Machine Learning Scientist III, Search

Location: Boston, Massachusetts, United States

Department: Data Science & Machine Learning

Team: Engineering & Technology

About the Role

Wayfair's Search and Recommendations Machine Learning team is pioneering algorithms that power the global search experience for over 22 million customers. This Machine Learning Scientist III role in Boston, MA, within the Data Science & Machine Learning department, focuses on leveraging cutting-edge techniques like deep sequence models, embeddings, and multi-modal technologies to create personalized, intuitive product discovery in Wayfair's vast catalog. While centered on search, the role supports warehouse and logistics operations by enhancing product retrieval and recommendations, streamlining inventory visibility and order fulfillment efficiency. Key responsibilities include designing scalable ML models to boost recommendation quality, building optimized retrieval systems, and improving ranking and personalization to help customers find items faster, indirectly optimizing logistics workflows. The position demands expertise in ML engineering to handle large-scale data, ensuring seamless integration with Wayfair's supply chain for faster delivery and operational excellence. Ideal candidates bring advanced ML experience tailored to e-commerce challenges, contributing to Wayfair's mission of efficient customer experiences that underpin robust warehouse operations and logistics performance.

Key Responsibilities

• Design and implement scalable machine learning models to improve product ranking and personalization
• Develop robust retrieval systems for search optimization
• Elevate recommendation quality across Wayfair's platform
• Leverage deep sequence models, embeddings, and multi-modal technologies
• Build systems to enhance user experience for 22 million customers
• Optimize algorithms for intuitive product discovery in vast catalogs
• Collaborate with cross-functional teams on global search experience
• Analyze and iterate on ML models for efficiency and personalization

Required Qualifications

• Advanced degree in Computer Science, Machine Learning, or related field
• 5+ years of experience in machine learning engineering
• Proven track record in developing scalable ML models for search or recommendations
• Strong programming skills in Python or similar
• Experience with deep learning frameworks (TensorFlow, PyTorch)
• Familiarity with large-scale data processing and distributed systems
• Knowledge of embeddings, sequence models, and multi-modal ML

Preferred Qualifications

• PhD in Machine Learning or related field
• Experience in e-commerce search optimization
• Publications in top ML conferences
• Background in logistics or supply chain recommendation systems

Required Skills

• Machine Learning model development
• Deep sequence models
• Embeddings and vector search
• Multi-modal technologies
• Python programming
• Scalable systems design
• Data processing pipelines
• Recommendation systems
• Search ranking algorithms
• Personalization techniques
• Distributed computing
• A/B testing and experimentation
• Cross-functional collaboration
• Problem-solving
• Analytical thinking

Benefits

• Competitive salary and equity package
• Comprehensive health, dental, and vision insurance
• 401(k) matching and retirement savings plan
• Generous paid time off and parental leave
• Professional development stipend and tuition reimbursement
• Flexible work arrangements and remote options
• Employee discounts on Wayfair products
• Wellness programs and gym memberships

Wayfair is an equal opportunity employer committed to diversity and inclusion.