
Senior Staff ll, Machine Learning Engineer - Search Relevance
About this role
Matching billions of e-commerce products to customer intent requires building advanced search relevance and discovery infrastructure that can sustain rapid business growth. Coupang needs a senior engineering leader to design and optimize end-to-end machine learning systems spanning real-time serving, data pipelines, and core algorithms.
Working alongside senior search leadership, this person will identify key technical problems, align direction with stakeholders, and explore innovations in deep learning and large language modeling. Success in the role calls for deep technical expertise, strong execution, and the ability to translate broad business needs into robust production systems.
What you will do
- Design and build end-to-end search and discovery systems to support ongoing business growth.
- Drive key technical developments and clear blockers with a strong focus on execution.
- Ensure solid machine learning design and maintain high standards of operational excellence.
- Use data and metrics to identify major opportunities for system optimization and relevance improvement.
- Collaborate closely with partner teams to align technical directions and deliver results.
- Recruit and develop high-performing engineering talent.
What you need
- Bring 10 or more years of industry experience working at technology companies.
- Demonstrate a broad and deep understanding of information retrieval, deep learning, large language modeling, data processing, and real-time serving.
- Show a solid track record of delivering large, complex systems with significant business impact.
- Possess strong system design and problem-solving capabilities.
- Exhibit excellent communication and cross-functional collaboration skills.
Nice to have
- Working experiences on search and recommendations systems
- Search relevance and query understanding
- Technical Lead or Manager of teams
Benefits
- Medical/Dental/Vision/Life, AD&D insurance
- Flexible Spending Accounts (FSA) & Health Savings Account (HSA)
- Long-term/Short-term Disability and Employee Assistance Program
- 401K Plan with Company Match
- 18-21 days of Paid Time Off (PTO) a year based on tenure and 12 Public Holidays
- Paid Parental leave and pre-tax commuter benefits
Skills and tech stack
Questions candidates ask
What is the compensation range for this position?
Base pay ranges from $187,000 per year in the lowest geographic market to $322,000 per year in the highest geographic market. Additional compensation may include bonuses, equity, or other forms of compensation.
What areas of technology will I be working with?
The role involves working across the stack including serving, pipelines, and machine learning, with a specific focus on information retrieval, deep learning, large language modeling, and query understanding.
Who will I be working with in this role?
This role involves working closely with search senior leadership including vice presidents and senior directors, as well as collaborating with partner teams across functions.