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

Main Responsibilities

- 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]

Tech Stack

We select the best combination of tech at times.

Java, Kotlin, Scala

Spring Boot, JUnit, Reselience4j, Feign

MySQL/AuoraDB, DynamoDB, ELK, Kafka, Redis, TiDB

Docker, Kubernetes, ArgoCD, AWS, GCP

GitHub, IntelliJ, Gradle, Maven, npm/yarn, Flyway, Jenkins, snyk,

Bigquery, Kibana, Spark

PlantUML, draw.io, miro.com

Slack, Zoom

Qualifications

- 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.




- Solid 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]

Preferred Qualifications

- 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]

📌 Senior Backend Engineer (Gurugram)
🏢 PayPay India
📍 Gurugram