PayPay Corporation is hiring a
Senior Backend Engineer

Summary

Join PayPay as a Senior Backend Engineer to work on our payment system and deliver the best payment experience for our customers. Design large scale systems, develop tools, contribute to open source, support code, participate in code reviews, identify performance improvements, collaborate with stakeholders, and more.

Requirements

• Excellent skills in Java, or any other generalized programming language, such as Scala, Python, or Go
• Interest and ability to learn other coding languages as needed
• 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, and Database Clients
• Experience with microservices
• Experience designing high traffic systems
• Degree in Computer Engineering or Computer Science or 5+ years equivalent experience in SaaS platform development
• Business of English or Japanese

Responsibilities

• Design large scale systems with high complexity to support our high throughput applications
• Understand how to leverage infrastructure for solving such large scale problems
• Develop tools and contribute to open source wherever possible
• Adopt problem solving as a way of life – always go to the root cause!
• Support the code you write in production
• Participate in code reviews to maintain high quality code standards and ensure security/data protection measures
• Support team members by providing technical guidance and design directions
• Constantly identify performance improvements and optimize the application for maximum speed and scalability
• Collaborate with product managers ands other stakeholders to gather requirements and deliver features on time

Preferred Qualifications

• Experience in working for system development in finance, payment, or similar industries
• Language ability in Japanese and English is a plus (We have a professional translator but it is nice to have language skills)
• Experience with AWS services

Benefits

• Employment Status: Full Time
• Office Location: WFA(Work From Anywhere at Anytime) / Remote Job
• Work Hours: Super Flex Time (No Core Time)
• Holidays: Every Sat/Sun/National holidays (In Japan)/New Year's break/Company-designated Special days
• Paid leave. - Annual leave (up to 14 days in the first year, granted proportionally according to the month of employment. Can be used from the date of hire) - Personal leave (5 days each year, granted proportionally according to the month of employment）
• Salary: Annual salary paid in 12 installments (monthly) - Based on skills, experience, and abilities - Reviewed once a year - Special Incentive once a year *Based on company performance and individual contribution and evaluation - Late overtime allowance, Work from anywhere allowance (JPY100,000)
• Benefits: Social Insurance (health insurance, employee pension, employment insurance and compensation insurance) - 401K - Translation/Interpretation support - VISA sponsor + Relocation support