Senior Backend Engineer
Description For Senior Backend Engineer
PayPay Card Corporation, established in 2021, is revolutionizing the credit card industry in Japan by integrating with the PayPay payment platform, which serves over 66 million users. As a Senior Backend Engineer, you'll be at the forefront of building and rebuilding scalable, maintainable services that power next-generation payment solutions.
The role focuses on two main angles: elevating the credit card experience through new functionalities and PayPay ecosystem integration, and re-architecting systems to deliver exceptional user experiences. You'll work with modern technologies including Spring Boot, Java 17, and AWS services, while contributing to a fast-paced, multicultural environment.
Key responsibilities include designing large-scale systems, managing stakeholders, mentoring team members, and maintaining high-quality standards. The position requires strong expertise in Java, Spring Boot, distributed systems, and microservices architecture, with experience in high-traffic system design.
The company offers an attractive benefits package including flexible working hours, comprehensive social insurance, 401K, and various allowances. Working in Tokyo with hybrid options, you'll join a dynamic team committed to transforming financial services in Japan. This is an excellent opportunity for experienced engineers passionate about FinTech innovation and creating impactful solutions at scale.
Responsibilities For Senior Backend Engineer
- Design, support the implementation and deliver large scale, and complex systems
- Manage teams stakeholders such as product managers or frontend engineers
- Leverage the infrastructure to solve large scale problems
- Acts as a gatekeeper to the team quality standard
- Triage, debug and resolve product issues or other incoming inquiries
- Mentor other team members and safeguard the team quality standards
Requirements For Senior Backend Engineer
- Excellent skills in Java and Spring Boot
- Experience with RDBMS 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 and event-driven architectures
- Experience designing high traffic systems
- Degree in Computer Engineering or Computer Science or 5+ years equivalent experience in SaaS platform development
- English business proficiency
Benefits For Senior Backend Engineer
- Full Flex Time (No Core Time)
- Annual leave up to 16 days in first year
- Social Insurance (health insurance, employee pension, employment insurance and compensation insurance)
- 401K
- Overtime allowance
- Late overtime allowance
- Commuting and transportation expenses
- Work style support allowance
- Special Incentive once a year
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