Senior Backend Engineer

PayPay is a FinTech company with over 65M users since 2018, offering payment solutions with a diverse team from 50+ countries.
Backend
Senior Software Engineer
Remote
1,000 - 5,000 Employees
5+ years of experience
Finance

Description For Senior Backend Engineer

PayPay, a leading FinTech company in Japan with over 65M users, is seeking a Senior Backend Engineer to join their dynamic team. This role offers an exciting opportunity to work on high-throughput payment systems that serve millions of users. The position combines technical challenges with the chance to work in a diverse environment, featuring team members from over 50 different countries.

The role demands expertise in designing and implementing large-scale systems, with a focus on high complexity and performance. You'll be working with a modern tech stack including Java, Kotlin, Scala, and various AWS services, while handling distributed systems and microservices architecture. The position offers significant technical growth opportunities and the chance to contribute to open-source projects.

PayPay provides an attractive benefits package including 401K, visa sponsorship, relocation support, and comprehensive social insurance. The company embraces a flexible work culture with their "Work From Anywhere at Anytime" policy, allowing full remote work from anywhere in Japan. They offer super flex time with no core hours, generous paid leave, and annual performance-based incentives.

The ideal candidate should have 5+ years of experience in SaaS platform development or a relevant degree, strong programming skills in Java or similar languages, and experience with distributed systems and high-traffic applications. This role presents an excellent opportunity for experienced engineers looking to make an impact in the FinTech sector while working with cutting-edge technology in a multicultural environment.

Last updated 2 days ago

Responsibilities For Senior Backend Engineer

  • Design large scale systems with high complexity to support high throughput applications
  • Understand how to leverage infrastructure for solving large scale problems
  • Develop tools and contribute to open source wherever possible
  • Participate in code reviews to maintain high quality code standards
  • Support team members by providing technical guidance and design directions
  • Identify performance improvements and optimize applications
  • Collaborate with product managers and stakeholders

Requirements For Senior Backend Engineer

Java
Kotlin
Scala
MySQL
Redis
Kafka
Kubernetes
  • Excellent skills in Java, or other programming languages like Scala, Python, or Go
  • 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
  • Experience with microservices
  • Experience designing high traffic systems
  • Degree in Computer Engineering or Computer Science or 5+ years equivalent experience
  • Business level English or Japanese

Benefits For Senior Backend Engineer

401k
Visa Sponsorship
Medical Insurance
  • Social Insurance (health insurance, employee pension, employment insurance and compensation insurance)
  • 401K
  • Translation/Interpretation support
  • VISA sponsor + Relocation support
  • Super Flex Time (No Core Time)
  • Annual leave up to 14 days in first year
  • Personal leave 5 days each year

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