Staff Backend Engineer

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 are collectively disrupting the multi-billion-dollar commerce industry from the ground up and establishing an unparalleled reputation for being leading 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. Role Overview As a part of Ecommerce Engineering team, we exist for wow customer experiences, world class service excellence and hyper growing revenue. To achieve this, we build scalable & extensible architecture to support fast business growth & expansion, we create high performance & resilient backend system to handle increasing customer requests and we setup stable & fault-tolerant mechanisms to guarantee the customer experience. Creating disruptive products & resilient platforms for customers with world-class talents and cutting-edge technology is our vision and our commitment to the company. What You Will Do • Serve as a hands-on technical leader in security architecture, with deep expertise in distributed systems and open-source technologies. Design scalable, highly available systems with a strong focus on security.  • Lead the design and optimization of security and risk control modules within core systems, including but not limited to traffic risk control platforms and anti-fraud systems.  • Collaborate closely with product managers and business stakeholders to deeply understand business pain points, propose technical solutions, and drive mission-critical projects to completion.  • Lead architecture reviews and drive engineering excellence to ensure system stability and security under high-concurrency scenarios.  • Work cross-functionally with other tech teams to build platform-level security capabilities and enhance the organization’s overall risk detection and prevention systems.  Basic Qualifications • Excellent communication skills, with English reading and writing abilities.  • Strong analytical and problem-solving skills, with a passion for engineering excellence and setting high technical standards in security architecture.  • 5+ years of experience in software design and development, with a track record of building large-scale enterprise systems.  • Solid understanding of distributed systems; hands-on experience in designing and developing platforms for traffic risk control, transaction fraud detection, or account security is highly preferred.  • Ability to thrive in a fast-paced, dynamic environment and drive projects forward with efficiency.  • Bachelor’s degree in Computer Science, Engineering, or a related field.  Recruitment Process • Application Review - Job Fit Interview - Focus Interview – Offer • The exact nature of the recruitment process may vary according to the specific job and may be changed due to scheduling or other circumstances. • Interview schedules and the results will be informed to the applicant via the e-mail address submitted at the application stage. Details to Consider • This role is open to Singapore Citizens and Permanent Residents only • This job posting may be closed prior to the stated end date for application if all openings are filled. • Coupang has the right to rescind an offer of employment if a candidate is found to have submitted false information as part of the application process. • Those eligible for employment protection (recipients of veteran’s benefits, the disabled, etc.) may receive preferential treatment for employment in accordance with applicable laws. • Job titles and responsibilities may be subject to change depending on the candidate’s overall experience, etc. This will be communicated to the candidate at the appropriate time before the offer. • Hiring may be restricted in case the legal qualifications required for hiring and work performance is not met. Privacy Notice Your personal information will be collected and managed by Coupang as stated in the Application Privacy Notice located below. https://privacy.coupang.com/en/land/jobs/