Coupang

Staff Backend Engineer

Coupang
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12 hours ago
Bengaluru, IndiaStaff+

Responsibilities

  • Serve as technical lead for demanding cross-functional projects involving Inventory and Promise.
  • Design and architect new microservices and machine learning pipelines.
  • Decompose complex problems into straightforward, scalable solutions.
  • Build and operate high-performance, reliable distributed systems.
  • Conduct code reviews and identify correctness, performance, and reliability issues.
  • Mentor engineers and support career development across the technical community.
  • Influence architecture and technical direction across multiple teams.

Requirements

  • 8+ years of experience designing and operating high-scale distributed systems with strict latency and reliability requirements.
  • Excellent hands-on coding ability in Java or a similar language for backend systems at scale.
  • Deep understanding of API design, concurrency, data modeling, caching, messaging, and service-to-service communication.
  • Experience with production systems handling high QPS, large data volumes, or Tier-1 SLAs.
  • Experience with Kafka-based event-driven architectures and multi-region systems.
  • Experience with resilience engineering, including circuit breakers, retries, load testing, capacity planning, and graceful degradation.
  • Track record of technical leadership, architecture direction, cross-team alignment, and mentoring senior engineers.
  • Preferred experience in ecommerce, fulfillment, supply chain, logistics, inventory, order management, or planning systems.
  • Preferred experience with optimization systems such as CPLEX, OR-Tools, decision engines, constraint programming, or data-science-integrated production systems.
  • Preferred experience using agentic AI development and code-review tools such as Cursor, Copilot, Devin, or Claude Code.
  • Preferred experience with specification-driven development using OpenAPI, Swagger, Protocol Buffers, API-first design, or contract-first development.

Benefits

  • Hybrid work model with at least three days in the office per week and flexibility to work from home two days per week, depending on role requirements.

Tech Stack

Categories

Coupang

About Coupang

5,001-10,000 employees

Coupang builds and operates a South Korea–focused e-commerce marketplace with an end-to-end logistics network (Rocket Delivery), plus food delivery, video streaming, and fintech under brands such as Coupang, Eats, and Play. Revenue comes from first-party retail, third-party marketplace services, advertising, and memberships (Rocket WOW). Founded in 2010, the company is headquartered in Seattle and is publicly listed on the NYSE (CPNG).

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