3 days ago
Seoul, Korea, SouthSenior
Responsibilities
- Lead the technical strategy and architecture roadmap for video advertising, interactive and shopping ads, ad serving, tracking, and related monetization domains.
- Design, develop, scale, and optimize mission-critical ultra-low-latency backend systems for high-volume ad delivery, real-time tracking, and monetization workflows.
- Drive cross-functional technical solutions for seamless real-time ad insertion during high-concurrency scenarios such as live sports broadcasts.
- Collaborate with Product, Ad Operations, Finance, Legal, client engineering, and QA teams to implement stable and compliant technical architectures.
- Lead technical alignment across payments, subscriptions, promotions, ticketing, and other monetization areas.
- Adopt AI technologies to automate work and improve development productivity, code quality, and delivery speed.
Requirements
- Bachelor’s degree or equivalent practical experience, plus at least two years of experience engineering large-scale backend applications and distributed systems.
- Deep expertise in designing, scaling, and operating low-latency, high-throughput distributed systems, including performance profiling, bottleneck resolution, and cost-performance optimization.
- Proficiency in at least one of Go, Java, JavaScript, or Node.js for backend engineering.
- Commercial operating experience with modern cloud infrastructure such as AWS or GCP and distributed storage or streaming technologies such as Kafka and Redis.
- Strong verbal and written communication skills with the ability to influence technical and business stakeholders.
- Preferred: Master’s degree in computer science or a related technical field.
- Preferred: Commercial experience building and operating large-scale ad-tech systems, including video ad serving, SSAI or CSAI, VAST or VMAP, RTB, high-volume impression or click tracking, and programmatic advertising.
- Preferred: Experience designing payment gateway, billing or subscription, promotion engine, ticketing, e-commerce, or other core monetization architectures.
- Preferred: Experience designing and troubleshooting client-server integrations and Ad SDK architectures with iOS, Android, and Smart TV engineering leads.
- Preferred: Business-level English communication skills.
Benefits
- Full-time employment with a 12-week probationary period, which may be waived, shortened, or extended when necessary.
- Recruitment process includes document screening, job-fit interview, technical-focused core competency interview, leadership interview, and final selection.
- Eligible veterans and persons with disabilities may receive hiring preferences in accordance with applicable law.
Tech Stack
Categories
About Coupang
Coupang builds and operates a South Korea–focused e-commerce marketplace with an end-to-end logistics network (Rocket Delivery), plus food delivery, video streaming, and fintech under brands such as Coupang, Eats, and Play. Revenue comes from first-party retail, third-party marketplace services, advertising, and memberships (Rocket WOW). Founded in 2010, the company is headquartered in Seattle and is publicly listed on the NYSE (CPNG).