LexisNexis

Senior Data Scientist II

📍 Location
toronto, on
⏰ Job Type
Full-time
📅 Posted
June 04, 2026
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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. Write clean, efficient, and maintainable code in Python. Perform data preprocessing, fe...

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