Principal Software Engineer

🏢 Summary: Senior Principal Software Engineer role focused on leading full-stack architecture and implementation across multiple engineering teams for a manufacturing marketplace platform. The position involves hands-on technical leadership, mentorship, scalable system design, and collaboration with cross-functional stakeholders to build reliable partner-facing solutions. The offer includes competitive compensation, bonus eligibility, and comprehensive benefits. 🗂️ Requirements: 15+ years of professional software development experience, Experience in fast-paced product-driven environments, Marketplace platform experience, Expertise in full-stack development, Backend development with Python, Microservices and REST API design with Node.js, Frontend development with React and TypeScript, Experience deploying and scaling workloads on AWS, Technical leadership and mentorship experience, Strong communication and collaboration skills 📃 Skills: Python, Node.js, React, TypeScript, AWS, REST, Microservices, APIs 🏢 Description: Xometry is seeking a Principal Software Engineer to join the Xometry Partner Experience Technology Organization. In this role as a senior individual contributor, you will guide software implementation across several engineering teams and influence decisions across the technology organization. You will bring deep expertise and technical leadership to help build fast, reliable, and intuitive solutions that empower partners to more easily manage jobs, streamline operations, and maximize their growth potential within the manufacturing marketplace. How You'll Contribute: - Hands-On Technical Leadership: Write and review architectural plans for new projects and participate in implementation with the team. - Guide Innovation: Champion the adoption of a balanced mix of traditional and cutting-edge technologies and methods. - Teaching & Mentorship: Mentor and guide engineers across the organization to grow their skills. - Code Review: Perform code reviews and mentor others on effective review practices. - Operational Excellence: Deliver superior software aligned with customer expectations and strategic business timelines. - Collaborative Strategy: Partner with product managers, designers, and leadership to promote communication, collaboration, and high standards. What You'll Bring: - 15+ years of professional software development experience in a fast-paced, product-driven environment - Marketplace product experience with understanding of scaling multi-sided platforms - Strong full-stack development expertise including: - Backend development with Python, including services, APIs, and data-driven systems - Backend microservices and REST API design using Node.js - Frontend development with React and TypeScript focused on scalable UI design and usability - Experience with AWS, including deploying, monitoring, and scaling production workloads - Proven leadership skills with ability to set technical direction and mentor engineers - Excellent communication and collaboration abilities with technical and non-technical stakeholders Compensation and Benefits: - Base salary range: $148,000 - $193,000 annually plus bonus - 401(k) match - Medical, dental, and vision insurance - Life and disability insurance - Generous paid time off including vacation, sick leave, holidays, maternity and bonding leave - Employee assistance and wellbeing resources Xometry is an equal opportunity employer. For US-based roles, Xometry participates in E-Verify and will confirm work authorization after offer acceptance.

🏢 Summary: Senior Software Engineer role focused on building and maintaining buyer-facing features for an online custom manufacturing marketplace. The position involves full-stack development, technical leadership, mentoring engineers, and improving software quality and scalability in a fast-paced product environment. 🗂️ Requirements: 6+ years of software development experience, Experience in fast-paced product-driven environments, Experience with e-commerce or marketplace products, Strong full-stack development expertise, Proficiency in Python backend development, Experience with React, TypeScript, HTML, CSS, and DOM, Experience with AWS or other cloud hosting services, Knowledge of SQL and MongoDB, Experience with Docker and Kubernetes, Strong debugging skills, Experience with unit and integration testing, Strong communication and execution skills 📃 Skills: Python, React, TypeScript, HTML, CSS, DOM, AWS, SQL, MongoDB, Docker, Kubernetes 🏢 Description: Xometry is seeking a Senior Software Engineer to join the buyer experience organization. You will be responsible for leading initiatives to build new features and maintain existing systems that drive the experience of buying custom manufacturing via the Xometry website. You will work closely with a product manager and peer and senior engineers to continue growing platform capabilities and the buyer experience of online custom manufacturing. How You'll Contribute: - Hands-On Technical Leadership: Adopt a lead-by-example approach by actively coding and troubleshooting - Leadership & Teaching: Guide and mentor engineers on the team to help grow their skills - Code Review: Perform code reviews, mentor others on effective review practices, and establish strong coding patterns and designs - Operational Excellence: Deliver high-quality software that exceeds customer expectations while aligning with strategic business timelines What You'll Bring: - At least 6+ years of experience in software development in a fast-paced, product-driven environment - Experience with an e-commerce or marketplace product is highly desired - Strong technical expertise with attention to long-term strategy and roadmap considerations - Full-stack development experience with the following technologies: - Python backend - Frontend web technologies including React, TypeScript, HTML, DOM, and CSS - Cloud hosting services, preferably AWS - SQL and MongoDB - Containerization technologies including Docker and Kubernetes - Strong execution and communication skills - Excellent debugging skills - Understanding of unit and integration testing Benefits: - Estimated base salary range of $119,000–$155,000 annually plus bonus - 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 and wellbeing resources Xometry is an equal opportunity employer. For US-based roles, participation in E-Verify is required after acceptance of a job offer.

