Staff Software Engineer

Role Overview

Xometry is seeking 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.

You will be responsible for re-architecting Xometry’s core application services to live natively within our partner's digital ecosystem. You will shape the technical direction of multiple products, establishing engineering patterns that allow Xometry’s AI to operate directly on our partner's native 3D geometry to deliver zero-latency DFM feedback and one-click procurement.

*Note: This role requires a hybrid schedule (3 days a week) at our North Bethesda, MD or Waltham, MA office location.*

How You'll Contribute

• Software Development and Technical Craft: Design high-performance solutions extending beyond a single organization, establishing standards for embedding Xometry-AI into external PLM environments, and ensuring enterprise SLIs/SLOs are met.
• AI Fluency: Lead efforts to integrate production ML pipelines into the application layer with optimized model serving and real-time geometry analysis. Champion AI-assisted development practices and mentor engineers.
• Problem Solving and Decision Making: Address unique data gravity and security challenges. Establish data governance practices where part files remain securely within partner network infrastructure.
• Scope and Impact: Establish strategic direction and lead the execution of core integration, uniting DFM and IQE AI engines for a defensible edge.
• Collaboration and Communication: Facilitate technical discourse across Xometry, guide risk/reward conversations with senior leadership, and drive cross-functional alignment.
• Operational Excellence: Define reliability and security standards for enterprise-grade partner-hosted or Xometry-hosted deployments, ensuring multi-tenant management.

Qualifications

Required

• 12+ years of professional software development experience, scaling complex platforms.
• Expert-level mastery of Python, AWS infrastructure, and modern frontend frameworks (React/Next.js) for enterprise applications.
• Proven track record as a systems architect shaping technical direction across multiple teams.
• Experience securing endorsement for 6–12 month initiatives and driving them to successful production deployment.
• Strong ability to influence senior leadership and external partners on technical strategy.
• Bachelor’s in Computer Science or related field, or equivalent experience.

Preferred

• Background in building SaaS platforms or complex B2B integration hubs.
• Experience in manufacturing, logistics, or CAD/PLM software ecosystems.
• Deep understanding of enterprise data controls, dedicated tenants, and SOC2/ISO compliance.
• Experience architecting large-scale ML platforms or high-frequency marketplace engines.