Senior Data Scientist I

 

About our Team

LexisNexis Legal & Professional, which serves customers in more than 150 countries with 11,300 employees worldwide, is part of RELX, a global provider of information-based analytics and decision tools for professional and business customers.

About the Role

As a Data Science Generalist, you are comfortable working across GenAI, traditional machine learning, analytics, data engineering, cloud platforms, and enterprise system integrations. In this role, you will design, build, and deploy AI and ML solutions that support key business functions across Product, Sales, Finance, Marketing, Customer Success, and Engineering. You will work end to end across ideation, modeling, experimentation, prompt engineering, deployment, monitoring, and stakeholder communication. This position is ideal for a versatile data scientist who enjoys solving diverse problems, working with multiple systems, and driving measurable business impact.

Responsibilities

AI, GenAI and Machine Learning

• Build GenAI applications using OpenAI APIs, embeddings, vector search, and retrieval augmented generation.
• Develop advanced prompt engineering patterns and automated evaluation frameworks.
• Build and deploy traditional ML models including:

churn prediction,

propensity to buy,

customer sentiment and feedback analysis,

lead scoring and customer intelligence models etc.

• Own the full model lifecycle including data preparation, experimentation, deployment, and monitoring.

Data Engineering and Cloud Work

• Build and optimize feature pipelines and model scoring jobs using AWS, Python, Databricks, Spark, and Delta Lake.
• Leverage AWS services including S3, Redshift, and Lambda for data automation and orchestration.
• Ensure data quality, observability, lineage, and documentation across pipelines.

Enterprise System Integrations

• Build and deploy model and data integrations with:

Salesforce (SFDC),

Oracle Fusion,

Oracle Service Cloud, Oracle Peoplesoft

• Support real time and batch workflows that enhance CRM, sales, customer service, and marketing operations.

Analytics and Insights

• Work with cross functional teams to define KPIs and develop analytics solutions.
• Provide insights that connect customer behavior, product usage, finance, and CRM data.
• Translate insights into actionable recommendations that support product, sales, and customer strategy.

Productionization, Reliability and Support

• Provide L2 and L3 support for AI and ML pipelines.
• Implement monitoring for model drift, data quality, and prompt performance.
• Lead root cause analysis and build preventive systems for long term stability and reliability.

Cross Functional Collaboration

• Partner closely with Product, Engineering, Finance, Sales, Operations, Marketing, and Customer Facing teams.
• Translate business challenges into AI and ML solutions with clear ROI.
• Communicate technical concepts in a clear and actionable manner for non technical stakeholders.
• Support adoption of AI and ML solutions through demos, documentation, and training.

Requirements

• Strong Python programming skills.
• Hands on experience with OpenAI APIs, LLM workflows, and prompt engineering.
• Solid machine learning fundamentals including supervised learning, NLP, and feature engineering.
• Experience with Databricks, Spark, and Delta Lake.
• Strong SQL skills with experience working on large datasets.
• Experience with AWS including S3, Lambda
• Familiarity with Redshift, Snowflake or other cloud data warehouses.
• Experience with behavioral datasets.

• Ability to work across machine learning, data engineering, analytics, and integrations.
• Ability to design end to end solutions spanning data, models, APIs, and automation workflows.
• Strong communication and stakeholder management skills.
• Ability to operate independently with minimal direction and actively mentor junior data scientists through technical guidance and best practices.

Work in a way that works for you

We promote a healthy work/life balance across the organization. We offer an appealing working prospect for our people. With numerous wellbeing initiatives, shared parental leave, study assistance and sabbaticals, we will help you meet your immediate responsibilities and your long-term goals. Working flexible hours - flexing the times when you work in the day to help you fit everything in and work when you are the most productive.

Working for you

We know that your wellbeing and happiness are key to a long and successful career. These are some of the benefits we are delighted to offer:

• Health Benefits: Comprehensive, multi-carrier program for medical, dental and vision benefits
• Retirement Benefits: 401(k) with match and an Employee Share Purchase Plan - Wellbeing: Wellness platform with incentives, Headspace app subscription, Employee Assistance and Time-off Programs
• Short-and-Long Term Disability, Life and Accidental Death Insurance, Critical Illness, and Hospital Indemnity - Family Benefits, including bonding and family care leaves, adoption and surrogacy benefits
• Health Savings, Health Care, Dependent Care and Commuter Spending Accounts
• Up to two days of paid leave each to participate in Employee Resource Groups and to volunteer with your charity of choice

About the Business

LexisNexis Legal & Professional® provides legal, regulatory, and business information and analytics that help customers increase their productivity, improve decision-making, achieve better outcomes, and advance the rule of law around the world. As a digital pioneer, the company was the first to bring legal and business information online with its Lexis® and Nexis® services.

U.S. National Base Pay Range: $93,400 - $155,700. Geographic differentials may apply in some locations to better reflect local market rates. This job is eligible for an annual incentive bonus. We know that your wellbeing and happiness are key to a long and successful career. These are some of the benefits we are delighted to offer to our US full- and part-time employees working at least 20 hours or more per week: ● Health Benefits: Comprehensive, multi-carrier program for medical, dental and vision benefits ● Retirement Benefits: 401(k) with match and an Employee Share Purchase Plan ● Wellbeing: Wellness platform with incentives, Headspace app subscription, Employee Assistance and Time-off Programs ● Short-and-Long Term Disability, Life and Accidental Death Insurance, Critical Illness, and Hospital Indemnity ● Family Benefits, including bonding and family care leaves, adoption and surrogacy benefits ● Health Savings, Health Care, Dependent Care and Commuter Spending Accounts ● In addition to annual Paid Time Off, we offer up to two days of paid leave each to participate in Employee Resource Groups and to volunteer with your charity of choice

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