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Manager, Backend Engineering (New Fintech Product)

Seoul💼 Full-time🗓 2026-07-29 → 2026-09-26

Core

Leading the new payment service development organization and driving the design and development of a next-generation payment platform for Coupang's fintech ecosystem.

Role type

Senior IC backend engineering manager (payments/fintech)

Builds

Next-generation payment platform supporting online and offline transactions, payment authentication, settlement, and merchant integration for Coupang.com and Coupang Eats.

Domain

Fintech / Payments / Banking as a Service (BaaS)

Deliverable

production ML models | product features | infrastructure

Required skills

Software architecture design, team leadership, stakeholder collaboration, critical system issue analysis, JPA, microservices architecture (MSA), Java, Spring, Kotlin

Preferred skills

Computer science degree, payment/fintech domain experience, large-scale global system architecture, AWS, Kubernetes, Spark, Hadoop, Cassandra, Kafka, Airflow, agile methodology, big data processing

Technologies

Java, Spring, Kotlin, JPA, MSA, AWS, Kubernetes, Spark, Hadoop, Cassandra, Kafka, Airflow

Responsibilities

Lead new payment service development organization and establish technical strategy and roadmap; Drive design and development of next-gen payment platform; Collaborate with Product, Business, and stakeholders to launch new services; Design and enhance scalable system architecture for high-traffic environments; Develop and operate core payment infrastructure; Establish operational systems for stability, performance, and security; Build high-performing development organizations by mentoring backend engineers and engineering leaders

Seniority

Senior, hands-on IC with management responsibilities

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