Coupang

Coupang is seeking a Staff Back-end Engineer to build scalable backend services and lead the architecture and implementation of GenAI creative and multi-agent systems. The role focuses on taking LLM, multimodal, RAG, and agent technologies from research concepts through production deployment.

Lead security engineering and regulatory readiness for Coupang’s Taiwan payment services while supporting broader e-commerce, logistics, and enterprise security initiatives. This is a hands-on technical leadership role interfacing with regulators, external partners, and cross-functional teams.

Lead the evolution of Coupang’s large-scale recommendation systems, developing ranking, retrieval, and relevance models that improve customer product discovery. This Staff-level role combines applied machine learning, experimentation, scalable online systems, and technical leadership.

Lead the security architecture and hands-on implementation of enterprise security foundations across identity, access management, cryptography, credential management, and data protection. This highly senior role combines organization-wide architectural ownership with Python-based automation and security platform development.

Senior Staff Backend Engineer on Coupang’s Security Infrastructure team, building scalable IAM, authentication, and authorization platforms used across thousands of microservices. The role combines hands-on Java and Go backend development with architecture, reliability, and cross-company platform leadership.

Lead the architecture and development of Coupang’s next-generation offsite marketing platform as a senior staff backend engineer in Growth Engineering. You’ll shape high-scale distributed systems that improve marketing efficiency, customer growth, and purchase frequency.

Senior Back-end Engineer building AI-powered, agentic applications and scalable backend systems that automate Coupang’s massive catalog operations. The role combines LLM orchestration, distributed data processing, and catalog intelligence to improve data quality and operational efficiency.

Staff Backend Engineer building Coupang’s next-generation AI Inference Gateway platform for mission-critical machine learning and generative AI workloads. The role leads scalable platform architecture, high-performance traffic management, reliability, and multi-team technical direction.