Backend Engineer

PayPay is seeking a Backend Engineer to enhance its payment system and deliver optimal payment experiences. This role involves designing large-scale, complex systems to support high-throughput applications and leveraging infrastructure to solve significant challenges. The engineer will develop tools, contribute to open-source projects, and adopt a problem-solving approach to identify root causes. They will also be responsible for supporting the code they write in production.

Responsibilities:

• Designing large-scale systems with high complexity.
• Leveraging infrastructure for solving large-scale problems.
• Developing tools and contributing to open source.
• Adopting problem solving as a way of life.
• Supporting the code in production.

Requirements:

• 3+ years of experience in Java or proficiency in languages like Scala, Python, or Go.
• Interest and ability to learn other coding languages.
• Experience with NoSQL databases and 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 3+ years equivalent experience in SaaS platform development.
• Business level English or Japanese.

PayPay offers:

• Hybrid workstyle with flexible remote and office options.
• Super Flex Time (no core time).
• Comprehensive benefits including social insurance, 401K, and translation support.
• VISA sponsorship and relocation support.