Principal Software Engineer

Summary

Join PayPay, a rapidly growing FinTech company with a diverse team, as a Principal Software Engineer. You will design, develop, and maintain large-scale, highly reliable software systems. This role requires strong technical leadership, problem-solving skills, and experience with distributed systems. We offer a flexible work schedule, choice of tools, and the opportunity to work on challenging projects with a bright team. The ideal candidate possesses a strong foundation in computer science and significant experience in software development. We provide competitive compensation and benefits, including remote work options and various paid time off.

Requirements

• Solid foundation in designing, implementing, and maintaining a large-scale distributed system
• Experience in developing distributed platform systems such as Messaging Platforms, Pub/Sub Systems, Databases, Distributed Computing Frameworks, and Schedulers
• Degree in Computer Engineering or Computer Science or 7+ years equivalent experience in software development
• Strong fundamentals in data structure, algorithm, operating system and object-oriented programming
• Deep understanding of concurrency, distributed computing, large-scale system, messaging and algorithm
• Software development experience in one or more general-purpose programming languages
• Interest and ability to learn new technology stacks as needed

Responsibilities

• Design, develop, test, deploy, maintain and improve software and core platform
• Lead technical aspects for multiple projects through hands-on execution and guidance of other engineers
• Provide architectural blueprints and technical leadership
• Provides input and guidance during all phases of programs to solve challenging technical issues
• Build common platforms to support different business vertical application systems
• Develop tools and contribute to open source wherever possible
• Adopt problem-solving as a way of life – always go to the root cause!

Preferred Qualifications

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

Benefits

• Flexible work schedule
• Work From Anywhere at Anytime
• You can live anywhere in Japan
• Super Flex Time (No Core Time)
• In principle, 10:00am-6:45pm (actual working hours: 7h45m + 1h break)
• Every Sat/Sun/National holidays (In Japan)/New Year's break/Company-designated Special days
• 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）
• ���PayPay's own special paid leave system, which can be used to attend to illnesses, injuries, hospital visits, etc., of the employee, family members, pets, etc
• 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)
• ���Payroll payment can be changed to digital salary payment “PayPay Paycheck” for an amount set by you
• Social Insurance (health insurance, employee pension, employment insurance and compensation insurance)
• 401K
• Translation/Interpretation support
• VISA sponsor + Relocation support