Senior Data Scientist II at LexisNexis… · Toronto

Senior Data Scientist II Location: Toronto 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 engineering, and model evaluation. Troubleshoot and debug AI models and applications in a mono-repo settings. Document AI models, processes, and workflows. Qualifications: Proven experience in Agentic drafting Proven experience as an Sr DS II or similar role. Strong proficiency in Python programming. In-depth knowledge of Retrieval-Augmented Generation (RAG) models. Proven experience in prompt engineering. Experience with machine learning frameworks and libraries (e.g., TensorFlow, PyTorch). Proficiency in data preprocessing and feature engineering techniques. Excellent problem-solving skills and attention to detail. Strong communication and teamwork abilities. Preferred Skills: Experience with cloud platforms (e.g., AWS, Azure, Google Cloud). Knowledge of natural language processing (NLP) techniques. Familiarity with version control systems (e.g., Git). Experience with deploying AI models in production environments. 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 well-being initiatives, shared parental leave, study assistance, and sabbaticals, we will 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. Working for you We know that your well-being and happiness are key to a long and successful career. These are some of the benefits we are delighted to offer: Health Benefits: Comprehensive, multi-carrier program for medical, dental and vision benefits Retirement Benefits: 401(k) with match and an Employee Share Purchase Plan Wellbeing: Wellness platform with incentives, Headspace app subscription, Employee Assistance and Time-off Programs Short-and-Long Term Disability, Life and Accidental Death Insurance, Critical Illness, and Hospital Indemnity Family Benefits, including bonding and family care leaves, adoption, and surrogacy benefits Health Savings, Health Care, Dependent Care and Commuter Spending Accounts Up to two days of paid leave each to participate in Employee Resource Groups and to volunteer with your charity of choice 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. #AIFluency Primary Location Base Pay Range: Home Based - Canada ON $101,800 - $151,800 (CAD). This job is eligible for an annual incentive bonus. This posting is for an existing vacancy. We know your well-being and happiness are key to a long and successful career. We are delighted to offer country specific benefits. Click here to access benefits specific to your location. 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 1-855-833-5120. Criminals may pose as recruiters asking for money or personal information. We never request money or banking details from job applicants. Learn more about spotting and avoiding scams here. Please read our Candidate Privacy Policy. We are 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. USA Job Seekers: EEO Know Your Rights.