeringBackend Developer

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Quick Summary

Overview

About PayPay India PayPay, a fintech company providing a service enjoyed by over 70 million users (as of July 2025) merely 7 years since its launch in 2018 in Japan.

Technical Tools

EngineeringOtherBackend EngineeringBackend Developer

PayPay, a fintech company providing a service enjoyed by over 70 million users (as of July 2025) merely 7 years 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.

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.

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.

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.

PayPay India is looking for a Senior Backend engineer to work on our payment system to deliver the best payment experience for our customers.

Responsibilities

~1 min read

→Design large scale systems with high complexity to support our high throughput applications.
→Understand how to leverage infrastructure for solving such large scale problems.
→Develop tools and contribute to open source wherever possible.
→Adopt problem solving as a way of life – always go to root cause! Support the code you write in production.
→[Extra requirements depending on the potential team it has been identified]

Requirements

~1 min read

6+ years of experience having excellent skills in Java & any other generalized programming language, such as Scala, Python, or Go.
Interest and ability to learn other coding languages as needed.
Experience with SQL and NoSQL databases, along with distributed cache.
Strong fundamentals in data structures, algorithms and object oriented programming.
In-depth understanding of concurrency and distributed computing.
Experience implementing platform components such as RESTful APIs, Pub/Sub Systems, and Database Clients.
Experience with microservices.
Experience designing high traffic systems.
Degree in Computer Engineering or Computer Science or 5+ years equivalent experience in SaaS platform development.
Business of English or Japanese　
[Extra requirements depending on the potential team it has been identified]

Requirements

~1 min read

- Experience in working for system development in finance, payment, or similar industries.
- Language ability in Japanese and English is a plus (We have a professional translator but it is nice to have language skills).
- Experience with AWS services.
- Leverage AI/LLM-based tools in daily workflows (e.g., code development, reviews, testing, debugging, documentation), while ensuring human oversight, judgment, and accountability drive the final product.
- [Extra requirements depending on the potential team it has been identified]