Sr Machine Learning Engineer at PayPal
San Jose, California, United States -
Full Time


Start Date

Immediate

Expiry Date

11 Feb, 26

Salary

0.0

Posted On

13 Nov, 25

Experience

5 year(s) or above

Remote Job

Yes

Telecommute

Yes

Sponsor Visa

No

Skills

Machine Learning, Data Analysis, Model Deployment, Collaboration, Statistical Techniques, Programming, Big Data Technologies, Cloud Platforms, Model Governance, Generative AI, Python, SQL, Hadoop, Spark, TensorFlow, PyTorch

Industry

Software Development

Description
Develop and optimize machine learning models for various applications. Preprocess and analyze large datasets to extract meaningful insights. Deploy ML solutions into production environments using appropriate tools and frameworks. Collaborate with cross-functional teams to integrate ML models into products and services. Monitor and evaluate the performance of deployed models. 3+ years relevant experience and a Bachelor's degree OR Any equivalent combination of education and experience. Experience with ML frameworks like TensorFlow, PyTorch, or scikit-learn. Familiarity with cloud platforms (AWS, Azure, GCP) and tools for data processing and model deployment. Several years of experience in designing, implementing, and deploying machine learning models. Advanced degree (Master's or Ph.D.) in a quantitative discipline such as Statistics, Mathematics, Computer Science, Engineering, or a related field. Strong knowledge of statistical and machine learning techniques, including but not limited to logistic regression, time-series modeling, random forests, support vector machines, gradient boosting (e.g., XGBoost), and deep learning architectures (e.g., CNNs, RNNs). Proficiency in programming and big-data technologies, with hands-on experience in tools such as Python (Scikit-learn, TensorFlow), SQL, Hadoop, and Spark. Relevant modeling experience in one or more of the following domains: credit risk scoring, fraud detection, financial forecasting, or marketing analytics - gained through industry or academic research. Strong collaboration and communication skills, with the ability to work effectively both independently and as part of a cross-functional team. Ability to articulate complex technical concepts clearly to non-technical stakeholders and build constructive working relationships across functions. Experience with Large Language Models (LLMs), Agentic AI, or related generative AI applications. Familiarity with model governance, model risk management, or AI regulatory compliance frameworks (e.g., SR 11-7, OCC 2011-12, EU AI Act) is a plus.
Responsibilities
Develop and optimize machine learning models for various applications and preprocess large datasets to extract insights. Collaborate with cross-functional teams to integrate ML models into products and monitor their performance in production environments.
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