Principal Data Scientist - Gen AI

The role

This role leads generative AI and machine learning work at Xometry, including fine-tuning language models, multimodal document understanding, and structured data extraction. The person will own a multi-month technical roadmap and act as technical architect for the DFM AI + IQE integration with Siemens.

What you will do

• Own and drive an 18-24 month technical roadmap for generative AI initiatives.
• Develop and deploy generative AI models and LLMs for multimodal document processing and structured data extraction from technical drawings and purchase orders.
• Provide technical leadership and set standards for the Generative AI team.
• Influence roadmaps and priorities of engineering, product, and business teams.
• Serve as technical architect for integrating Xometry's AI into the Siemens ecosystem (Designcenter and Teamcenter).
• Design data preparation and augmentation workflows and use cloud platforms such as AWS for training and deployment.
• Mentor scientists and engineers across the organization.
• Stay current with research in generative AI, deep learning, and multimodal data processing.

Required qualifications

• Typically 10+ years of applied ML and data science experience; or a PhD with 6+ years of relevant experience.
• Bachelor's degree required.
• Expert-level proficiency in Python and advanced scientific computing.
• Proficiency with PyTorch, TensorFlow, pandas, and numpy.
• Recognized depth in machine learning and statistical methodology.
• Experience with large-scale language and vision models (e.g., Transformers, GPT, VLMs).
• Experience with multimodal data processing combining text, image, and 3D data.
• Background in probability, statistics, and optimization relevant to generative modeling.
• Track record of driving 18-24 month technical initiatives.
• Familiarity with cloud tools for model training and deployment (e.g., AWS SageMaker) and software engineering practices such as version control and continuous integration.
• Exceptional influence and communication skills with executives and cross-functional partners.

Nice to have

• Advanced degree (M.S. or PhD) in computer science, machine learning, AI, or a related field.
• Experience in manufacturing, supply chain, or similar industries.

Benefits

• 401(k) match
• Medical, dental, and vision insurance
• Life and disability insurance
• Generous paid time off including vacation and sick leave
• Floating and fixed holidays
• Maternity and bonding leave
• Employee assistance program (EAP) and other wellbeing resources

Before you apply

• Xometry participates in E-Verify; after an offer is accepted, Form I-9 information is provided to the federal government to confirm work authorization in the U.S.

About the company

Xometry (NASDAQ: XMTR) connects people with ideas to manufacturers through a digital marketplace. Its platform helps manufacturers grow and gives Fortune 1000 buyers access to global manufacturing capacity.