Staff Backend Engineer – Search and Discovery Product Engineering

Backend engineer role on the Search & Discovery AI Product Engineering team at Coupang, responsible for architecting and scaling search systems that handle over 60% of customer transactions. The role involves designing solutions to eliminate performance bottlenecks, developing user-centric products for search and discovery, collaborating cross-functionally, and applying expert-level engineering to build consumer-facing mobile solutions.

5+ years professional expertise in distributed systems, systems programming, and backend engineering; 5+ years deep experience with core algorithms, system architecture, large-scale distribution; rigorous coding proficiency in Java, Go, or other languages; advanced degree in CS or related field; proven track record managing high-availability API platforms and resolving scaling/latency/performance challenges in high-traffic environments.