🏢 Summary: Principal Software Engineer role focused on leading the design and development of distributed systems that combine ML predictions, part geometry, and customer data to optimize manufacturing cost and partner selection. The position blends hands-on coding with technical leadership, driving best practices and innovation across AI/ML engineering teams. It requires strong experience in cloud-native and distributed architectures within a collaborative, fast-paced environment. 🗂️ Requirements: 8+ years of software engineering experience, 4+ years as technical leader of engineering teams, Bachelor’s degree in Computer Science or related field, Proficiency in object-oriented design, code versioning, and testing practices, Experience with cloud platforms (AWS, GCP, or Azure), Experience with containerization technologies, Experience designing and managing distributed systems, Hands-on coding and code review experience in ML engineering contexts, US Citizen or Green Card holder (ITAR) 📃 Skills: AWS, GCP, Azure, Docker, Kubernetes, OOP, Git, Testing, DistributedSystems, ML 🏢 Description: 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 is seeking a Principal Software Engineer to lead the technical design and engineering of systems to predict and remediate challenges in manufacturing customers' parts. This team's solutions combine ML model predictions, part geometry information, and customer information to help us accurately predict manufacturing cost and find the partners to manufacture parts successfully. This role does not require previous knowledge of manufacturing or ML, though it is helpful. The ideal candidate will have at least 8+ years of total experience in the industry, including a minimum of 4 years as technical leader of a fast-moving, collaborative team. This position requires both technical leadership and hands-on contribution. Our teams are highly collaborative, cross-functional, and rapidly iterating and innovating. Responsibilities: Hands-On Technical Leadership: Adopt a 'lead by example' approach by actively coding and troubleshooting, as well as creating documentation and technical diagrams. Teaching & Mentorship: You will serve as a technical mentor and guide to engineers across the organization, teaching and mentoring them to grow their skills. Code Review: You will do code review and mentor others within the organization regarding best practices in ML Engineering. Operational Excellence: Guarantee the delivery of superior infrastructure and software that not only meets but exceeds customer expectations, while aligning with the strategic business timelines. Collaborative Strategy: Forge strong partnerships with product managers, data scientists, and company leadership to promote a culture of open communication and integrated team dynamics. Guide Innovation: Champion the adoption of cutting-edge technologies, methodologies, and practices to enhance problem-solving efficiency and effectiveness across the AI/ML organization. Qualifications: At least 8 years of experience in software engineering or similar technical roles. A bachelor's degree is required, but an advanced degree (M.S. or PhD) in computer science or a related field is preferred and may substitute for some years of experience. Proficiency in software engineering best practices, including object-oriented design, code versioning, and testing as well as experience improving a team's use of these practices Experience with cloud platforms (e.g., AWS, Google Cloud, Azure) and containerization technologies (Docker and Kubernetes) Experience designing, building, and managing distributed computing systems Excellent communication and interpersonal skills, with the ability to collaborate effectively with cross-functional teams Demonstrated ability to manage multiple projects simultaneously, prioritizing tasks and managing resources effectively Demonstrated ability to interact and communicate effectively at all levels of the organization, from executives to product managers and a wide variety of stakeholders and contributors Must be a US Citizen or Green Card holder (ITAR) The estimated base salary range for new hires into this role is $148,000- $193,000 annually + annual bonus depending on factors such as job-related skills, relevant experience, and location. We also offer a competitive benefits package, including 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; EAP, other wellbeing resources; and much more. #LI-HybridXometry 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.

