Coupang · 4 months ago
Senior Staff Machine Learning Engineer (Ads Tech)
Mountain View, USA
Full-time
Onsite
Senior Level, Lead/Staff
8+ years expCoupang is one of the fastest-growing e-commerce companies in South Korea, known for its innovative approach to shopping and customer satisfaction. They are seeking a Senior Staff Machine Learning Engineer for their Ads Technology team, responsible for developing machine learning models and optimization algorithms for their advertising platform. This role involves designing large-scale ML systems, driving innovation in search relevance, and collaborating with cross-functional teams to enhance the customer experience.
ApparelConsumer ElectronicsConsumer GoodsCustomer ServiceE-CommerceRetailShopping
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
Coupang is an e-commerce platform that offers a wide variety of products, including apparel, electronics, and home goods.
10001+ employees
H1B Sponsorship
Coupang has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2022 (1)
Funding
Current Stage
Public CompanyTotal Funding
$3.42BKey Investors
SoftBank Vision FundSoftBankBlackRock Private Equity Partners
2021-03-11IPO
2021-01-01Post Ipo Equity
2018-11-20Private Equity· $2B
Leadership Team
G
Gaurav Anand
Chief Financial Officer
Harold Rogers
General Counsel and Chief Administrative Officer
Recent News
2025-12-31
Company data provided by crunchbase