Staff Backend Engineer (Application Infra)

Coupang is a rapidly growing e-commerce company known for its innovative approach to shopping and customer service. The Staff Backend Engineer will lead the architectural design and implementation of a durable execution platform, ensuring high availability and scalability while integrating AI-driven automation into the system.

Responsibilities:

• Architect from Zero: Lead the end-to-end design of a distributed workflow engine. You will Build the Best Team and Help Them Grow by setting the gold standard for architectural integrity and high-performance code
• Define Extreme Availability: Design for '5-6 nines' (99.9999% availability). You will Dive Deep into the tail latencies and edge cases of distributed state management to ensure our platform is always on for our customers
• AI-Driven Automation: Integrate AI/ML models to automate system functionality, including predictive scaling, automated bottleneck detection, and intelligent error recovery, ensuring we Wow the Customer through seamless platform performance and availability
• Solve Hard Problems: Address challenges related to distributed locking, timers, and deterministic execution. You must Be Data-Driven to validate architectural decisions against massive traffic patterns
• Lead with Influence: As a Staff Engineer, you will Influence without Authority, collaborating across the organization to ensure this platform becomes the backbone of our global operations