Senior Backend Engineer

The role

Senior backend engineers will build or rebuild scalable and maintainable services. They will design complex systems, manage stakeholders, and mentor team members.

What you will do

• Design, support the implementation and deliver large scale, and complex, systems
• Manage teams stakeholders such as product managers or frontend engineers but also other team leads or non-tech stakeholders
• Leverage the infrastructure to solve such 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

Required qualifications

• Experience in any OOP based language e.g Kotlin, Java, C#, Scala etc.
• 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
• Degree in Computer Engineering or Computer Science or 5+ years equivalent experience in SaaS platform development
• Business level proficiency in English or Japanese

Nice to have

• Experience with Java/Spring Boot framework
• Experience with implementing platform components such as RESTful APIs, Pub/Sub Systems, Database Clients
• Experience in system design for high traffic application with scalability in mind
• Experience with microservices & event-driven architecture
• Experience gRPC communication design and implementation
• Experience in a multicultural environment
• Japanese conversational proficiency is a plus
• Knowledge of Domain Driven Design (DDD)
• Experience with gRPC and Kafka development
• Experience working in a global environment

Benefits

• Annual leave (up to 14 days in the first year, granted proportionally according to the month of employment)
• Personal leave (5 days each year, granted proportionally according to the month of employment)
• PayPay Group's own special paid leave system
• Overtime allowance
• Late overtime allowance
• Commuting and transportation expenses
• Social Insurance (health insurance, employee pension, employment insurance and compensation insurance)
• 401K

Before you apply

• You cannot apply or be selected in parallel with PayPay Corporation, PayPay Card Corporation and PayPay Securities Corporation

About the company

PayPay Card Corporation was established in 2021 to provide users a FinTech service that is more accessible and convenient compared to previous credit cards and credit services, by integrating with the PayPay payment platform.