Principal Data Scientist I

Principal Data Scientist IAre you looking to develop your Data Scientist career?Do you enjoy coaching others to achieve high standards?Join us in shaping a more just world.About Us:LexisNexis, a part of RELX, is a leading global provider of legal, regulatory, and business information. We help customers increase productivity and improve decision-making and outcomes. Our 10,500 experts and innovative tools help us shape a better world for our customers and communities.About the Role:As a Senior Data Scientist, you will become a subject matter expert, defining projects and their execution. Leading small teams of indirect reports, you'll influence and mentor teams in best practices and methodologies.For this role, we are seeking candidates who are highly experienced in leading the development and deployment of advanced AI and machine learning models. The ideal candidate will have a deep understanding of machine learning algorithms, experience working with large datasets, and a track record of delivering high-quality results. You will be working closely with other data scientists and engineers to design, develop, and deploy cutting-edge AI solutions.Responsibilities:Leading the development of advanced AI and machine learning models to solve complex business problemsWorking closely with other data scientists and engineers to design, develop, and deploy AI solutionsCollaborating with cross-functional teams to ensure AI solutions are aligned with business goals and customer needsAnalyzing large datasets to identify patterns and trends that can inform AI developmentCommunicating findings and insights to stakeholders in a clear and concise mannerStaying current with the latest AI and machine learning trends and technologiesMentoring junior data scientists and providing guidance on AI and machine learning best practicesDriving best practices across our data science functionsSetting strategy and team direction, with a clear vision for Data ScienceWorking with product leaders to apply data science solutionsEvaluating and creating new frameworks and defining methodologies and governanceLeading small- to medium-sized teams (direct or indirect)Setting a high-bar for model developmentRequirements:Have substantial experience in a senior data scientist roleHave experience in leading complex projects and customer relationshipsHave 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 colleaguesBe a natural problem solver, able to take a lead in collaborating to resolve issuesHave excellent communication skills and the ability to convey information clearly to senior stakeholdersHighly Desired Skills and Experience:PhD or Master's degree in Computer Science, Mathematics, Statistics, or a related field10+ years of experience in AI and machine learningDeep understanding of machine learning algorithms, including deep learning, gradient boosting, and random forestsExperience 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 mitigationWorking understanding of the business risks associated with applying LLM in a businessExperience working with large datasets and distributed computing systems (e.g., Hadoop, Spark)Strong coding skills in Python or another programming languageExcellent communicator, with the ability to translate complex technical concepts to non-technical stakeholdersStrong problem-solving skills and the ability to think outside the boxWork in a way that works for you:We promote a healthy work/life balance across the organization, with various flexible and remote working options available to employees.Working with Us:LexisNexis Legal & Professional is proud to be an equal-opportunity employer. We are committed to equal opportunity employment regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability, gender identity, or Veteran status. Together, we are building a diverse and inclusive workplace.About our Team:LexisNexis is a data and analytics company with 10,500 colleagues serving customers in more than 150 countries. We’re one of the largest information and analytics companies on the planet. We design solutions that help our customers increase productivity, improve decision-making and outcomes, and be more successful. #J-18808-Ljbffr

Created: 2025-09-17