Senior Site Reliability Engineer

PayPay is a rapidly growing FinTech company that has amassed over 65 million users since its 2018 launch. As a Senior SRE, you'll lead a small team focused on maintaining robust observability pipeline across EKS clusters. The role combines technical leadership with hands-on engineering, requiring expertise in cloud infrastructure and observability tools.

You'll be responsible for architecting and optimizing platforms built on Victoria Metrics, OpenTelemetry, Quickwit, and ClickHouse. The position demands strong technical skills in AWS and EKS, along with the ability to mentor team members and drive continuous improvement in observability practices.

PayPay offers a flexible work environment with their "Work From Anywhere at Anytime" policy, allowing employees to work remotely from anywhere in Japan. The company provides comprehensive benefits including social insurance, 401K, and visa sponsorship for international candidates.

The ideal candidate will have 5+ years of SRE or Tech Lead experience, deep knowledge of AWS and EKS, and proficiency in languages like Python, Go, or Rust. You'll work in a diverse environment with team members from over 50 countries, contributing to PayPay's vision of creating unprecedented future solutions.

Benefits include flexible working hours, generous paid leave (14 days annual + 5 days personal), and competitive compensation with annual reviews and special incentives. The company also offers a work-from-anywhere allowance of JPY100,000 and various support systems for international employees.

This role is perfect for someone who thrives in a fast-paced environment, has a passion for reliability engineering, and wants to be part of a company that's reshaping the FinTech landscape in Japan.