Senior Data Scientist - GenAI
Role: Senior Data Scientist - GenAI Location: 100% remote (Nearshore Canada) Type: Contract Company name: Sephora We are seeking a Senior Data Scientist with deep expertise in Large Language Models (LLMs) and Generative AI to join the GenAI team. This role involves end-to-end ownership of AI solution development—from data preparation and model training to deployment and optimization. You’ll collaborate with cross-functional teams to drive impactful GenAI applications that enhance customer experience and business performance. Location: 100% Remote (Nearshore – LATAM, Canada, or similar time zones preferred) Responsibilities: Design, train, fine-tune, and evaluate LLMs for a wide range of business use cases Collect, clean, and preprocess large-scale textual and structured datasets Optimize prompts and models for performance, accuracy, and relevance Collaborate with engineering and product teams to integrate models into production Communicate insights effectively to technical and non-technical stakeholders Stay current on the latest advancements in GenAI and NLP Mentor junior data scientists and contribute to team development Qualifications: Master’s or Ph.D. in Computer Science, NLP, Machine Learning, or related field (preferred) 8+ years of experience in data science, with a strong focus on NLP and deep learning Hands-on experience developing and deploying LLM-based solutions in production Proficiency in Python, PyTorch, TensorFlow, and modern NLP/ML frameworks Familiarity with cloud platforms such as Azure and Databricks Experience with data visualization tools (e.g., Tableau, ThoughtSpot) Strong communication, collaboration, and problem-solving skills
Role: Senior Data Scientist - GenAI Location: 100% remote (Nearshore Canada) Type: Contract Company name: Sephora We are seeking a Senior Data Scientist with deep expertise in Large Language Models (LLMs) and Generative AI to join the GenAI team. This role involves end-to-end ownership of AI solution development—from data preparation and model training to deployment and optimization. You’ll collaborate with cross-functional teams to drive impactful GenAI applications that enhance customer experience and business performance. Location: 100% Remote (Nearshore – LATAM, Canada, or similar time zones preferred) Responsibilities: Design, train, fine-tune, and evaluate LLMs for a wide range of business use cases Collect, clean, and preprocess large-scale textual and structured datasets Optimize prompts and models for performance, accuracy, and relevance Collaborate with engineering and product teams to integrate models into production Communicate insights effectively to technical and non-technical stakeholders Stay current on the latest advancements in GenAI and NLP Mentor junior data scientists and contribute to team development Qualifications: Master’s or Ph.D. in Computer Science, NLP, Machine Learning, or related field (preferred) 8+ years of experience in data science, with a strong focus on NLP and deep learning Hands-on experience developing and deploying LLM-based solutions in production Proficiency in Python, PyTorch, TensorFlow, and modern NLP/ML frameworks Familiarity with cloud platforms such as Azure and Databricks Experience with data visualization tools (e.g., Tableau, ThoughtSpot) Strong communication, collaboration, and problem-solving skills
