Backend Engineer

Job Description

PayPay Card Corporation, established in 2021, aims to provide accessible FinTech services by integrating with the PayPay payment platform. They are seeking a Backend Engineer to build and rebuild scalable and maintainable services. The engineer will contribute to revolutionizing the credit card industry by enhancing the user experience and re-architecting systems.

The role involves collaborating with product managers and frontend engineers to design, implement, and deliver large-scale systems. The engineer will leverage infrastructure to solve large-scale problems, share knowledge, participate in code reviews, and provide feedback. They will also triage, debug, and resolve product issues, identify root causes, and support code in production.

PayPay Card values communication and inclusivity, fostering cooperation with other teams and navigating a multicultural environment.

Responsibilities:

• Support the design, implementation and delivery of large scale, and complex, systems.
• Understand how to leverage infrastructure to solve large scale problems.
• Contribute to the team by sharing knowledge, participating in code reviews and providing feedback.
• Triage, debug and resolve product issues or other incoming troubles inquiries.
• Adopt problem solving as a way of life – always go to the root cause!
• Support the code you write in production.

Requirements:

• Skills in OOP language such as C# or other JVM language, such as Scala are welcome
• Experience with RDBMS, 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 3+ years equivalent experience in SaaS platform development.
• English business proficiency

What role offers:

• Full Flex Time (No Core Time)
• Social Insurance (health insurance, employee pension, employment insurance and compensation insurance)
• 401K
• Annual leave (up to 14 days in the first year)
• Personal leave (5 days each year)