Data Scientist Iii
1 week ago
RELX INC Data Scientist III in Johannesburg, South Africa
About Us: LexisNexis is a leading global provider of legal, regulatory, and business information and analytics. Our solutions are developed globally and adapted to local markets by dedicated teams.
In France, our Data Science team (15 individuals) tailors these solutions to meet the needs of the French market with French content.
Job Description: We are seeking a talented and motivated Data Scientist to join our team in Johannesburg. The successful candidate will be responsible for benchmarking embedding models and reranking models used by our legal content search services (based on RAG & LLM). Additionally, the Data Scientist will fine-tune these models using LexisNexis datasets.
This role requires a deep understanding of machine learning, natural language processing, and experience working in AWS. The Data Scientist will work closely with the French team and report to a manager based in France, while being located near the LexisNexis team responsible for adapting the product to the South African market.
Responsibilities:
- Conduct benchmarking of embedding models and reranking models for legal content search services.
- Fine-tune models using LexisNexis datasets to improve performance and accuracy.
- Collaborate with cross-functional teams to integrate models into production environments.
- Analyze and interpret complex data to provide actionable insights.
- Stay up-to-date with the latest advancements in machine learning and NLP technologies.
- Document processes, methodologies, and results for internal and external stakeholders.
Requirements:
- Bachelor's or Master's degree in Data Science, Computer Science, Statistics, or a related field.
- Proven experience in deep learning with PyTorch and Hugging Face, natural language processing, and model fine-tuning.
- Proficiency in programming languages in Python.
- Experience with AWS services and cloud-based machine learning workflows.
- Familiarity with embedding models and reranking algorithms.
- Experience with legal content or similar domain-specific data.
- Knowledge of data visualization tools and techniques.
- Interest in the French language.
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, to 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.
These are some of the benefits we are delighted to offer:
- Medical Aid
- Retirement Plan inclusive of Risk Benefits (Disability, Critical Illness, Life Cover & Funeral Cover)
- Modern family benefits, including adoption and surrogacy.
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.
LexisNexis, a division of RELX, is 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. We are committed to providing a fair and accessible hiring process.
If you have a disability or other need that requires accommodation or adjustment, please let us know by completing our Applicant Request Support Form or please contact 1. Please read our Candidate Privacy Policy.
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