🏢 Summary: Principal Software Engineer role focused on leading the design and development of distributed systems that combine ML predictions, part geometry, and customer data to improve manufacturing cost estimation and partner selection. The position blends hands-on coding with technical leadership, driving best practices, infrastructure excellence, and AI/ML innovation across cross-functional teams. 🗂️ Requirements: 8+ years software engineering experience, 4+ years technical leadership experience, Bachelor’s degree in Computer Science or related field, Proficiency in object-oriented design, Experience with code versioning and testing practices, Experience with cloud platforms, Experience with Docker and Kubernetes, Experience designing distributed systems, US Citizenship or Green Card (ITAR) 📃 Skills: Python, Java, AWS, GCP, Azure, Docker, Kubernetes, ML, DistributedSystems, Git, CI/CD, OOP 🏢 Description: 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 is seeking a Principal Software Engineer to lead the technical design and engineering of systems to predict and remediate challenges in manufacturing customers' parts. This team's solutions combine ML model predictions, part geometry information, and customer information to help us accurately predict manufacturing cost and find the partners to manufacture parts successfully. This role does not require previous knowledge of manufacturing or ML, though it is helpful. The ideal candidate will have at least 8+ years of total experience in the industry, including a minimum of 4 years as technical leader of a fast-moving, collaborative team. This position requires both technical leadership and hands-on contribution. Our teams are highly collaborative, cross-functional, and rapidly iterating and innovating. Responsibilities: Hands-On Technical Leadership: Adopt a 'lead by example' approach by actively coding and troubleshooting, as well as creating documentation and technical diagrams. Teaching & Mentorship: You will serve as a technical mentor and guide to engineers across the organization, teaching and mentoring them to grow their skills. Code Review: You will do code review and mentor others within the organization regarding best practices in ML Engineering. Operational Excellence: Guarantee the delivery of superior infrastructure and software that not only meets but exceeds customer expectations, while aligning with the strategic business timelines. Collaborative Strategy: Forge strong partnerships with product managers, data scientists, and company leadership to promote a culture of open communication and integrated team dynamics. Guide Innovation: Champion the adoption of cutting-edge technologies, methodologies, and practices to enhance problem-solving efficiency and effectiveness across the AI/ML organization. Qualifications: At least 8 years of experience in software engineering or similar technical roles. A bachelor's degree is required, but an advanced degree (M.S. or PhD) in computer science or a related field is preferred and may substitute for some years of experience. Proficiency in software engineering best practices, including object-oriented design, code versioning, and testing as well as experience improving a team's use of these practices Experience with cloud platforms (e.g., AWS, Google Cloud, Azure) and containerization technologies (Docker and Kubernetes) Experience designing, building, and managing distributed computing systems Excellent communication and interpersonal skills, with the ability to collaborate effectively with cross-functional teams Demonstrated ability to manage multiple projects simultaneously, prioritizing tasks and managing resources effectively Demonstrated ability to interact and communicate effectively at all levels of the organization, from executives to product managers and a wide variety of stakeholders and contributors Must be a US Citizen or Green Card holder (ITAR) The estimated base salary range for new hires into this role is $148,000- $193,000 annually + annual bonus depending on factors such as job-related skills, relevant experience, and location. We also offer a competitive benefits package, including 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; EAP, other wellbeing resources; and much more. #LI-HybridXometry 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.

