02.Senior Backend Engineer
PayPay India2 months ago
Gurgaon, IndiaSenior
Responsibilities
- Design large-scale systems with high complexity for high-throughput applications.
- Leverage infrastructure to solve large-scale engineering problems.
- Develop tools and contribute to open source where possible.
- Investigate root causes and support the code written in production.
- Use AI tools for code reviews, testing, documentation, debugging, and productivity improvements.
Requirements
- 6+ years of experience with excellent Java skills and another general-purpose programming language such as Scala, Python, or Go.
- Ability and interest in learning additional programming languages as needed.
- Experience with SQL and NoSQL databases and distributed caching.
- Strong fundamentals in data structures, algorithms, and object-oriented programming.
- In-depth understanding of concurrency and distributed computing.
- Experience implementing RESTful APIs, pub/sub systems, database clients, microservices, and high-traffic systems.
- A degree in Computer Engineering or Computer Science, or 5+ years of equivalent experience in SaaS platform development.
- Business-level English or Japanese ability.
- Preferred experience in finance, payment, or similar industries.
- Preferred experience with AWS services and daily use of AI/LLM-based tools for development, reviews, testing, debugging, and documentation.
- Japanese and English language ability is a plus.
Tech Stack
Amazon DynamoDBApache KafkaApache SparkAWSDockerFlywayGoGoogle BigQueryGoogle Cloud PlatformGradleJavaJenkinsJUnitKibanaKotlinKubernetesMavenMySQLnpmPythonRedisScalaSpring BootYarn
Categories
About PayPay India
PayPay India develops software for PayPay Corporation’s smartphone payment platform in Japan, covering QR-code payments and related fintech services for consumers and merchants. Established in 2022 in Gurugram as PayPay’s second development center, it collaborates with teams in Japan and Canada and draws on technical ties with Paytm. The platform serves a nationwide user base in Japan and monetizes primarily through merchant acceptance fees and financial services.