Company Introduction 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 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 at since our inception. We are all entrepreneurial 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 The Global Operations Tech (GOT) organization is responsible for the systems that enable Coupang to reliably deliver to customers within hours of orders being placed. GOT is on a mission to innovate logistics by building an efficient delivery network at breakthrough scale and speeds. As a Senior Staff Backend Engineer in GOT, you will leverage advanced algorithms to improve Coupang’s customer experience by ensuring ultra-fast deliveries are on time even during the busiest times of the year. We are looking for a Scientist that can drive the direction of technology across multiple teams, leverage deep industry knowledge and use statistical and machine learning techniques to bring value to customers. The ideal candidates are pragmatic, resourceful, and embrace challenges that are seemingly impossible. The ideal candidates also have rich industry experience and a track record of delivering highly impactful projects.   What You Will Do <ul> <li>Develop algorithms, simulation and systems at scale to improve warehouse, fulfillment centers, supply chain and\or transportation systems</li> <li>Expertise in Data Science, ML Ops and ML system design. Own and scale production-grade systems.</li> <li>Collaborate closely with the Operations and Product team to understand key business needs and formulate rigorous mathematical problems.</li> <li>Design features and build large-scale models and systems to improve network flow efficiency, for both inbound and outbound traffic.</li> <li>Effectively lead projects across teams and mentor team members.</li> </ul>   Basic Qualifications <ul> <li>Bachelors or Masters degree in a quantitative discipline: computer science, statistics, engineering, or equivalent.</li> <li>7+ years of hands-on experience in building end-to-end systems and in ML Ops, including exploratory data analysis, feature engineering, sampling, model training with ensemble learning and/or deep learning, model validation, testing, serving, deployment and monitoring.</li> <li>Strong coding skills in Python or Java. Experience in data analysis with SQL, Numpy, Pandas. Proficient in toolings like Docker, Container, Kubernetes, AWS, Spark, Hive, Cassandra, Redis, Kafka, TensorFlow, Pytorch, Airflow, numpy, pandas, CI/CD.</li> <li>Excellent written and verbal communication skills while addressing both technical and business people; ability to speak at a level appropriate for the audience. The ideal candidate should be able to present business cases, and document models, analyses, and results to influence important decisions.</li> <li>Ability to deal with ambiguity in business and technology.</li> <li>Ability to work in a multicultural, cross functional team.</li> </ul>   Preferred Qualifications <ul> <li>7+ years of hands-on experience in building and owning production-grade data systems, from ETL jobs to feature stores, to model training, deployment and monitoring.</li> <li>Experience in supply chains, transportation and logistics, and network optimization models.</li> </ul>   Recruitment Process and Others Recruitment Process <ul> <li>Application Review - Phone Interview - Onsite (or Virtual Onsite) Interview – Offer</li> <li>The exact nature of the recruitment process may vary according to the specific job and may be changed due to scheduling or other circumstances.</li> <li>Interview schedules and the results will be informed to the applicant via the e-mail address submitted at the application stage.</li> </ul> Details to Consider <ul> <li>This job posting may be closed prior to the stated end date for application if all openings are filled.</li> <li>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.</li> <li>Coupang does not discriminate against disabled applicants or those with veteran status. We are proud to offer equal opportunities for all applicants.