Coupang Global LLC
Senior Staff Ranking Engineer, Personalization
Mountain View, USA · Staff+
Sponsorship not specified$18k-$21kDetected 49 days ago
PythonJavaBigQueryAWSGCPCloud PlatformsMachine LearningDeep LearningTensorFlowPyTorchSparkAirflowData EngineeringData ScienceNLPLLMsStatisticsA/B TestingProduct ManagementElectrical EngineeringEpicCommunication
About the role
- The Search & Discovery organization is responsible for optimizing customers' navigation experience and driving long-term growth.
- Every week millions of customers use search in our app or on coupang.com, more than one third of them make purchases.
- Over half of the Coupang sales are directly attributed to search and recommendation.
Responsibilities
- Build and optimize ML pipelines using tools such as Apache Spark, Airflow, Kubeflow, and MLflow, ensuring reproducibility, scalability, and operational excellence
- Collaborate cross-functionally with product, engineering, and data science teams to align technical solutions with business goals and customer experience
Requirements
- Bachelor's degree in computer science, electrical engineering, mathematics, statistics or closely related fields
- Proficiency in Python and/or Java, with experience in building production grade ML systems
Nice to have
- 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
- Hands-on experience with modern ML frameworks such as TensorFlow, PyTorch, Scikit learn, 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
Compensation
- Our compensation reflects the cost of living across several US geographic markets.
Benefits
- Design features and build large-scale machine learning models and systems to improve ad targeting, relevance, ranking, and engagement
- Drive innovation in search relevance and user intent modeling using large language models (LLMs), embedding-based retrieval, and multi-modal learning
- Mentor and grow engineering talent, fostering a culture of technical excellence, experimentation and continuous learning
- 7+ years of professional experience in applied machine learning
- Experience in machine learning, deep learning, and statistical modeling
- If you need assistance and/or a reasonable accommodation in the application of recruiting process due to a disability, please contact us at usrecruiting@coupang.com.
- Those eligible for employment protection (recipients of veteran's benefits, the disabled, etc.) may receive preferential treatment for employment in accordance with applicable laws.
Company info
- You will also be responsible for serving complex ML models in real time to help millions of Coupang customers search and discover products.
- Coupang has the right to rescind an offer of employment if a candidate is found to have submitted false information as part of the
Visa & Work Authorization
- litary or veteran status, use of a trained dog guide or service animal, political activities or affiliations, ancestry, citizenship, family and medical leave status, status as a victim of any violent crime, or any other
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This listing is sourced directly from Coupang Global LLC's careers page and normalized into a canonical job model.