Senior Full-Stack Data Scientist - Client Experience Algorithms (Growth)

About the Team

Stitch Fix is redefining retail by blending the art of fashion with the science of machine learning. Throughout the company's history, the Algorithms Organization has been a key source of our innovation and competitive differentiation.

The Client Experience Algorithms team builds the tools that power personal style, combining best-in-class models with expert human judgment. We foster a culture of ownership where Data Scientists manage the full lifecycle of their work, from research to model deployment. You’ll use multidisciplinary tools to solve complex problems in a data-rich environment, directly influencing how millions of clients discover what they love.

About the Role

The Growth Algorithms team is responsible for optimizing our end-to-end acquisition and retention programs, from marketing to onboarding to promotions. We leverage our rich engagement and style data to build personalization models that guide each client through their style journey with Stitch Fix over time.

The Growth Algorithms role is primarily focused on improving our owned channel personalization to deepen client engagement with our products. You will own the technical strategy that unifies the client experience across surfaces, architecting and building machine learning models that surface personalized inventory and context-aware action recommendations via email, push notifications, site experiences, and beyond. 

You're excited about this opportunity because…

• You will be a primary technical owner of our human-in-the-loop augmented recommendations.
• You will work in a team that embraces both LLMs and traditional ML.
• You will manage experiments to test new features, including communication of results to stakeholders and leadership.
• You will solve problems related to recommendation ranking, hyperparameter optimization, and assortment generation. 
• You can leverage a decade's worth of rich and unique data about our clients, our merchandise, and their interactions.
• You will work with our product, product design, and engineering teams to create roadmaps for developing new client products, user features, and infrastructure. 

We’re excited about you because…

• You have 3+ years of real-world experience in leveraging Data Science to develop customer-oriented solutions with a recent focus on Recommendation Systems and Search
• You understand the nuances of A/B testing and can balance algorithmic metrics with business metrics.
• You are fluent in SQL and have experience handling large-scale datasets.
• You are proficient in building and deploying apps using the Python data ecosystem.
• You have a degree in a quantitative field such as Computer Science, Statistics, Physics, Mathematics, or a related field.
• You have strong communication skills with business partners.
• You are a team player who sees your growth and success intertwined with the growth and success of your peers.
• You are inspired to take on new challenges and do not shy away from failure.

Why you'll love working at Stitch Fix...

• We are a group of bright, kind people who are motivated by challenge. We value integrity, innovation and trust. You’ll bring these characteristics to life in everyt