Staff Software Engineer

Xometry is looking for a Staff Software Engineer to join our Core Platform team. This role is a strategic technical leadership position focused on the architectural evolution of our flagship enterprise partnership. While current plug-ins function as external add-ons, the role is responsible for re-architecting Xometry's core application services to live natively within the partner's digital ecosystem, shaping technical direction of multiple products and establishing engineering patterns that allow Xometry's AI to operate directly on the partner's native 3D geometry. This role requires a hybrid schedule (3 days a week) at the North Bethesda, MD or Waltham, MA office location.

Responsibilities

Software Development and Technical Craft: design high-performance solutions that extend beyond a single org, establishing organizational standards for how Xometry-AI is embedded into external PLM environments; AI Fluency: lead the effort to integrate production ML pipelines into the application layer, ensuring optimized model serving and real-time geometry analysis, and champion AI-assisted development practices; Problem Solving and Decision Making: solve significant and unique challenges regarding data gravity and security, create formal networks between partner's and Xometry's engineering groups for ring-fenced data governance; Scope and Impact: establish strategic direction and lead execution of core integration, ensuring DFM and IQE AI engines create a distinct, defensible edge; Collaboration and Communication: facilitate technical discourse across the Xometry organization, act as primary point of contact for senior leadership, guide risk/reward conversations; Operational Excellence: define reliability and security standards for enterprise-grade deployments, ensure seamless multi-tenant management

Requirements

12+ years of professional software development experience, with a history of scaling complex platforms; Expert-level mastery of Python, AWS infrastructure, and modern frontend frameworks (React/NextJS) used for complex enterprise applications; Proven experience shaping the technical direction of multiple teams and establishing engineering patterns as organizational standards; A track record of securing endorsement for 6-12 month initiatives and driving them to successful production deployment; The ability to influence senior leadership and external partners on technical strategy and long-term technology investments; Bachelor's in Computer Science or related field, or equivalent experience

Nice to have

Background in building "Software as a Service" (SaaS) platforms or complex B2B integration hubs; Experience with manufacturing, logistics, or CAD/PLM software ecosystems; Deep understanding of enterprise data controls, dedicated tenants, and SOC2/ISO compliance within a cloud environment; Experience architecting large-scale ML platforms or high-frequency marketplace engines

Benefits

401(k) match; Medical, dental, and vision insurance; Life and disability insurance; Generous paid time off including vacation, sick leave, floating and fixed holidays; Maternity and bonding leave; Employee Assistance Program (EAP) and other wellbeing resources; A stipend for catered lunch on Tuesdays and Thursdays; Annual bonus; Equity