이 공고, 이렇게 물어볼 겁니다

귀하가 설계하고 운영했던 가장 대규모 분산 시스템 중, 시스템 확장성(Scale)과 안정성(Reliability)을 동시에 확보하기 위해 취했던 핵심 아키텍처 결정은 무엇이며, 그 결과로 발생한 트레이드오프(Trade-off)는 무엇이었습니까?

🎯 대규모 시스템 설계 경험과 기술적 의사결정의 깊이를 확인

고객 경험 개선을 위해 머신러닝/통계 기법을 적용한 프로젝트 중, 비즈니스 목표 달성과 기술적 제약(Latency, Throughput 등) 사이에서 가장 어려운 의사결정은 무엇이었으며, 그 결정의 최종 성과(Metric)는 어떠했습니까?

🎯 ML/통계 지식을 실제 비즈니스 문제 해결에 적용하는 능력과 데이터 기반의 성과 창출 능력을 확인

GOT 조직 내에서 여러 팀의 기술 방향성을 이끌고 기술적 장애물을 해결해야 했을 때, 조직 간의 이해관계 충돌을 어떻게 관리하고 기술 로드맵을 합의 도출하여 '긴급성(Urgency)'을 가지고 프로젝트를 진행하게 만들었는지 구체적인 협업 사례를 설명해 주십시오.

🎯 다중 팀 리딩 능력, 조직 내 영향력 행사 능력, 그리고 갈등 관리 능력을 확인

최근에 도입하거나 검토하여 실제 비즈니스 목표 달성에 결정적인 기여를 한 신기술(Open Source 또는 상용 기술)이 있다면 무엇이며, 이를 도입하는 과정에서 발생한 기술적 위험과 이를 극복하기 위해 어떤 테스트 및 배포 전략을 수립했는지 설명해 주십시오.

🎯 새로운 기술에 대한 이해도, 기술 검증 능력, 그리고 리스크 관리 능력을 확인

귀하의 경력에서 가장 큰 기술적 실패(Failure) 경험은 무엇이며, 그 실패로부터 얻은 교훈을 바탕으로 현재의 기술적 의사결정 프로세스나 팀의 코드 품질 관리 방식을 어떻게 개선했는지 구체적인 개선 수치와 함께 설명해 주십시오.

🎯 실패를 인정하고 학습하며 개선하는 회복탄력성(Resilience)과 자기 성찰 능력을 확인

질문만 읽으면 컨닝이에요. 소리 내어 답해보세요 — 어디서 틀어지는지 짚어드립니다.

공고 내용

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

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

· Lead and drive architecture design of Fulfillment Technologies for scale, future extensibility, and reliability

· Envision and drive alignment with stakeholders of the appropriate roadmap and future direction of technology for Global Operations Technology org.

· Navigate and alleviate technical obstacles and blockers at the organizational level

· Decompose complex problems into simple, straightforward solutions, providing mechanisms for the teams to prioritize ruthlessly and “move with urgency.”

· Write code when necessary to lead by example and help with high-priority projects

· Proactively identify opportunities in both business and technology

· Review, advise, and carry out the adoption of new technology (both open-source and commercial) that are useful in achieving business objectives

· Recruit and develop world-class engineering talent

· Drive development of automation and robotics initiatives

Basic Qualifications

· 15+ years of experience in developing and operating backend services and web applications

· Solid track record of delivering large and complex systems with significant business impact

· Experience of designing and developing large-scale distributed systems and architectures

· Broad and deep understanding of key technologies in storage, data processing, and serving

· Capable of object-oriented design and development

· Strong familiarity developing with Java and the Spring Framework

· Service development and operational experience in an AWS environment

· Experience driving improvements in code quality

Recruitment Process and Others

Recruitment Process

· Application Review - 1st Interview - 2nd 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 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.

· This is a full-time regular position and includes 12 weeks of probation period; provided, however, the probationary period

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