Jobs at Coupang

Own the technical strategy and architecture for Coupang Play’s advertising platform. Design, build, and optimize ultra-low-latency distributed systems for ad delivery, impression tracking, and monetization at massive scale. Lead cross-team solutions for high-concurrency live sports advertising, collaborate with Product, Ad Operations, Finance, and Legal, and improve engineering productivity through AI. The role requires backend expertise in distributed systems, cloud infrastructure, and ad-tech or monetization platforms.

Lead the technical strategy and architecture for Coupang Play’s advertising and monetization platforms. Design and optimize highly available, ultra-low-latency distributed systems for ad delivery, tracking, and monetization at massive scale. Provide organization-wide technical leadership, mentor engineers, lead architecture reviews, and partner with Product, Ad Operations, Finance, Legal, and client engineering teams to deliver reliable, compliant solutions.

Own the vision, strategy, roadmap, KPIs, and lifecycle for pricing products serving millions of catalog items and competitor pricing data points. Lead product development from ideation through launch, identify growth opportunities, define requirements and success metrics, and collaborate with engineering, data science, operations, and business teams. Mentor junior employees and influence cross-functional stakeholders in a data-driven e-commerce environment.

Leads enterprise analytics solutions across business, product, finance, marketing, and technology. Responsibilities include developing data models, metric definitions, pipelines, dashboards, experimentation frameworks, and executive data narratives; diagnosing data and system issues; standardizing metrics; applying advanced analytics and AI tools; mentoring analysts; and establishing analytics best practices.

Lead security architecture for scalable, highly available backend systems. Design and optimize traffic risk-control, anti-fraud, and account-security platforms; conduct architecture reviews; improve system stability and security under high concurrency; and collaborate with product, business, and engineering teams to deliver mission-critical security capabilities.

Analyze web protocols and reverse-engineer parameters across websites and mobile applications. Develop improved reverse-engineering solutions, iterate on device attack and defense capabilities, and help build automated adversarial systems. The role requires web and mobile reverse engineering, JavaScript deobfuscation, browser automation, anti-scraping analysis, network traffic inspection, application security testing, cryptography, and automation-tool development.

Designs and owns architecture for Live Sports and Discover APIs, develops highly available and scalable backend systems, and creates low-latency solutions for millions of customers. The role leads strategic projects, mentors engineers, establishes engineering best practices, collaborates cross-functionally, and leverages AI to improve development quality and productivity.

Supports Singapore-based senior and C-level executives through complex international calendar management, meeting coordination, team events, budget and headcount planning, travel and expense support, process improvement, strategic projects, and executive assistant mentoring. The role requires autonomous prioritization, cross-functional communication, discretion, and advanced administrative expertise in a fast-paced global organization.

Own pricing and retail analytics initiatives, including decision systems, reports, metrics, statistical analysis, and business insights. Lead end-to-end projects, translate complex data for stakeholders, influence product and strategy decisions, and collaborate with Pricing, Retail Commerce, 3P Commerce, Promotions, developers, and analysts. Ensure data quality, improve reporting systems, solve ambiguous problems, and provide strategic guidance in a fast-paced e-commerce environment.

Lead design and delivery of a greenfield, durable distributed workflow/execution platform. Ensure extreme availability (5-6 nines), integrate AI-driven automation, solve distributed locking/timers/deterministic execution challenges, build observability, and manage a team of up to 10 engineers while partnering with product and stakeholders.

Lead architecture and implementation of scalable, highly available pricing platforms. Drive technical vision and roadmaps, design distributed systems, partner with product stakeholders, mentor engineers, and collaborate cross-team to deliver high-throughput, real-time pricing services.

Build and operate Coupang's security infrastructure, focusing on a dynamic authorization engine. Design and implement large-scale distributed systems, write backend APIs (Java/Go), collaborate across teams to drive platform adoption, ensure operational excellence, and lead technical projects.

Lead and grow a backend engineering team building dynamic authorization and identity/access platforms. Set strategy and roadmaps, hire and retain engineers, drive cross-functional alignment, deliver large-scale distributed security systems, dive deep on priority technical work, and promote operational and design excellence across the company.

Design, train, and deploy large-scale foundational LLM and multi-modal models and AI agents for e-commerce. Build end-to-end model pipelines, manage data lakes/ETL, ensure secure compliant training and inference, mentor team members, and collaborate cross-functionally to align AI capabilities with product strategy.

The Staff Machine Learning Engineer at Coupang Play will develop recommendation and personalization systems, manage data collection, and validate model performance.

Design and implement a durable, highly available (5-6 nines) distributed workflow execution platform. Lead architecture, integrate AI/ML for automation, solve distributed locking/timers/determinism, ensure observability, and collaborate with product teams to support large-scale, long-running workflows.