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LexisNexis Risk Solutions Logo

Principal Data Scientist I

LexisNexis Risk Solutions

Salary not specified
Sep 22, 2025
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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