</li> <li>Hiring may be restricted in case the legal qualifications required for hiring and work performance is not met.</li> <li>This is a full-time regular position and includes 12 weeks of probation period; provided, however, the probationary period may be either skipped, shortened or extended if necessary for business purposes.</li> </ul> Privacy Notice <ul> <li>Your personal information will be collected and managed by Coupang as stated in the Application Privacy Notice is located below.</li> <li><a href="https://privacy.coupang.com/en/land/jobs/">https://privacy.coupang.com/en/land/jobs/</a></li> </ul> Document Return Policy <ol> <li>This notification is given pursuant to Article 11 (6) of the Fair Hiring Procedure Act.</li> <li>A job applicant, who has applied but not been finally selected for a position at Coupang (the “Company”), may request the Company to return his/her hiring documents submitted pursuant to the Fair Hiring Procedure Act. However, this will not apply where the hiring documents were submitted via the website of the Company or e-mail, or where the job applicant submitted those documents voluntarily without a request from the Company. In addition, if the hiring documents were destroyed due to a natural disaster or any other reasons not attributable to the Company, such documents will be deemed to have been returned to the job applicant.</li> <li>A job applicant who wishes to request the return of his/her hiring documents pursuant to the main sentence of paragraph 2 above should fill out a “Request for Return of Hiring Documents” [Annex Form No. 3 in the Enforcement Rule of the Fair Hiring Procedure Act] and submit It by email (recruitingops@coupang.com). In such case, within fourteen (14) days from the date of identifying the receipt of the request, the Company will send the hiring documents to the job applicant’s designated address via registered mail. Please be informed that the job applicant is required to pay the postage on the registered mail.</li> <li>In preparation for a job applicant’s request for the return of hiring documents pursuant to the main sentence of paragraph 2 above, the Company shall retain the original hiring documents submitted by the job applicant for 180 days from the completion of the recruiting process. If no request is made until the end of this period, all his/her hiring documents will be destroyed immediately in accordance with the Personal Information Protection Act.</li> <li>The above paragraphs 1 - 4 shall only apply when the labor-related laws of Korea govern the application. They are otherwise not applicable.</li> </ol>   전형 절차 및 안내 사항 <ul> <li>전형 절차 <ul> <li>서류전형 - 전화면접 - 대면면접 – 최종 합격</li> <li>전형 절차는 직무별로 다르게 운영될 수 있으며, 일정 및 상황에 따라 변동될 수 있습니다.</li> <li>전형 일정 및 결과는 지원서에 등록하신 이메일로 개별안내드립니다.</li> </ul> </li> <li>참고 사항 <ul> <li>본 공고는 모집 완료 시 조기 마감될 수 있습니다.</li> <li>지원서 내용 중 허위사실이 있는 경우에는 합격이 취소될 수 있습니다.</li> <li>취업 보호 대상자(보훈대상자, 장애인 등)는 관련 법률에 따라 채용우대를 받을 수 있습니다.</li> </ul> </li> <li>개인정보 처리방침 <ul> <li>쿠팡 그룹은 입사지원자 개인정보 처리방침(아래 링크)에 따라 귀하의 개인정보를 수집하여 처리합니다. <a href="https://www.coupang.jobs/kr/privacy-policy/">https://www.coupang.jobs/kr/privacy-policy/</a></li> </ul> </li> <li>서류 반환 정책 <ul> <li>본 고지는 『채용절차의 공정화에 관한 법률』 제11조 제6항에 따른 것입니다.</li> <li>당사 채용에 응시한 구직자 중 최종합격이 되지 못한 구직자는 『채용절차의 공정화에 관한 법률』에 따라 제출한 채용서류의 반환을 청구할 수 있음을 알려 드립니다. 다만, 홈페이지 또는 전자우편으로 제출된 경우나 구직자가 당사의 요구 없이 자발적으로 제출한 경우에는 그러하지 아니하며, 천재지변이나 그 밖에 당사에게 책임 없는 사유로 채용서류가 멸실된 경우에는 반환한 것으로 봅니다.</li> <li>위 2항 본문에 따라 채용서류 반환 청구를 하는 구직자는 채용서류 반환청구서[채용절차의 공정화에 관한 법률 시행규칙 별지 제3호 서식]를 작성하여 당사 이메일( <a>recruitingops@coupang.com </a>)로 제출하면, 제출이 확인된 날로부터 14일 이내에 지정한 주소지로 등기우편을 통하여 발송해 드립니다. 이 경우 등기우편요금은 수신자 부담으로 하게 되오니 유념하시기 바랍니다.</li> <li>당사는 위 2항 본문에 따른 구직자의 반환 청구에 대비하여 채용 여부가 확정된 날로부터 180일간 구직자가 제출한 채용서류 원본을 보관하게 되며, 그때까지 채용서류의 반환을 청구하지 아니할 경우에는 『개인정보 보호법』에 따라 지체 없이 채용서류 일체를 파기할 예정입니다.</li> </ul> </li> </ul> Equal Opportunities for All Coupang is an equal opportunity employer. Our unprecedented success could not be possible without the valuable inputs of our globally diverse team.