Senior Software Engineer

Xometry
United States, Massachusetts, Boston
Oct 02, 2025
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. Xometry isseeking a Senior Software Engineer to join our software engineering organization. In this role, you'll work as part of a skilled, collaborative team to build and maintain solutions for the Post Order/Order Management team. You will play a crucial role in the Xometry platform, ensuring the reliability, scalability, and security of our services. Responsibilities: Software Development - Design, code, test, and release software across the stack Infrastructure & DevOps - Configure, optimize, and troubleshoot CI/CD pipelines and infrastructure-as-code (IaC) Cloud Engineering - Build and maintain scalable, event-driven architectures using AWS services Observability & Reliability - Own operational responsibility for team microservices, implementing monitoring, logging, and alerting best practices Collaboration - Work closely with engineers, product managers, and designers to deliver high-quality solutions On-Call Support - Participate in an on-call rotation for critical systems Continuous Improvement - Work in an environment that supports your individual growth while improving team processes Qualifications: 5+ years of professional software development experience in a fast-paced, product-driven environment. Marketplace product experience is highly desirable, with an understanding of scaling multi-sided platforms. Strong technical expertise in full-stack development, including: - Backend development with Python (services, APIs, data-driven systems). - Backend microservices and REST API design using Node.js. - Frontend development with React and TypeScript, with a focus on scalable UI design and usability. Experience with AWS is required, including deploying, monitoring, and scaling production workloads. Proven leadership skills, with the ability to set technical direction, mentor engineers across levels, and influence product and business decisions. Excellent communication and collaboration abilities, comfortable engaging with both technical and non-technical stakeholders, from junior ICs to executives. #LI-Hybrid Xometry is an equal opportunity employer. All applicants will be considered for employment without attention to race, color, religion, sex, sexual orientation, gender identity, national origin, veteran, or disability status. For US based roles: Xometry participates in E-Verify and after a job offer is accepted, will provide the federal government with your Form I-9 information to confirm that you are authorized to work in the U.S.