Senior Staff Backend Engineer

About this role

<p><strong><span data-contrast="auto">Please complete </span></strong><strong><span data-contrast="auto">the attached </span></strong><a href="https://coupang.service-now.com/sp?id=kb_article&sysparm_article=KB0010204"><strong><span data-contrast="none"><span data-ccp-charstyle="Hyperlink">Internal Transfer Request Form</span></span></strong></a><strong><span data-contrast="auto"> and submit.</span></strong><strong><span data-contrast="auto"> </span></strong><span data-ccp-props="{"134233279":true,"134245417":false,"335559738":240,"335559739":240}"> </span></p> <p><strong><span data-contrast="auto">Please make sure to </span></strong><span style="text-decoration: underline;"><strong><span data-contrast="auto">apply with your Coupang e-mail address</span></strong></span><strong><span data-contrast="auto">.</span></strong><strong><span data-contrast="auto"> </span></strong><span data-ccp-props="{"134233279":true,"134245417":false,"335559738":240,"335559739":240}"> </span></p> <p><span data-contrast="auto"> </span></p> <p><span data-contrast="none">We exist to wow our customers. We know we’re doing the right thing when we hear our customers say, “How did we 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.  </span><span data-ccp-props="{"134233117":false,"134233118":false,"335559738":240,"335559739":240}"> </span></p> <p><span data-contrast="none">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.  </span><span data-ccp-props="{"134233117":false,"134233118":false,"335559738":240,"335559739":240}"> </span></p> <p><span data-contrast="none">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. </span><span data-ccp-props="{"134233117":false,"134233118":false,"335559738":240,"335559739":240}"> </span></p> <p><strong><span data-ccp-props="{"134233117":false,"134233118":false,"335559738":240,"335559739":240}">Role Overview</span></strong></p> <p>As part of our Application Infrastructure org, this is a greenfield team that will impact complex Coupang workflow systems. We need to create a set of systems that will allow rapid workflow development for hundreds of domain teams, allowing critical infrastructure like rocket delivery service. It is a highly visible system with hundreds of millions of dollars of revenue flowing through the systems. It is a chance to design from scratch, and create a reliable workflow service at scale.</p> <p>We are looking for a visionary Senior Staff Software Engineer to lead the architectural design and implementation of our next-generation durable execution platform. This team is tasked with building a highly scalable, fault-tolerant system from scratch that enables developers to write long-running, reliable workflows as code.</p> <p>At Coupang, we Aim High and Find a Way to solve impossible problems. You will be responsible for building a system that doesn't just meet industry standards but sets them, ensuring 5-6 nines availability while leveraging AI to automate complex system behaviors and self-healing capabilities</p> <p><strong>What You Will Do</strong></p> <ul> <li>Architect from Zero<strong>:</strong> Lead the end-to-end design of a distributed workflow engine. You will Build the Best Team and Help Them Grow by setting the gold standard for architectural integrity and high-performance code.</li> <li>Define Extreme Availability<strong>:</strong> Design for "5-6 nines" (99.9999% availability). You will Dive Deep into the tail latencies and edge cases of distributed state management to ensure our platform is always on for our…