🏢 Summary: Principal Software Engineer role focused on leading the design and development of distributed systems that combine ML predictions, part geometry, and customer data to optimize manufacturing cost estimation and partner selection. The position blends hands-on coding with technical leadership, mentorship, and cross-functional collaboration in a fast-paced AI/ML environment. This is a senior-level role requiring strong experience in cloud infrastructure and scalable system architecture. 🗂️ Requirements: 8+ years of software engineering experience, Minimum 4 years as technical leader of engineering team, Bachelor’s degree in Computer Science or related field, Proficiency in object-oriented design, version control, and testing, Experience with cloud platforms (AWS, Google Cloud, or Azure), Experience with Docker and Kubernetes, Experience designing and managing distributed systems, Ability to perform code reviews and enforce ML engineering best practices, US Citizenship or Green Card (ITAR requirement) 📃 Skills: Python, AWS, GoogleCloud, Azure, Docker, Kubernetes, ML, DistributedSystems, OOP, Git, Testing 🏢 Description: 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 is seeking a Principal Software Engineer to lead the technical design and engineering of systems to predict and remediate challenges in manufacturing customers' parts. This team's solutions combine ML model predictions, part geometry information, and customer information to help us accurately predict manufacturing cost and find the partners to manufacture parts successfully. This role does not require previous knowledge of manufacturing or ML, though it is helpful. The ideal candidate will have at least 8+ years of total experience in the industry, including a minimum of 4 years as technical leader of a fast-moving, collaborative team. This position requires both technical leadership and hands-on contribution. Our teams are highly collaborative, cross-functional, and rapidly iterating and innovating. Responsibilities: Hands-On Technical Leadership: Adopt a 'lead by example' approach by actively coding and troubleshooting, as well as creating documentation and technical diagrams. Teaching & Mentorship: You will serve as a technical mentor and guide to engineers across the organization, teaching and mentoring them to grow their skills. Code Review: You will do code review and mentor others within the organization regarding best practices in ML Engineering. Operational Excellence: Guarantee the delivery of superior infrastructure and software that not only meets but exceeds customer expectations, while aligning with the strategic business timelines. Collaborative Strategy: Forge strong partnerships with product managers, data scientists, and company leadership to promote a culture of open communication and integrated team dynamics. Guide Innovation: Champion the adoption of cutting-edge technologies, methodologies, and practices to enhance problem-solving efficiency and effectiveness across the AI/ML organization. Qualifications: At least 8 years of experience in software engineering or similar technical roles. A bachelor's degree is required, but an advanced degree (M.S. or PhD) in computer science or a related field is preferred and may substitute for some years of experience. Proficiency in software engineering best practices, including object-oriented design, code versioning, and testing as well as experience improving a team's use of these practices Experience with cloud platforms (e.g., AWS, Google Cloud, Azure) and containerization technologies (Docker and Kubernetes) Experience designing, building, and managing distributed computing systems Excellent communication and interpersonal skills, with the ability to collaborate effectively with cross-functional teams Demonstrated ability to manage multiple projects simultaneously, prioritizing tasks and managing resources effectively Demonstrated ability to interact and communicate effectively at all levels of the organization, from executives to product managers and a wide variety of stakeholders and contributors Must be a US Citizen or Green Card holder (ITAR) The estimated base salary range for new hires into this role is $148,000- $193,000 annually + annual bonus depending on factors such as job-related skills, relevant experience, and location. We also offer a competitive benefits package, including 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; EAP, other wellbeing resources; and much more. #LI-HybridXometry 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.

