Senior Data Scientist II

LexisNexis Risk Solutions • toronto, on, Canada • Posted June 03, 2026

Location toronto, on
Job Type Full-time
Category Other-General
Posted June 03, 2026
## .**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, feature engineer...

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