Senior Data Scientist II

LexisNexis

📍 toronto, on, Canada

Full-time Other-General Posted June 01, 2026

Job Description

Job Title: Sr DS II (RAG Specialist with Strong Python Skills)
Job Description
We are seeking a highly skilled Sr DS II with expertise in Retrieval-Augmented Generation (RAG) and strong Python programming skills to join our innovative team. The ideal candidate will have a deep understanding of AI and machine learning principles, experience with RAG models, and a passion for developing cutting-edge AI solutions.
Key Responsibilities

  • Test, evaluate and and implement AI models with a focus on Retrieval-Augmented Generation (RAG).
  • Strong prompt engineering and prompt testing skills to derive the desired outcome
  • Collaborate with cross-functional teams to integrate AI solutions into existing systems.
  • Optimize and fine-tune RAG models for performance and scalability cost saving.
  • Conduct research and stay up-to-date with the latest advancements in AI and machine learning.
  • Writ...