06.Site Reliability Engineer (SRE)

Reposted 12 Days Ago
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Gurugram, Haryana
In-Office
Senior level
Fintech • Payments • Financial Services
The Role
As an SRE at PayPay, you'll enhance system reliability and scalability, develop monitoring tools, improve performance, and manage incidents in a collaborative environment.
Summary Generated by Built In
 

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. 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

At PayPay, we’re constantly working on improving our systems and processes to support PayPay’s exponential growth. As an SRE at PayPay, we strive towards ensuring high availability and top-level performance so that our users can have flawless and reliable service exceeding expectations.

Considering PayPay’s growth, we are looking for experienced SREs who can deliver insights into system bottlenecks and ensure system reliability and scalability, while increasing the number of services that our company offers.

We are looking for individuals who can bring informed and unique viewpoints, enjoy collaborating with a cross-functional team and are actively pushing boundaries to develop reliable and scalable solutions and positive user experiences.

Main Responsibilities
  • Analyse current technologies used in the company and develop monitoring and notification tools to improve observability and visibility.
  • Ensure system stability by pre-emptively verifying failure scenarios and implement solutions to reduce MTTR
  • Develop solutions to improve system performance with a focus on high availability, scalability and resilience
  • Integrate telemetry and alerting platforms to track and improve reliability of systems
  • Implement industry best practices for system development, configuration management and system deployment
  • Ensure seamless flow of information between teams by documenting knowledge gained
  • Be up to date on modern technologies and trends to advocate for inclusion within products if they add value
  • Participate in incident management including troubleshooting production issues, driving root cause analysis (RCA) and actively sharing lessons learned to improve system reliability and internal knowledge.
Required Skills and Experiences
  • Experience troubleshooting, tuning high performance microservices architectures running on Kubernetes and AWS in highly available production environments.
  • 5+ years experience in software development in Python, Java, Go, etc with strong fundamentals in data structures, algorithms, problem solving and complexity analysis.
  • During the SRE selection process, you will have a coding challenge.
  • Curious and proactive in finding performance bottlenecks, scalability and resilience problem areas and addressing them.
  • Experience with observability tools and gathering data.
  • Database knowledge such as RDS, NoSQL, distributed TiDB, etc.
  • Excellent communication skills, collaborative and getting things done attitude.
  • Enjoy taking up a challenge and driving it to conclusion.
Preferred Qualifications
  • Container image management and optimization.
  • Experience in large distributed system architecture and capacity planning.
  • Understanding of IaC, automation tools, terraform, cloud formation, etc.
  • Background in SRE/DevOps concepts and implementation.
  • Experience in managing monitoring tools like CloudWatch, VictoriaMetrics, Prometheus and reporting with Snowflake and Sigma.
  • In depth knowledge of web technologies such as CloudFront, Nginx, etc.
  • Experience in designing, implementing or maintaining disaster recovery strategies and multi-region architecture to ensure high availability, resilience, and business continuity across critical systems.
  • Language ability in Japanese and English is a plus (We have a professional translator but it is nice to have language skills).
  • 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.

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.
Working Conditions Employment Status
  • Full Time
Office Location
  • Gurugram (Wework)

  ※The development center requires you to work in the Gurugram office to establish the strong core team.
   

Top Skills

AWS
Cloud Formation
Cloudfront
Cloudwatch
Go
Java
Kubernetes
Nginx
NoSQL
Prometheus
Python
Rds
Sigma
Snowflake
Terraform
Tidb
Victoriametrics
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The Company
Minato, Tokyo
1,057 Employees
Year Founded: 2018

What We Do

PayPay, a FinTech company, that achieved more than 60M users within around 5 years since its launch in 2018 has hugely diversified employees who are from about 50 different countries. The number of employees by now is more than 1,000 staff members, and yet the company is still incomplete and at a growing stage.

To build "PayPay", we allied with Paytm, the biggest payment service company in India. Based on their customer-first technologies , we created and expanded the smartphone payment service in Japan.

Our biggest competitor is "cash". We are seeking for people who can accept this challenge positively, brush up the product at a tremendous speed that other companies could never achieve, and who are passionate about promoting and spreading such a financial life platform in a short time along with professionalism.

About our working style, we had introduced a new personnel system called WFA (Working From Anywhere*). At PayPay, we work fully remotely in Japan. Therefore, the working place or your living place doesn't matter. Even if you are living in a local area, the salary and benefit package will be at an international level while you enjoy working with world class colleagues. You will find such a way of working at PayPay! *This WFA policy is applicable only within Japan

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