[Coupang Pay] Staff Back-end Engineer (Global Payments)
Core
Building and stabilizing Coupang Pay's global payment infrastructure, including the Coupay one-touch payment system and fintech backend services for customers and sellers.
Role type
Staff back-end engineer (global payments)
Builds
Coupay payment system, Coupang Wau Card, BaaS solutions, and fintech backend for Coupang's marketplace and food delivery platforms.
Domain
Fintech, global payments, large-scale distributed systems
Required skills
Java, system design, large-scale distributed systems, algorithmic problem solving, trade-off analysis, cross-functional collaboration, ownership, rapid learning, written communication
Preferred skills
JPA, microservices architecture, payment domain experience, incident management, monitoring, agile methodologies, big data batch processing
Technologies
Java, JPA, microservices
Responsibilities
Develop and maintain the Coupay one-touch payment system; build fintech backend services; collaborate with accounting, treasury, and fintech teams; conduct code reviews to ensure high-quality code; solve complex problems to serve 10 million+ customers.
Seniority
Staff, hands-on IC with strategic impact