🏢 Summary: Principal Software Engineer role leading the design and development of distributed systems that combine ML predictions, part geometry, and customer data to optimize manufacturing cost and partner selection. The position requires hands-on technical leadership, ownership of architecture, and driving best practices in ML engineering and cloud infrastructure. The engineer will guide technical strategy while actively contributing to coding, reviews, and system design. 🗂️ Requirements: 8+ years of software engineering experience, 4+ years as technical leader of engineering team, Bachelor’s degree in Computer Science or related field, Strong expertise in object-oriented design, versioning, and testing, Experience with cloud platforms, Experience with containerization technologies, Experience designing and managing distributed systems, US Citizen or Green Card holder (ITAR) 📃 Skills: Python, AWS, GCP, Azure, Docker, Kubernetes, ML, DistributedSystems, OOP, Git, Testing 🏢 Description: 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 is seeking a Principal Software Engineer to lead the technical design and engineering of systems to predict and remediate challenges in manufacturing customers' parts. This team's solutions combine ML model predictions, part geometry information, and customer information to help us accurately predict manufacturing cost and find the partners to manufacture parts successfully. This role does not require previous knowledge of manufacturing or ML, though it is helpful. The ideal candidate will have at least 8+ years of total experience in the industry, including a minimum of 4 years as technical leader of a fast-moving, collaborative team. This position requires both technical leadership and hands-on contribution. Our teams are highly collaborative, cross-functional, and rapidly iterating and innovating. Responsibilities: Hands-On Technical Leadership: Adopt a 'lead by example' approach by actively coding and troubleshooting, as well as creating documentation and technical diagrams. Teaching & Mentorship: You will serve as a technical mentor and guide to engineers across the organization, teaching and mentoring them to grow their skills. Code Review: You will do code review and mentor others within the organization regarding best practices in ML Engineering. Operational Excellence: Guarantee the delivery of superior infrastructure and software that not only meets but exceeds customer expectations, while aligning with the strategic business timelines. Collaborative Strategy: Forge strong partnerships with product managers, data scientists, and company leadership to promote a culture of open communication and integrated team dynamics. Guide Innovation: Champion the adoption of cutting-edge technologies, methodologies, and practices to enhance problem-solving efficiency and effectiveness across the AI/ML organization. Qualifications: At least 8 years of experience in software engineering or similar technical roles. A bachelor's degree is required, but an advanced degree (M.S. or PhD) in computer science or a related field is preferred and may substitute for some years of experience. Proficiency in software engineering best practices, including object-oriented design, code versioning, and testing as well as experience improving a team's use of these practices Experience with cloud platforms (e.g., AWS, Google Cloud, Azure) and containerization technologies (Docker and Kubernetes) Experience designing, building, and managing distributed computing systems Excellent communication and interpersonal skills, with the ability to collaborate effectively with cross-functional teams Demonstrated ability to manage multiple projects simultaneously, prioritizing tasks and managing resources effectively Demonstrated ability to interact and communicate effectively at all levels of the organization, from executives to product managers and a wide variety of stakeholders and contributors Must be a US Citizen or Green Card holder (ITAR) The estimated base salary range for new hires into this role is $148,000- $193,000 annually + annual bonus depending on factors such as job-related skills, relevant experience, and location. We also offer a competitive benefits package, including 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; EAP, other wellbeing resources; and much more. #LI-HybridXometry 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.

🏢 Summary: Principal Software Engineer role focused on building enterprise-grade integrations between Xometry’s AI-powered marketplace and major CAD/PLM platforms. The position involves architecting scalable microservices, embedding real-time manufacturability and pricing engines into native design environments, and leading cross-team technical initiatives. Hybrid work is required in North Bethesda, MD or Waltham, MA. 🗂️ Requirements: 8–12+ years of professional software development experience, Expertise in Python backend services and APIs, Expertise in React and TypeScript, Experience with AWS cloud infrastructure, Strong background in system architecture and microservices, Experience with distributed systems and enterprise integrations, Bachelor’s degree in Computer Science, Engineering, or related field, Experience leading complex multi-quarter technical initiatives 📃 Skills: Python, React, TypeScript, AWS, Microservices, APIs, DistributedSystems, CAD, PLM, B-Rep, Mesh, AI, Ecommerce, Fintech 🏢 Description: Xometry is looking for a Principal Software Engineer to join the Partner Ecosystems team. This team builds the high-performance integration layer that embeds Xometry's AI-native marketplace directly into leading CAD and PLM platforms. You will be the primary technical architect for a landmark partnership with a major enterprise partner. The role focuses on extracting Xometry's core AI engines (DFM and IQE) and embedding them into partner ecosystems to enable real-time manufacturability and pricing feedback on native 3D geometry. This role requires a hybrid schedule (3 days a week) at the North Bethesda, MD or Waltham, MA office location. How You'll Contribute: Software Development and Technical Craft: - Lead the discovery, architectural design, and adoption of the flagship embedded partner integration - Introduce best practices for handling native 3D geometry data flows - Ensure systems are extensible, scalable, and capable of delivering real-time AI insights AI Fluency: - Leverage AI tools to accelerate development of geometry-processing pipelines - Collaborate