About the Team:
LexisNexis Legal & Professional, which serves customers in more than 150 countries with 11,800 employees worldwide, is part of RELX (www.relx.com), a global provider of information-based analytics and decision tools for professional and business customers. Our company has been a long-time leader in deploying AI and advanced technologies to the legal market to improve productivity and transform the overall business and practice of law, deploying ethical and powerful generative AI solutions with a flexible, multi-model approach that prioritizes using the best model from today’s top model creators for each individual legal use case.
The company employs over 2,000 technologists, data scientists, and experts to develop, test, and validate solutions in line with RELX Responsible AI Principles (https://stories.relx.com/responsible-ai-principles/index.html).
About the Role:Are you looking to develop your Data Scientist career?
Would you enjoy training more junior team members?
As a Senior Data Scientist II, you will need to independently design and deliver effective AI solutions for data scientist projects. Your work will involve collaborative problem solving, technical leadership, and mentoring of junior team members.
Responsibilities:
- Develop and implement advanced models for tasks such as information extraction, classification, and entity linking.
- Work with long-context modeling, coreference resolution, retrieval/re-ranking systems, and LLM structured output.
- Lead in designing baselines, comparators, ablation studies, and rigorous evaluation strategies.
- Oversee data collection and annotation processes to build high-quality datasets.
- Define and measure key performance metrics (e.g., Precision, Recall, F1, ranking metrics) to evaluate model performance.
- Conduct comprehensive error analysis and perform iterative model enhancement.
- Implement and deploy models in both batch and real-time environments.
- Collaborate with engineering teams to build end-to-end data pipelines and scalable production systems.
- Write detailed design documents and ensure reproducibility of the entire modeling pipeline.
- Strong experience with several areas such as information extraction, long-context modeling, entity linking, and retrieval systems.
- Proficiency in Python and experience with ML frameworks and libraries, including PyTorch/Transformers, spaCy, and vector search libraries.
- Advanced skills in evaluation design, error analysis, and a capability to defend trade-offs using clear metrics.
- Experienced with deploying production-grade machine learning models and managing end-to-end pipelines.
- Must have experience leading and building Content AI Automation Solutions.
- Prior work experience in regulated domains or industries with complex data challenges preferred.
- Knowledge of agentic frameworks and capabilities in building agentic solutions is a valuable plus.
- Excellent written and verbal communication skills for effective collaboration with technical and non-technical stakeholders.
We know your well-being and happiness are key to a long and successful career. We are delighted to offer country specific benefits. Click here to access benefits specific to your location.
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We are an equal opportunity employer: qualified applicants are considered for and treated during employment without regard to race, color, creed, religion, sex, national origin, citizenship status, disability status, protected veteran status, age, marital status, sexual orientation, gender identity, genetic information, or any other characteristic protected by law.
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Skills Required
- Strong experience with information extraction, long-context modeling, entity linking, and retrieval systems
- Proficiency in Python
- Experience with ML frameworks and libraries, including PyTorch/Transformers and spaCy
- Experience with vector search libraries
- Advanced skills in evaluation design, error analysis, and metric-driven trade-off justification
- Experience deploying production-grade machine learning models and managing end-to-end pipelines (batch and real-time)
- Experience leading and building Content AI Automation Solutions
- Experience mentoring and training junior data scientists
- Prior work experience in regulated domains or industries with complex data challenges
- Knowledge of agentic frameworks and building agentic solutions
- Excellent written and verbal communication skills
LexisNexis Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about LexisNexis and has not been reviewed or approved by LexisNexis.
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Healthcare Strength — Healthcare options are often described as comprehensive, spanning medical, dental, and vision coverage alongside life and disability protection. Wellbeing programming such as wellness initiatives and fitness support is also positioned as part of the overall package.
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Retirement Support — Retirement benefits are repeatedly framed as a meaningful component of total rewards through 401(k) matching and access to stock purchase opportunities. Performance bonuses and charitable matching are also included as financial-support features within the broader rewards mix.
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Leave & Time Off Breadth — Time-off offerings are portrayed as broad, including PTO, paid holidays, sick leave, and paid volunteer time. Flexible work arrangements, including remote options and flexible hours, further strengthen the overall rewards experience.
LexisNexis Insights
What We Do
LexisNexis Legal & Professional is a leading global provider of legal, regulatory and business information and analytics that help customers increase productivity, improve decision-making and outcomes, and advance the rule of law around the world. We help lawyers win cases, manage their work more efficiently, serve their clients better and grow their practices. We assist corporations in better understanding their markets, monitoring their brands and competition, and in mitigating business risk. We collaborate with universities to educate students, and we support nation-building with governments and courts by making laws accessible and strengthening legal infrastructures. We partner with leading global associations and customers to collect evidence against war criminals and provide tools to combat human trafficking. LexisNexis Legal & Professional, which serves customers in more than 130 countries with 10,000 employees worldwide, is part of RELX Group, a global provider of information and analytics for professional and business customers across industries.
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