ARCHIVED
This job listing has been archived and is no longer accepting applications.
MisuJob - AI Job Search Platform MisuJob

Senior Staff Software Engineer - Ad Infrastructure

Coupang

Seoul, South Korea (Seoul) Remote permanent

Posted: December 9, 2025

Interested in this position?

Create a free account to apply with AI-powered matching

Job Description

About Coupang Play

Coupang Play is an OTT video streaming service. We offer a wide range of content, including Original Series, TV Shows, Movies, and Sports.

We are in the business of delivering exceptional storytelling. We produce award-winning scripted and unscripted Original Series, such as “Boyhood”, “Anna”, and “SNL Korea”. We believe Sports can also be elevated by creative storytelling. Play is now an authoritative destination for Sports, broadcasting K-League, La Liga, Bundesliga, F1, NFL, and other leading leagues and tournaments. We also offer some of the latest movies that were just released in local theaters, bringing more exceptional storytelling to our Customers.

To ensure that we deliver all content seamlessly, we invest in Engineering, Product, and Design. Coupang Play is available on all mobile devices, tablets, PC, Smart TV, Apple TV, and Android TV. Our teams keep optimizing how Customers discover and stream both VOD and Live content. That includes investments in frontend, backend, and infrastructural developments. We also embrace Machine Learning to refine our CX.

We are still very early in our growth stage. If you enjoy solving complex problems using industry-leading technology or unconventional business approaches, please join us. We are building a world-class team of problem-solvers, all dedicated to delivering exceptional storytelling to our Customers.

Role Overview

We’re looking for a Tech Lead / Senior Staff Software Engineer to lead the development of our next-generation Ad Infrastructure, with a focus on building a Supply-Side Platform (SSP) and Ad Exchange from the ground up.

In this role, you’ll serve as the hands-on architect and technical owner of the ad infrastructure and backend services that power our advertising business for our streaming service. You’ll lead system architecture, implementation, and technical strategy, while mentoring engineers and collaborating closely with cross-functional partners across Product, Business, and Ad Ops.

What You Will Do

• Design and own the architecture and roadmap for our ad infrastructure, including SSP and Ad Exchange components.

• Lead the development of scalable, low-latency auction systems and OpenRTB integrations.

• Mentor and grow a high-performing engineering team; establish best practices in code quality, system performance, and operational excellence.

• Collaborate with cross-functional stakeholders to align technical solutions with business goals and compliance requirements.

Basic Qualifications

• 10+ years of experience in backend or distributed systems engineering, including 3+ years as a Tech Lead driving complex, cross-team initiatives.

• Proven experience building an SSP or Ad Exchange from architecture to production scale, including OpenRTB integrations with major DSPs.

• Strong leadership in project planning, execution, code/design reviews, and mentoring senior engineers.

• Deep expertise in low-latency, high-throughput systems, performance profiling, and cost/performance trade-offs.

• Production experience with streaming and data systems.

• Proficiency in one or more backend programming languages (e.g., Go), with a strong understanding of cloud-native architectures.

• Strong knowledge of data infrastructure and storage systems.

• Track record of technical leadership and mentoring senior engineers.

• Excellent verbal and written communication skills.

Preferred Qualifications

• Experience with advertising in video/CTV or OTT environments.

• Excellent verbal and written communication skills in English.

전형 절차 및 안내사항

전형 절차

• 서류전형 > 1차 화상면접 > 2차 화상면접 > 처우협의

• 전형 절차는 직무별로 다르게 운영될 수 있으며, 일정 및 상황에 따라 변동될 수 있습니다.

• 전형 일정 및 결과는 지원서에 등록하신 이메일로 개별 안내 드립니다.

참고사항

• 본 공고는 모집 완료 시 조기 마감될 수 있습니다.

• 지원서 내용 중 허위사실이 있는 경우에는 합격이 취소될 수 있습니다.

• 취업 보호 대상자(보훈대상자, 장애인 등)는 관련 법률에 따라 채용우대를 받을 수 있습니다.

• 직급과 담당 업무 범위는 후보자의 전반적인 경력과 경험 등 제반사정을 고려하여 변경될 수 있습니다. 이러한 변경이 필요할 경우, 최종 합격 통지 전 적절한 시기에 후보자와 커뮤니케이션 될 예정입니다.

• 채용 및 업무 수행과 관련하여 요구되는 법령상 자격이 갖추어지지 않은 경우 채용이 제한될 수 있습니다.

• 고용형태는 정규직으로 수습기간 12주를 포함합니다. 단, 업무상 필요한 경우에는 상기 수습기간을 적용하지 않거나 단축 또는 연장할 수 있습니다.

개인정보 처리방침

• 쿠팡 그룹은 입사지원자 개인정보 처리방침(아래 링크)에 따라 귀하의 개인정보를 수집하여 처리합니다.

• https://www.coupang.jobs/kr/privacy-policy

서류 반환 정책

• 본 고지는 『채용절차의 공정화에 관한 법률』 제11조 제6항에 따른 것입니다.

• 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.

• 위 2항 본문에 따라 채용서류 반환 청구를 하는 구직자는 채용서류 반환청구서[채용절차의 공정화에 관한 법률 시행규칙 별지 제3호 서식]를 작성하여 당사 이메일([email protected])로 제출하면, 제출이 확인된 날로부터 14일 이내에 지정한 주소지로 등기우편을 통하여 발송해 드립니다. 이 경우 등기우편요금은 수신자 부담으로 하게 되오니 유념하시기 바랍니다.

• 당사는 위 2항 본문에 따른 구직자의 반환 청구에 대비하여 채용 여부가 확정된 날로부터 180일 간 구직자가 제출한 채용서류 원본을 보관하게 되며, 그때까지 채용서류의 반환을 청구하지 아니할 경우에는 『개인정보 보호법』에 따라 지체 없이 채용서류 일체를 파기할 예정입니다.

• 채용 및 업무 수행과 관련하여 요구되는 법령상 자격이 갖추어지지 않은 경우 채용이 제한될 수 있습니다.

Why Apply Through MisuJob?

AI-Powered Job Matching: MisuJob uses advanced artificial intelligence to analyze your skills, experience, and career goals. Our matching algorithm compares your profile against thousands of job requirements to find positions where you have the highest chance of success. This saves you hours of manual job searching and ensures you only see relevant opportunities.

One-Click Applications: Once you create your profile, applying to jobs is effortless. Your resume and cover letter are automatically tailored to highlight the most relevant experience for each position. You can apply to multiple jobs in minutes, not hours.

Career Intelligence: Beyond job matching, MisuJob provides valuable career insights. See how your skills compare to market demands, identify skill gaps to address, and understand salary benchmarks for your experience level. Make data-driven decisions about your career path.

Frequently Asked Questions

How do I apply for this position?

Click the "Register to Apply" button above to create a free MisuJob account. Once registered, you can apply with one click and track your application status in your dashboard.

Is MisuJob free for job seekers?

Yes, MisuJob is completely free for job seekers. Create your profile, get matched with jobs, and apply without any cost. We help you find your dream job without any hidden fees.

How does AI matching work?

Our AI analyzes your resume, skills, and experience to understand your professional profile. It then compares this against job requirements using natural language processing to calculate a match percentage. Higher matches mean better fit for the role.

Can I apply to jobs in other countries?

Absolutely. MisuJob features jobs from companies worldwide, including remote positions. Filter by location or look for remote opportunities to find jobs that match your preferences.

Ready to Apply?

Join thousands of job seekers using MisuJob's AI to find and apply to their dream jobs automatically.

Register to Apply