with the Data Science team to ensure the IQE engine performs with sub-second latency within the partner application UI - Define and promote AI fluency standards across engineering teams - Coach Staff and Senior engineers on integrating AI tooling into workflows Problem Solving and Decision Making: - Solve complex issues involving deep technical coupling between marketplace and enterprise software environments - Select methods for ring-fenced data governance and secure one-click order placement Scope and Impact: - Lead cross-team decision-making and execute multi-quarter roadmaps - Build deep native integrations that eliminate the need for design file exports Collaboration and Communication: - Act as the primary technical contact for partner engineering teams - Mentor senior and mid-level engineers through complex design reviews Operational Excellence: - Own reliability and security of integration microservices - Ensure monitoring and alerting support enterprise PLM transaction lifecycles What You'll Bring: - 8–12+ years of professional software development experience - Deep experience with Python, React, TypeScript, and AWS - Strong experience with system architecture, microservices, and distributed systems - Experience building enterprise-grade integrations - Bachelor’s degree in Computer Science, Engineering, or related field, or equivalent practical experience Preferred Qualifications: - Experience with enterprise engineering software ecosystems such as Dassault/SolidWorks or Autodesk - Understanding of B-Rep, mesh formats, and 3D modeling workflows - Experience in e-commerce, fintech, or B2B marketplaces - Experience building secure dedicated-tenant or ring-fenced enterprise solutions Compensation and Benefits: - Base salary range: $200,000 - $225,000 annually plus bonus and equity - 401(k) match - Medical, dental, and vision insurance - Life and disability insurance - Paid time off including vacation, sick leave, holidays, maternity and bonding leave - Employee assistance and wellbeing resources Xometry is an equal opportunity employer. For US-based roles, employment eligibility will be verified through E-Verify after offer acceptance.

🏢 Summary: Principal Software Engineer role focused on building enterprise-grade integrations that embed AI-powered manufacturing and quoting capabilities directly into CAD and PLM platforms. The position involves leading architecture, microservices, and real-time 3D geometry processing initiatives using Python, React/TypeScript, and AWS in collaboration with partner engineering teams. The role also includes ownership of scalable integrations, AI-enabled workflows, security, and operational reliability. 🗂️ Requirements: 8–12+ years of professional software development experience, Expertise in Python backend services and APIs, Expertise in React and TypeScript, Experience with AWS cloud infrastructure, Strong background in system architecture and distributed systems, Experience designing and operating microservices, Experience building enterprise-grade integrations, Bachelor’s degree in Computer Science, Engineering, or related field or equivalent practical experience, Ability to work hybrid from North Bethesda, MD or Waltham, MA offices 📃 Skills: Python, React, TypeScript, AWS, Microservices, APIs, PLM, CAD, B-Rep, Mesh, AI, Ecommerce, Fintech 🏢 Description: Xometry is looking for a Principal Software Engineer to join the Partner Ecosystems team. This team builds the high-performance integration layer that embeds Xometry's AI-native marketplace directly into leading CAD and PLM platforms. You will be the primary technical architect for a major enterprise partnership, responsible for embedding Xometry's AI engines into partner ecosystems. The role focuses on enabling real-time manufacturability and pricing feedback on native 3D geometry within design environments. This role requires a hybrid schedule (3 days a week) at the North Bethesda, MD or Waltham, MA office. How You'll Contribute: Software Development and Technical Craft: - Lead the discovery, architectural design, and adoption of the embedded partner integration - Introduce best practices for native 3D geometry data flows - Ensure systems are extensible, scalable, and capable of delivering real-time AI insights AI Fluency: - Use AI tools to accelerate development of geometry-processing pipelines - Collaborate with the Data Science team to optimize the Instant Quoting engine for sub-second latency - Define and promote AI fluency standards across engineering teams - Coach Staff and Senior engineers on integrating AI tooling into workflows Problem Solving and Decision Making: - Solve complex integration challenges between marketplace systems and enterprise software environments - Select methods for ring-fenced data governance and secure order placement Scope and Impact: - Lead cross-team decision-making and execute multi-quarter roadmaps - Drive deep native integrations eliminating the need for design file exports Collaboration and Communication: - Act as the primary technical contact for partner engineering teams - Mentor engineers through complex design reviews - Promote a unified digital workflow vision internally Operational Excellence: - Own reliability and security of integration microservices - Ensure robust monitoring and alerting for enterprise PLM transaction lifecycles What You'll Bring: - 8–12+ years of software development experience leading complex initiatives - Deep expertise in Python, React/TypeScript, and AWS - Strong experience with system architecture, microservices, and distributed systems - Experience building enterprise-grade integrations beyond simple API wrappers - Bachelor's degree in Computer Science, Engineering, or related field, or equivalent practical experience Preferred Qualifications: - Experience with enterprise engineering software ecosystems such as Dassault/SolidWorks or Autodesk - Understanding of B-Rep, mesh formats, and 3D modeling workflows - Experience in e-commerce, fintech, or B2B marketplaces - Experience building dedicated-tenant or ring-fenced enterprise solutions Compensation and Benefits: - Base salary range: $200,000 - $225,000 annually plus bonus and equity - 401(k) match - Medical, dental, and vision insurance - Life and disability insurance - Paid time off including vacation, sick leave, holidays, and parental leave - Employee assistance and wellbeing resources Xometry is an equal opportunity employer. For US-based roles, Xometry participates in E-Verify after offer acceptance.

