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