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Coupang

Sr. Staff Back-end Engineer (New Fintech Product Engineering)

Coupang
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about 2 hours ago
Seoul, Korea, South
Senior / Staff+
H1B Sponsor

Responsibilities

  • Architect, design, and implement complex, distributed, cloud-native systems.
  • Write and review production-grade code while optimizing for performance and reliability.
  • Lead by example in code quality, observability, CI/CD, and security standards.
  • Deliver mission-critical features to millions of users with rapid iteration.
  • Optimize systems for concurrency, throughput, and cost efficiency.
  • Participate in on-call rotation and drive improvements in reliability.
  • Own large-scale payment microservices and real-time APIs.
  • Guide teams to ensure cohesive and performant experiences.
  • Spearhead the adoption of best practices in distributed computing.
  • Drive the adoption of AI/ML technologies in payment workflows.
  • Stay ahead of fintech innovation by evaluating new technologies.
  • Mentor senior engineers and foster a culture of innovation.
  • Collaborate cross-functionally to shape technical vision and product strategy.

Requirements

  • Bachelor’s degree in Computer Science, Software Engineering, or a related field.
  • 12–15+ years of software engineering experience with large-scale distributed systems.
  • Deep expertise in full-stack development using Java, Go, Python, or JavaScript/TypeScript.
  • Hands-on architecture and design experience with microservices and event-driven systems.
  • Strong fundamentals in algorithms, data structures, concurrency, and system design.
  • Proven ability to deliver rapidly in fast-paced environments.

Tech Stack

GoJavaJavaScriptKubernetesPythonTypeScript

Categories

AI & MLBackendDevOpsFull Stack