LexisNexis needs to hire a Senior Data Scientist to focus on search and create next-generation AI and Machine Learning techniques and strategies for their global expansion, specifically for their flagship product, LexisNexis Legal & Professional, and the recently launched Lexis+ AI.
Requirements
- 5-10+ years of experience in AI and machine learning, model building, evaluation, and fine-tuning
- 2+ years of working knowledge of applying recent LLMs including ChatGPT, GPT 3.5, OPT, BLOOM, etc. UTILIZING RAG
- Proficient in Python programming
- Experience working directly with large language models and Transformer based architectures including BERT, RoBERTa, T5 etc
- NLP Experience (Named Entity Recognition, Sentiment Analysis, Text Summarization)
- Experience with conversational search / semantic search, reinforcement learning, prompt engineering, hallucination mitigation
- Strong coding skills in Python 7+ years
Responsibilities
- Solve some of the most challenging problems in natural language processing, machine learning, and information retrieval including topical classification, sentiment analysis, user intent detection
- Research, build, and deploy models based on both shallow and deep machine learning
- Apply machine learning techniques for improving search algorithms
- Drive best practices for NLP/Machine Learning pipelines
- Maintain current knowledge base of state-of-the-art ML algorithms (BERT, ELMo, GPT, etc.), API's, and open-source methods and be able to quickly evaluate alternatives
- Translate complex business requirements into actionable stories with reasonable time estimates
- Work with product leaders to apply data science solutions
Other
- Master's or PhD Preferred
- 4+ years of experience in AI and machine learning
- Be a natural problem solver, able to take a lead in collaborating to resolve issues
- Have communication skills
- Experience working with AWS, RAG, SageMaker, SQL
