Senior Data Scientist

Data Scientist (#40352) W2 ONLY Onsite in South San Francisco No C2C. No 3rd Party Contact On Site/In Person interview is required Master's Degree or higher required We are seeking a Senior Data Scientist (Level II) to support high-impact AI/ML initiatives within a regulated environment. About the Role Contract Data Scientist role Onsite/Hybrid in South San Francisco. This is a Hybrid role requiring 3 days a week ONSITE in South San Francisco from Day 1. An ONSITE interview is also required. If you are available and interested in being submitted for this role please get back to me with the following: • Your resume attached as a Word Document • Your Desired W2 Pay Rate • Your current location • I also need the Month and Day of your Birthday for their resume submittal system. Required • Master’s or PhD in Data Science, Computer Science, Statistics, or a related field • Minimum 5+ years of hands-on experience in data science and machine learning model development • Proven track record of taking models from ideation through production deployment • Strong proficiency in Python, SQL, and AWS • Deep expertise in Machine Learning and/or Deep Learning techniques • Experience working with large-scale, complex datasets in collaborative environments Preferred • Experience within healthcare, pharmaceutical, or other highly regulated industries • Hands-on experience with claims data or similarly complex, regulated datasets • Strong understanding of data privacy, compliance, and governance requirements • Experience with MLOps practices, including pipeline automation, deployment, and monitoring Responsibilities • Model Development & Optimization • Lead the design, development, and optimization of machine learning models to improve targeting accuracy and business performance • Apply advanced Machine Learning and Deep Learning techniques to refine existing models and develop new solutions as needed • Feature Engineering & Data Preparation • Design and build scalable feature pipelines, transforming raw and complex datasets into high-quality model inputs • Work with large, messy datasets (e.g., claims data) while ensuring data integrity and usability • Production & Pipeline Scalability • Transition analytical models and scripts into robust, production-ready pipelines • Ensure code quality, documentation, and adherence to engineering and data science best practices • Support model deployment, monitoring, and ongoing performance improvements • Cross-Functional Collaboration & Insight Translation • Partner with data science, analytics, and business teams to translate business problems into technical solutions Data Scientist W2 Contract role: Data Scientist II ROCGJP00040352 We are seeking a Senior Data Scientist (Level II) to support high-impact AI/ML initiatives within a regulated environment. This role will focus on advancing targeting models and delivering scalable, production-ready solutions that drive business outcomes. The ideal candidate brings strong technical depth, hands-on model development experience, and the ability to operate independently while collaborating across cross-functional teams. What We’re Looking For • A self-driven, senior-level contributor who can lead model development efforts and influence technical direction • Someone who thrives in a team environment and contributes to shared goals without needing sole ownership • A candidate who balances technical excellence with business impact, delivering solutions that are both scalable and meaningful Additional Notes This is a Level II role, requiring demonstrated depth in both technical execution and real-world application of AI/ML solutions. Candidates must be comfortable working in a fast-paced, collaborative, and regulated environment. Please email resume to Ellen at elerner@csi-it.com