쿠팡 · zz-Evergreen Requisition

Staff, Back-end Engineer (Traffic Management)

#쿠팡 채용

이 공고, 이렇게 물어볼 겁니다

Q1
Traffic Management 시스템을 구축할 때, 어떤 성능 지표를 사용하여 시스템의 효율성을 평가하나요? 그리고 그 지표를 개선하기 위해 어떤 노력을 했나요?
🎯 시스템 성능 평가와 개선 능력 평가
Q2
AI 기술을 활용하여 개발자 생산성을 향상시키는 프로젝트에서, 어떤 기술적 난제를 겪었고, 어떻게 해결했나요? 또한, 그 프로젝트의 결과는 어땠나요?
🎯 AI 기술 활용과 개발자 생산성 향상 능력 평가
Q3
분산 시스템과 SDK를 설계하고 구축할 때, 어떤 설계 원칙과 패턴을 사용하나요? 그리고 그 설계가 시스템의 확장성과 안정성을 어떻게 향상시켰나요?
🎯 분산 시스템과 SDK 설계 능력 평가
Q4
시스템의 안정성과 운영 효율성을 향상시키기 위해, 어떤 종류의 모니터링과 로깅 시스템을 사용하나요? 그리고 그 시스템을 통해 어떤 종류의 문제를 탐지하고 해결했나요?
🎯 시스템 안정성과 운영 효율성 향상 능력 평가
질문만 읽으면 컨닝이에요. 소리 내어 답해보세요 — 어디서 틀어지는지 짚어드립니다.

공고 내용

Korean text will follow English

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 Traffic Management team is an integral part of the Technical Infrastructure and Platform organization and is responsible for building traffic management systems that are leveraged across the entire company. Since the platforms we build are key to the success of a broad set of backend engineering teams, we focus on systems that provide high availability (5 '9s) and extremely low latency. We are also pioneering efforts related to enhancing developer productivity using AI. We are looking for a Staff software engineer who is highly motivated and experienced in building state-of-the-art solutions that deliver business value.

What You Will Do

· Deliver products that accelerate velocity and deliver business value using state of the art AI technologies (agentic frameworks, MCP)

· Do more with less. Have a keen eye for optimization and systemic improvements across the development lifecycle

· Design and build backend distributed systems and SDKs that can be leveraged across multiple backend systems and teams

· Collaborate with technical leaders across the organization to arrive at innovative and optimal design choices to solve business needs

· Be obsessed with Reliability. Take pride in delivering complex changes incrementally with long-term value and sustainability

· Demonstrate excellence resulting in scalable systems and services with the highest quality architecture and design

· Dive deep into critical system issues, proactively addressing similar root causes, and raise the bar on Operational Excellence

· Disseminate knowledge and technical expertise to a wide range of stakeholders across the company

Basic Qualifications

· 7+ years of professional software development experience

· 6+ years of experience working in backend systems with a focus on Java

· 6+ years of experience working in data technologies - SQL and NoSQL

· Expertise and working knowledge of AI technologies and toolsets, specifically on increasing developer velocity delivering business value

· Proven experience on delivering mission critical projects at large scale

· Experience with cloud computing - one or more of AWS/Azure/GCP

Preferred Qualifications

· Experience in server-side web app frameworks such as Spring Boot

· Experience with shift left methodologies focusing on high quality and faster time to market

· Deep understanding of modern web application architectures and design patterns that lead to high performance and scale

· Deep appreciation for metrics and observability with undeterred focus on raising the bar for the quality of services

· Tenacity to dive deep into complex issues, identifying root causes and resolving them

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 quali

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