Senior Data Scientist III

Archer; Raleigh (NC); On-site; USD 115,000 - 192,000; Full time

Benefits offered by this job

Health Benefits: Comprehensive, multi‑

Retirement Benefits: 401(k) with match

Wellbeing: Wellness platform with Head

Time-off Programs

Short‑and‑Long Term Disability

Family Benefits, bonding and care

Health Savings and Dependent Care

Job summary

LexisNexis Legal & Professional in the United States seeks a Senior Data Scientist to lead AI and ML model development. You will collaborate with data scientists and engineers to design, develop, and deploy advanced AI solutions that enhance data quality for end-user products.

You will guide junior team members, work with product leaders to align AI with business goals, and lead small to mid-sized teams while applying governance and best practices.

Qualifications

• 7–10 years of relevant work experience with a Masters, or 6 years with a PhD.
• Advanced education in CS, Math, Statistics, or related field.
• Experience with large language models and transformer architectures like BERT, RoBERTa, T5.
• Experience with big data technologies (Hadoop, Spark, AWS).
• Experience applying LLMs (ChatGPT, GPT‑3.5, Claude, Mistral).
• Proven ability to lead and mentor data scientists and collaborate across teams.
• Strong ML background: deep learning, gradient boosting, random forests.
• Proficient in Python, R, or other data-analysis languages.

Responsibilities

• Work with data scientists and engineers to design, develop, and deploy AI solutions.
• Lead development of advanced AI and ML models to solve business problems.
• Analyze large datasets to identify patterns informing AI development.
• Collaborate with cross-functional teams to align AI with business goals.
• Evaluate and create frameworks; define methodologies and governance.
• Mentor junior data scientists on AI/ML best practices.
• Work with product leaders to apply data science solutions.
• Lead small to mid-sized teams, direct or indirect.

Skills

LLM and transformer models

Big data tools (Hadoop, Spark, AWS)

LLMs (ChatGPT, GPT-3.5, Claude, Mistrа

ML algorithms (deep learning, gradient

Python/R programming

Mentoring junior data scientists

Cross-functional collaboration

Problem solving

Education

Master’s degree in Computer Science, Mathematics, Statistics, or related field

PhD with 6+ years experience

Tools

Hadoop

Spark

AWS

Job description

Archer is collaborating with LexisNexis to connect them with exceptional professionals for this role.

Job Description

Do you want to help us build further data science capabilities?

And are you eager to work on the quality of data sources serving our end-user products?

About Our Team

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

About The Role

As a Senior Data Scientist, you will become a subject matter expert, defining projects and their execution. You will work closely with other data scientists and engineers to design, develop, and deploy cutting‑edge AI solutions. You will lead AI and machine learning model development. You’ll analyze extensive datasets and guide junior team members.

Responsibilities

• Working closely with other data scientists and engineers to design, develop, and deploy AI solutions.
• Leading the development of advanced AI and machine learning models to solve complex business problems.
• Analyzing large datasets to identify patterns and trends that can inform AI development.
• Collaborating with cross‑functional teams to ensure AI solutions are aligned with business goals and customer needs.
• Evaluating and creating new frameworks and defining methodologies and governance.
• Mentoring junior data scientists and provide guidance on AI and machine learning best practices.
• Working with product leaders to apply data science solutions.
• Leading small‑to‑medium‑sized teams (direct or indirect).

Requirements

• Masters plus 7‑10 years of work‑related experience OR PhD with 6 years of work‑related experience.
• Possess an advanced or Master’s education in Computer Science, Mathematics, Statistics, or a related field.
• Have experience working directly with large language models and transformer‑based architectures including BERT, RoBERTa, T5 etc.
• Be proficient in working with big data technologies and tools like Hadoop, Spark, or AWS.
• Have experience and knowledge of applying LLMs including ChatGPT, GPT 3.5, Claude, Mistral, etc.
• Be a natural problem solver, able to lead and mentor junior data scientists, and collaborate with cross‑functional teams.
• Demonstrate proficient experience with machine learning algorithms, including deep learning, gradient boosting, and random forests.
• Possess advanced programming skills in Python, R, or other relevant languages for data analysis.

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 well‑being 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

Benefits

We know that your well‑being 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: $115,400 – $192,300. Geographic differentials may apply in some locations to better reflect local market rates. This job is eligible for an annual incentive bonus.

We know your well‑being and happiness are key to a long and successful career. We are delighted to offer country specific benefits.

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.