[Coupang Pay] Sr. Back-end Engineer (Fintech Developer Platform)
Core
Designing and building developer platforms to support large-scale, stable financial services and payment infrastructure for Coupang Pay.
Role type
Senior IC back-end engineer (fintech platform)
Builds
High-availability payment infrastructure, developer platforms, and DevOps tooling for Coupang Pay
Domain
Fintech / Payments / Cloud Infrastructure
Deliverable
production ML models | product features | infrastructure
Required skills
Unix/Linux system design, container orchestration (Docker, Kubernetes), cloud development (AWS), multi-language proficiency (Python, Go, Java, Kotlin), large-scale system monitoring (Grafana, Loki, Prometheus), CI/CD pipeline design
Preferred skills
fintech software development, financial IT compliance, API Gateway and Service Mesh, distributed systems and microservices architecture
Responsibilities
Design and optimize platform services for Coupang Pay business, operate infrastructure handling large-scale payment traffic, design and implement high-availability and disaster recovery architectures, advance internal CI/CD and DevOps platforms, build and operate compliant platforms adhering to financial security and regulations
Seniority
Senior, hands-on IC