🏢 Summary: Staff Software Engineer role focused on building and improving AI/ML infrastructure and data platforms that power large-scale manufacturing marketplace products. The position involves cloud infrastructure design, ML platform engineering, distributed systems, and collaboration with AI leadership to deliver scalable and reliable solutions. 🗂️ Requirements: 5+ years of experience in software engineering, machine learning engineering, cloud architecture, or similar roles, Bachelor’s degree in Computer Science, AI, Machine Learning, or related field, Understanding of parallel and distributed computing, Experience with version control and continuous integration, Experience designing and deploying cloud infrastructure for data-intensive AI/ML applications, Experience with Infrastructure as Code using Terraform, Experience designing and implementing REST APIs, Strong programming skills in Python, Experience with multimodal data processing, Experience with AWS microservices, Experience with Docker and Kubernetes, US Citizen or Green Card holder 📃 Skills: Python, AWS, Terraform, REST, Docker, Kubernetes, SageMaker, IAM, Lambda, Cloudwatch, ECR, EKS, Kinesis, Git, CI/CD 🏢 Description: 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.We are looking for a Staff Software Engineer to join our core machine learning and data platform engineering organization. In this role, you will partner closely with the AI leadership team to improve and extend the foundational infrastructure leveraged by Xometry's AI/ML solutions, including the Instant Quoting Engine®, the Computational Geometry Service, and other data products powering the Xometry marketplace. This will be a high visibility role working hands-on to deliver a core aspect of the Xometry ecosystem. You will be given the opportunity to continually challenge yourself, drive innovation, have ownership of your work, and play a crucial role in the Xometry platform. How You'll Contribute: Operational Excellence: Guarantee the delivery of superior infrastructure and software, while aligning with the strategic business timelines Guide Innovation: Champion the adoption of cutting-edge technologies, methodologies, and practices to enhance efficiency and effectiveness across the AI organization Code Review: You will do code review and mentor others within the organization regarding best practices in ML and Software Engineering Collaborative Strategy: Forge strong partnerships with product managers, engineers, and company leadership to promote a culture of open communication and integrated team dynamics What You'll Bring to Xometry: At least 5 years of experience in a fast-paced technical, problem-solving environment as a software engineer, machine learning engineer, cloud solutions architect, or similar A Bachelor's degree is required, but an advanced degree (M.S. or PhD) in computer science, machine learning, AI, or a related field is preferred and may substitute for some years of experience Demonstrable understanding of software engineering principles, including parallel and distributed computing, version control, reproducibility, and continuous integration Demonstrated experience designing and deploying cloud infrastructure (AWS preferred) to support data intensive applications, including AI/ML solutions, with considerations for scale, reliability and security Strong technical expertise. You will need to either have or demonstrate the ability ability to quickly build technical expertise in the following Infrastructure as Code (IaC), especially Terraform REST API design and implementation Object oriented and functional programming in Python Multimodal data processing (e.g., combining text, image, and 3D data) Experience with AWS microservices including SageMaker, Service Catalog, IAM, Lambda, Cloudwatch, ECR, EKS, and Kinesis Containerization technologies (Docker and Kubernetes) Demonstrated ability to interact and communicate effectively at all levels of the organization, from executives to product managers and a wide variety of stakeholders and contributors Experience in the manufacturing, supply chain, or similar industries is a plus Must be a US Citizen or Green Card holder (ITAR) The estimated base salary range for new hires into this role is $140,000- $230,000 annually + bonus depending on factors such as job-related skills, relevant experience, and location. We also offer a competitive benefits package, including 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; EAP, other wellbeing resources; and much more. #LI-HybridXometry 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.

