Top Tech Jobs & Startup Jobs in Boston, MA

The Principal Software Engineer will architect and lead the integration of Xometry's AI marketplace into Siemens' CAD platforms, ensuring real-time insights and collaboration with engineering teams.

Own supplier-side pricing, yield, monetization, retention, and churn analytics for a B2B marketplace. Build predictive models, data models, dashboards, cohort analyses, and A/B tests using SQL, Snowflake, dbt, and Looker. Partner with product, operations, engineering, sales, finance, and leadership to identify pricing and revenue opportunities, improve supplier retention, and translate marketplace insights into measurable business impact.

Lead the design and implementation of scalable data architecture and engineering solutions, manage partner integration, mentor engineers, and ensure best practices in data systems.

The Senior Data Scientist will analyze product data, design A/B tests, define KPIs, and collaborate with teams to improve product performance and user experience.

The Staff Machine Learning Engineer will design and deliver complex ML systems, lead integration efforts, build scalable solutions, and optimize model deployments, collaborating with various teams and mentoring peers.

As an Account Executive II, manage and convert inbound leads into customers, maintain existing accounts, and provide customer guidance throughout the sales process.

Partner with Sales to identify pricing levers and margin opportunities, monitor account- and segment-level profitability, diagnose discount and margin leakage, produce MBR insights, and collaborate cross-functionally to implement pricing, product, and operational improvements that drive revenue while protecting margin.

Lead end-to-end partner acquisition marketing for Xometrys manufacturing marketplace: design multi-channel campaigns, own funnel metrics (volume, quality, CPA), direct Paid Media/Content/MarOps execution, build nurture and re-engagement programs, generate partner insights to inform targeting and creative, and develop partner-facing positioning and content to drive qualified applications and activation.

The Mechanical Engineer will apply mechanical design and manufacturing knowledge to support AI integration, perform geometric feature analysis, assist in data labeling, and coordinate cross-functional teams for DFM initiatives.

Serve as primary point of contact for mid-market clients to design and implement full-funnel growth strategies. Lead multi-channel campaigns, define lead scoring, analyze performance (GA4/HubSpot), present KPIs, optimize programs, coordinate cross-functional teams, and travel occasionally for client meetings.