Coupang Fulfillment Services · 13 hours ago
Senior Staff Machine Learning Engineer, Ads Tech
Mountain View, USA
Full-time
Onsite
Senior Level, Lead/Staff
$159K/yr - $324K/yr
8+ years expCoupang is one of the fastest-growing e-commerce companies, aiming to disrupt the industry with innovative solutions. The Senior Staff Machine Learning Engineer will develop and design machine learning models and optimization algorithms for Coupang's advertising platform, focusing on enhancing user experience and driving innovation.
DeliveryLogisticsWarehousing
Responsibilities
Design and implement large-scale ML systems for search ranking, semantic retrieval, query understanding, and personalized product discovery using state-of-the-art techniques such as transformer-based models, contrastive learning and vector search
Drive innovation in search relevance and user intent modeling using large language models (LLMs), embedding-based retrieval, and multi-modal learning
Build and optimize ML pipelines using tools such as Apache Spark, Airflow, Kubeflow, and MLflow, ensuring reproducibility, scalability, and operational excellence
Define and track key performance metrics to evaluate model impact and identify high-leverage opportunities for improvement
Collaborate cross-functionally with product, engineering and data science teams to align technical solutions with business goals and customer experience
Mentor and grow engineering talent, fostering a culture of technical excellence, experimentation and continuous learning
Qualification
Required
Bachelor's degree in computer science, electrical engineering, mathematics, statistics or closely related fields
8 years of professional experience in applied machine learning
Experience in machine learning, deep learning, and statistical modeling
Proficiency in Python and/or Java, with experience in building production grade ML systems
Preferred
Master's or PhD in relevant technical fields
Experience with search systems, information retrieval or recommendation engines
Experience with LLMs, embeddings, and vector search technologies
Experience with cloud platforms such as AWS, Google Cloud Platform including services like Vertex AI, BigQuery or SageMaker
Experience working in startup or high-growth environments
Proven ability to lead-cross-functional teams and deliver results in a multicultural, global organization
Hands-on experience with modern ML frameworks such as TensorFlow, PyTorch, Scikitlearn, Keras, XGBoost, LightGMB, and H2o.ai
Experience with ML lifecycle tools such as MLflow, Kubeflow, Weights & Biases, or Amazon SageMaker
Excellent communication skills with the ability to explain complex technical concepts to both technical and non-technical stakeholders
Demonstrated ability to work independently and manage ambiguity in fast-paced environments
Benefits
Medical/Dental/Vision/Life, AD&D insurance
Flexible Spending Accounts (FSA) & Health Savings Account (HSA)
Long-term/Short-term Disability
Employee Assistance Program (EAP) program
401K Plan with Company Match
18-21 days of the Paid Time Off (PTO) a year based on the tenure
12 Public Holidays
Paid Parental leave
Pre-tax commuter benefits
MTV - [Free] Electric Car Charging Station
Company
Coupang Fulfillment Services
Coupang Fulfillment Services provides warehousing, delivery, and delivery logistics services.
10001+ employees
Funding
Current Stage
Late StageLeadership Team
Marisol Gonzaga, SHRM-CP
Senior Human Resources Business Partner
Recent News
2025-10-13
Company data provided by crunchbase