Principal Data Scientist - Gen AI

<div class="content-intro"><p><span style="font-size: 10pt; font-family: arial, helvetica, sans-serif;">Xometry (NASDAQ: XMTR) powers the industries of today and tomorrow by connecting the people with big ideas to the manufacturers who can bring them to life. Xometry’s digital marketplace gives manufacturers the critical resources they need to grow their business while also making it easy for buyers at Fortune 1000 companies to tap into global manufacturing capacity.</span></p></div><p><span style="font-family: arial, helvetica, sans-serif; font-size: 10pt;">Xometry is seeking an exceptional Principal Data Scientist to join our Generative AI team. The ideal candidate will have a passion for advancing machine learning and generative AI capabilities, particularly for fine-tuning generative and language models, multimodal document understanding, and structured data extraction. This role will also serve as a key technical leader for high-stakes strategic initiatives, including the DFM AI + IQE integration with <strong>Siemens</strong>. In this role, you will serve as a technical leader, owning a 12 month technical roadmap, driving large-scale cross-functional ML and AI initiatives, and setting the long-term scientific direction for AI-driven solutions that enhance Xometry's service offerings.</span></p> <p><span style="font-family: arial, helvetica, sans-serif; font-size: 10pt;">This role requires a hybrid schedule (3 days a week) at our Waltham, MA or North Bethesda, MD office location.</span></p> <h3><span style="font-family: arial, helvetica, sans-serif; font-size: 10pt;"><strong>How You'll Contribute</strong></span></h3> <ul> <li style="font-family: arial, helvetica, sans-serif; font-size: 10pt;"><span style="font-family: arial, helvetica, sans-serif; font-size: 10pt;"><strong>Technical Vision and Roadmap:</strong> Own and drive an 18-24 month technical roadmap that balances innovation with disciplined business value delivery. Lead strategic planning and roadmap development for generative AI initiatives, identifying high-impact projects and aligning them with Xometry’s business objectives.</span></li> <li style="font-family: arial, helvetica, sans-serif; font-size: 10pt;"><span style="font-family: arial, helvetica, sans-serif; font-size: 10pt;"><strong>Generative AI Development:</strong> Develop and deploy generative AI models and large language models (LLMs) for multimodal document processing, focusing on extracting structured data from technical drawings, purchasing orders, and other complex documents. Lead the exploration and development of innovative text and image-based data processing solutions, including training and fine-tuning generative and langu