Xometry

Principal Software Engineer

Xometry
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2 months ago
Waltham, MA, USAStaff+
H1B sponsor

Base Salary

$200k - $225k/yr

Responsibilities

  • Lead discovery, architectural design, and adoption of a flagship embedded partner integration.
  • Design extensible and scalable systems for native 3D geometry data flows and real-time AI insights.
  • Build and optimize geometry-processing pipelines and collaborate with Data Science to deliver sub-second IQE performance.
  • Define AI fluency standards and coach Staff and Senior engineers on AI-assisted architecture, design, and development workflows.
  • Lead cross-team technical decisions and execute multi-quarter integration roadmaps.
  • Serve as the primary technical contact for partner engineering teams and mentor engineers through complex design reviews.
  • Own reliability, security, monitoring, and alerting for integration microservices and enterprise PLM transactions.

Requirements

  • 8–12+ years of professional software development experience and a record of leading complex, multi-quarter initiatives.
  • Deep proficiency with Python, React, TypeScript, and AWS cloud infrastructure.
  • Significant experience with system architecture, microservices, distributed systems, and high-volume data exchange across enterprise ecosystems.
  • Demonstrated success introducing architectural patterns adopted across teams and building enterprise-grade integrations beyond simple API wrappers.
  • Bachelor’s degree in Computer Science, Engineering, or a related field, or equivalent practical experience.
  • Preferred experience with enterprise CAD/PLM platforms such as Dassault/SolidWorks or Autodesk.
  • Preferred understanding of B-Rep, mesh formats, and 3D modeling workflows.
  • Preferred experience in e-commerce, fintech, or B2B marketplaces and in dedicated-tenant or ring-fenced solutions for high-security enterprise clients.

Benefits

  • Hybrid schedule requiring three days per week at the North Bethesda, Maryland or Waltham, Massachusetts office.
  • 401(k) match; medical, dental, and vision insurance; life and disability insurance; paid vacation, sick leave, floating and fixed holidays; maternity and bonding leave; EAP; and other wellbeing resources.
Xometry

About Xometry

1,001-5,000 employees

Xometry builds an AI-enabled marketplace that connects engineers and procurement teams with a vetted global network of manufacturers for on-demand CNC machining, 3D printing, sheet metal, and injection molding. The company earns fees by brokering instant-quote RFQs and managing production, logistics, and quality across its supplier base. Founded in 2013, Xometry is a publicly traded company (NASDAQ: XMTR) based in the Washington, DC–Baltimore area and serves buyers from startups to Fortune 1000 firms.

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