Senior Data Scientist

Motion Recruitment is expanding an enterprise technology team in Boston with a Senior Data Scientist for a hybrid role. This contract position focuses on developing and operationalizing language-based intelligent product capabilities for professionals who work with large volumes of legal and regulatory information.

The work spans retrieval-augmented generation, autonomous AI workflows, and document intelligence. You will support the full journey from exploratory analysis and prototyping through launch assessment, building the retrieval, modeling, and testing systems needed for enterprise readiness.

What you’ll do

• Own data science initiatives from exploratory analysis and prototyping through launch assessment
• Design retrieval and ranking approaches that ground language-model responses in authoritative source material
• Develop analytical and modeling solutions for case analysis, statutory interpretation, and document summarization
• Create testing frameworks to evaluate factuality, relevance, robustness, and end-user value
• Partner with platform teams to integrate data science solutions into secure, high-volume applications

Key requirements

• At least 8 years of experience applying data science or machine learning to real-world products
• Advanced understanding of LLM behavior, NLP techniques, and generative model applications
• Proven ability to design retrieval strategies for unstructured and highly specialized content
• Experience building AI agents, orchestration logic, or tool-using model workflows
• Knowledge of scalable model services and distributed data or AI platforms
• Experience defining experiments, benchmarks, and quality measures for production AI systems
• Ability to communicate model tradeoffs and findings to engineering, product, and business stakeholders
• Current and future authorization to work in the United States on a full-time basis

Education

• Bachelor’s degree in a relevant technical field is required
• A master’s degree is preferred

Additional qualifications

• Background working with legal information, regulatory content, or another knowledge-heavy industry is beneficial

Engagement details

• Initial 6-month contract with potential to convert to a permanent position
• Hybrid schedule based in Boston, Massachusetts
• Compensation and benefits will be discussed with qualified candidates