Stitch Fix, Inc. logo

Principal Full-Stack Data Scientist - Recommendation Algorithms

Job Overview

Location

Remote, USA

Job Type

Full-time

Category

Data Science

Date Posted

May 4, 2026

Full Job Description

đź“‹ Description

  • • As a Principal Full-Stack Data Scientist in Recommendation Algorithms at Stitch Fix, you will lead the development of outfit completion models that combine client preferences, stylist expertise, and machine learning to inspire personalized and cohesive outfits, directly impacting how millions of clients discover styles they love.
  • • You will drive end-to-end model development from research to production, design and implement state-of-the-art deep learning models in PyTorch, mentor fellow data scientists, own experimentation strategies, and partner cross-functionally with Product, Engineering, and Design to shape the roadmap for outfit-based experiences.
  • • Stitch Fix is redefining retail by blending fashion with machine learning through its Client Experience Algorithms Organization, fostering a culture of ownership where Data Scientists manage the full lifecycle of their work in a data-rich environment that directly influences client discovery and satisfaction.
  • • In this role, you will tackle ambiguous, high-impact problems with technical leadership, leverage multi-modal datasets including client behavior and merchandise attributes, and grow your expertise in recommendation systems, causal inference, and production ML systems while advancing your leadership and technical impact.

🎯 Requirements

  • • 5+ years of experience building and deploying machine learning models, including deep learning models in frameworks such as PyTorch
  • • Strong experience with recommendation systems, ranking, retrieval, embeddings, or generative modeling
  • • Demonstrated technical leadership, including mentoring individual contributors, leading projects, or setting modeling direction
  • • Comfortable owning ambiguous problem spaces and driving projects from concept to production
  • • Deep experience with experimentation and causal inference, with ability to connect model improvements to business outcomes
  • • Fluency in SQL and experience working with large-scale datasets
  • • Proficiency in Python and experience building production-ready data science systems
  • • Effective communicator who can influence cross-functional partners and align teams around a shared vision

🏖️ Benefits

  • • Competitive salary aligned with a range of $142,100 to $237,000 USD based on location, experience, and performance
  • • Annual bonus eligibility and ongoing grants of restricted stock units based on individual and company performance
  • • Comprehensive compensation package including medical, dental, vision, and other health and wellness benefits
  • • Opportunity to work with a diverse, innovative team that values integrity, trust, and growth mindset
  • • Equity and sustainability centered culture where employees are owners of their work and energized by solving complex problems

Skills & Technologies

Python
Express
PyTorch
Full Stack
Senior
Remote

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Stitch Fix, Inc. logo
Stitch Fix, Inc.
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About Stitch Fix, Inc.

Stitch Fix, Inc. is an online personal styling service that combines data science with human expertise to select and ship apparel, shoes, and accessories to clients. Founded in 2011 and headquartered in San Francisco, the company operates primarily in the United States and United Kingdom. Customers complete style profiles, pay a styling fee, and receive curated boxes they can keep or return. Stitch Fix went public in 2017 and trades on the Nasdaq under SFIX. The business model integrates proprietary algorithms with stylists to forecast demand, manage inventory, and personalize merchandise for individual clients.

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