Staff, Back-end engineer

[Global Ops Tech] Staff, Back-end engineer (FEX)

Company Introduction

We exist to wow our customers. We know we’re doing the right thing when we hear our customers say, “How did I ever live without Coupang?” Born out of an obsession to make shopping, eating, and living easier than ever, we’re collectively disrupting the multi-billion-dollar e-commerce industry from the ground up. We are one of the fastest-growing e-commerce companies that established an unparalleled reputation for being a dominant and reliable force in South Korean commerce.

We are proud to have the best of both worlds — a startup culture with the resources of a large global public company. This fuels us to continue our growth and launch new services at the speed we have been since our inception. We are all entrepreneurs surrounded by opportunities to drive new initiatives and innovations. At our core, we are bold and ambitious people that like to get our hands dirty and make a hands-on impact. At Coupang, you will see yourself, your colleagues, your team, and the company grow every day.

Our mission to build the future of commerce is real. We push the boundaries of what’s possible to solve problems and break traditional tradeoffs. Join Coupang now to create an epic experience in this always-on, high-tech, and hyper-connected world.

Job Overview

Coupang relies on technology to provide on-time, fast delivery of products to customers every day. Fulfillment Execution (FEX) organization optimizes the real-time distribution of customer orders to FCs nationwide and supports the most efficient order fulfillment process. Building highly available and scalable systems to handle billions of order & delivery transactions and support Coupang’s rapidly growing Product Commerce business is a complex architectural challenge. We are responsible for delivering products to millions of online shopping customers by improving order reconciliation with technology. To deliver on this challenge, we are looking for an experienced and passionate engineer who can design and build large-scale, multi-tiered, distributed services.

Basic Qualifications

Bachelor’s degree and 7+ years of total experience

Design, build, deploy, and maintain the core Workflow Platform infrastructure, including Temporal, Netflix Conductor, and other distributed workflow orchestration systems

Architect and deliver highly scalable, resilient, and high-performance platform services with exceptional system design and engineering excellence

Benchmark, measure, and optimize platform performance by collecting metrics, publishing results, and driving continuous improvements in reliability, throughput, and latency

Ensure platform availability and operational excellence through observability, monitoring, alerting, incident management, and 99.995% uptime objectives

Estimate, provision, and scale infrastructure capacity to support diverse customer workloads while optimizing performance and cost efficiency

Develop and operate mission-critical backend services and distributed systems in AWS using Java, Spring Framework, and modern cloud-native practices

Investigate and resolve complex system issues, identify root causes, implement preventive measures, and continuously raise the operational excellence bar

Collaborate with cross-functional engineering teams to build open, extensible platform capabilities and deliver innovative solutions at scale

Preferred Qualifications

Lead, coach, and develop high-performing software engineers while fostering a culture of accountability, collaboration, and continuous growth

Communicate and collaborate effectively with end users, business stakeholders, and technical teams to gather requirements and deliver solutions that achieve business objectives

Drive technical design discussions and guide engineering teams through architecture, implementation, and delivery of scalable solutions

Champion Agile software engineering best practices, including coding