[Coupang Pay] Sr. Back-end Engineer [L5] (Fintech Developer Platform)

The role

This person will design and build platforms to innovate developer experience and stably operate large-scale financial services. They will work on platform services, infrastructure, and CI/CD pipelines for Coupang Pay business services.

What you will do

• Design, build and optimize platform services for Coupang Pay business services
• Operate infrastructure and platforms to stably handle large-scale payment traffic
• Design and implement high availability and disaster recovery architecture
• Advance internal standard CI/CD and DevOps platforms and establish engineering operating principles
• Build and operate platforms complying with financial security and regulatory requirements
• Collaborate with Coupang technical organizations to improve and operate fintech-optimized systems

Required qualifications

• Lv5 SW Engineer job group internal employee
• 3 or more years of backend system design and development experience in Unix/Linux environments
• Bachelor's degree or higher in Computer Science or a related field
• Experience in container and cloud environments such as Docker, Kubernetes, and AWS
• Proficiency in one or more programming languages such as Python, Go, Java, or Kotlin
• Experience in monitoring, incident response, and large-scale system operation using Grafana, Loki, or Prometheus
• Experience in designing, building and operating CI/CD pipelines

Nice to have

• Experience structurally solving complexities arising during organization and system growth
• Ability to define and solve problems based on priorities in a fast-changing environment
• Software development experience in fintech or financial services
• Understanding and practical experience in financial IT regulations and compliance
• Experience in building and operating API Gateway and Service Mesh
• Understanding and application of distributed systems, microservices architecture (MSA), and asynchronous messaging systems
• Understanding and collaboration experience in agile software development culture

Before you apply

• This posting is exclusively for internal employees
• Must complete the attached Internal Transfer Request Form
• Must submit via Coupang email address

About the company

Coupang Pay's fintech business supports Coupang customers and sellers to enjoy more value at the same cost by redefining financial services. They provide innovative payment and financial solutions to consumers, marketplace sellers, and restaurant owners.