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Principal Data Scientist I
LexisNexis Risk Solutions
Salary not specified
Sep 22, 2025
KS, US • PA, US • DE, US • IA, US • CA, US • VT, US • TX, US • Jackson Township, NJ, USA • FL, US • Waterbury, CT, USA • Raleigh, NC, USA • NV, US • SC, US • GA, US • AZ, US • Concord, NH, USA • MS, US • TN, US • VA, US • AR, US • MN, US • CO, US • NE, US • KY, US • New York, NY, USA • MD, US • ME, US • MA, US • MO, US • OH, US • IN, US • LA, US • MI, US • IL, US • AL, US • ID, US
LexisNexis is looking to develop and deploy advanced AI and machine learning models to solve complex business problems, increase productivity, improve decision-making and outcomes for their customers.
Requirements
Deep understanding of machine learning algorithms, including deep learning, gradient boosting, and random forests
Experience working directly with large language models and Transformer based architectures including BERT, RoBERTa, T5 etc.
Working knowledge of applying recent LLMs including ChatGPT, GPT 3.5, OPT, BLOOM, etc.
Experience with reinforcement learning, prompt engineering, hallucination mitigation
Experience working with large datasets and distributed computing systems (e.g., Hadoop, Spark)
Strong coding skills in Python or another programming language
Strong problem-solving skills and the ability to think outside the box
Responsibilities
Leading the development of advanced AI and machine learning models to solve complex business problems
Working closely with other data scientists and engineers to design, develop, and deploy AI solutions
Analyzing large datasets to identify patterns and trends that can inform AI development
Staying current with the latest AI and machine learning trends and technologies
Driving best practices across our data science functions
Evaluating and creating new frameworks and defining methodologies and governance
Setting a high-bar for model development
Other
Leading small teams of indirect reports, you'll influence and mentor teams in best practices and methodologies.
Collaborating with cross-functional teams to ensure AI solutions are aligned with business goals and customer needs
Communicating findings and insights to stakeholders in a clear and concise manner
Mentoring junior data scientists and provide guidance on AI and machine learning best practices
Setting strategy and team direction, with a clear vision for Data Science
Working with product leaders to apply data science solutions.
Leading small- to medium-sized teams (direct or indirect)
Have substantial experience in a senior data scientist role
Have experience in leading complex projects and customer relationships
Have significant experience in managing larger Technical teams (direct or indirect)
Have experience in mentoring or training others, acting as a subject matter expert to guide colleagues
Be a natural problem solver, able to take a lead in collaborating to resolve issues
Have excellent communication skills and the ability to convey information clearly to senior stakeholders
Working understanding of the business risks associated with applying LLM in a business
Excellent communicator, with the ability to translate complex technical concepts to non-technical stakeholders