🏢 Summary: Senior Staff Site Reliability Engineer role focused on defining SRE strategy, architecting scalable infrastructure, and leading complex cross-functional reliability initiatives. The position involves AWS, Kubernetes, Terraform, CI/CD, and observability platforms to improve operational excellence and system scalability. The role also includes technical mentorship, infrastructure security, and collaboration with engineering and executive stakeholders. 🗂️ Requirements: 8+ years of infrastructure management or backend software development experience, Experience in fast-paced product-driven environments, Expertise in Python, Javascript, or Unix Shell, Extensive AWS experience across multiple accounts and regions, Deep knowledge of Terraform, Deep knowledge of Kubernetes, Experience with advanced CI/CD pipelines, Experience with Docker and containerization, Experience leading cross-functional technical projects, Ability to handle operational escalations for complex issues, Strong communication and collaboration skills 📃 Skills: AWS, Python, Javascript, Shell, Terraform, Kubernetes, Docker, CI/CD, ArgoCD, GitHub, Coralogix, Sentry 🏢 Description: Xometry is seeking a Staff Site Reliability Engineer to join our Site Reliability Engineering (SRE) Organization. In this role as a senior individual contributor, you will define the technical strategy and direction for the reliability and performance of our infrastructure and software systems. You will lead complex, cross-functional initiatives, mentor senior engineers, and influence key architectural and business decisions across our technology organization. You will utilize your deep technical expertise to architect and implement highly reliable and scalable infrastructure solutions that empower our technology organization to quickly and safely deliver features to our customers at scale. How You'll Contribute: - Lead the resolution of the most complex, cross-cutting technical challenges and drive them to completion, ensuring alignment with organizational goals - Define the long-term technical roadmap and strategy for core SRE platforms and services - Architect, scope, and drive delivery of major engineering initiatives, balancing trade-offs between effort, risk, and long-term business impact - Set the standard for clean, efficient, and well-documented code, focusing on core system improvements and features - Collaborate effectively across teams, communicating clearly on progress, blockers, and outcomes to technical and executive stakeholders - Provide technical mentorship to engineers across the organization and drive organization-wide adoption of best practices for operational excellence, observability, and infrastructure security - Demonstrate accountability, curiosity, and continuous improvement in all aspects of your work - Develop, configure, and maintain underlying platforms for deployed software (AWS accounts and networking, kubernetes clusters, and similar systems), focusing on architectural design and scaling - Develop, configure, and maintain observability and monitoring tools (Coralogix, Sentry, etc.), including defining SLOs and SLIs - Develop, configure, and maintain software development (CI/CD) tools (github actions runners, ArgoCD, etc) What You'll Bring: - 8+ years of professional experience in infrastructure management or backend software development experience in a fast-paced, product-driven environment - Demonstrated deep technical expertise in one or more of the following languages: Python, Javascript, or Unix Shell - Extensive experience with AWS, including architecting, deploying, monitoring, and scaling production workloads across multiple accounts and regions - Deep expertise with Terraform, Kubernetes, advanced CI/CD pipelines, and Docker/containerization best practices - Proven experience leading technical projects with significant cross-functional impact - Comfortable working in an operational environment, including acting as a point of escalation for complex issues outside of the on-call schedule - Excellent communication and collaboration skills, comfortable engaging with technical and executive stakeholders Benefits: - Base salary range: $165,000 - $190,000 annually + bonus - 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 - EAP and wellbeing resources