Principal Data Scientist

Job Summary

Working remotely, the full-time salaried Principal Data Scientist will manage the full machine learning lifecycle to design, develop, and productionize models that enhance personalization and recommendation systems at Stitch Fix.

Key responsibilities:

• Design, develop, and evaluate machine learning models to improve personalization and recommendation systems
• Advance foundational modeling capabilities, including client and item representations and recommendation models
• Collaborate with cross-functional teams to translate research and emerging ML techniques into reliable systems

Required qualifications:

• Bachelor's Degree in a quantitative field; Master's Degree or PhD preferred
• 8+ years of experience in deploying machine learning solutions, particularly in personalization
• Proficiency in Python and experience with large-scale datasets using SQL and distributed data-processing technologies
• Familiarity with modern deep-learning frameworks such as PyTorch or TensorFlow
• Strong understanding of model evaluation, A/B testing, and translating improvements into business outcomes