New offer - be the first one to apply!

July 14, 2026

Senior Software Engineer

Senior • On-site

119,004 - 155,004 USD/yr

North Bethesda, MD

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.

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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.

Technology

New offer

Xometry

Staff Site Reliability Engineer (SRE)

Senior

On-site

Waltham, MA

165,000 - 189,996 USD/yr

🏢 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

Technology

Xometry

Senior Machine Learning Engineer

Senior

On-site

North Bethesda, MD

123,000 - 159,000 USD/yr

🏢 Summary: Senior Machine Learning Engineer role focused on advancing and scaling AI capabilities within a production platform, including research, prototyping, and deployment of state-of-the-art ML models. The position involves developing scalable, cloud-native ML solutions that improve cost prediction, pricing, and sourcing through large-scale data processing and modern AI techniques. You will lead technical initiatives, evaluate emerging technologies, and ensure reliable, production-ready ML systems. 🗂️ Requirements: 5+ years experience building large-scale ML-driven products, 3+ years experience leading cross-team engineering efforts, Hands-on experience with state-of-the-art ML techniques (transformers, self-supervised learning, generative models, LLMs), Experience training and deploying models at scale using deep learning frameworks, Experience with large-scale data processing, Hands-on experience with containers and container orchestration, Experience with distributed systems, Strong software engineering fundamentals (OOP, design patterns, refactoring, testing), Experience with Infrastructure as Code, Experience building and consuming CI/CD pipelines, Proficiency with SQL and/or NoSQL databases and data modeling, Experience working with Unix/Linux systems, Ability to design scalable, production-grade ML systems, US Citizenship or Green Card (ITAR requirement) 📃 Skills: Python, PyTorch, TensorFlow, Transformers, LLMs, SQL, NoSQL, Docker, Kubernetes, CI/CD, IaC, Linux, OOP, DistributedSystems, GenerativeModeling, SelfSupervisedLearning 🏢 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 Senior Machine Learning Engineer to join our growing organization. The right person will help move our machine learning capabilities to the next level. You'll be working in an organization where AI is the enabler and center of its core business strategy. You want to be part of a small, intensely skilled team, who feel total ownership of their work, and can't imagine a day without learning & coding. You will play a crucial role in the Xometry platform and everything you do will matter. Responsibilities: At Xometry, you will play a crucial role in exploring new machine learning opportunities, researching and performing proof of concepts, and bringing new machine learning and AI solutions into Xometry's platform Develop and implement machine learning models that improve Xometry's ability to predict cost, price, and sourcing options for our customers and suppliers. You will be responsible for leading the evaluation of emerging technologies, identifying areas for improvement, and developing new features while ensuring the reliability and scalability of Xometry's platform Lead the exploration of emerging AI and machine learning technologies and develop proof-of-concepts to assess their potential impact on Xometry's platform Collaborate with cross-functional teams to gather requirements, prioritize features, and define technical solutions based on the latest innovations Monitor machine learning models and AI performance and troubleshoot issues as they arise Contribute to the documentation and knowledge base to help other teams understand and use Xometry's AI effectively Qualifications: Experience with state of the art ML modeling techniques and approaches like transformers, self supervised pre-training, generative modeling, LLMs, etc Experience with large scale data processing (e.g., Hands-on experience training and applying models at scale using deep learning frameworks like PyTorch or Tensorflow) Successful candidates in this role need to be able to bridge state of the art approaches to real world impact A cloud-native software craftsperson with hands on experience with containers, container orchestration, and distributed systems An engineer with a self-driven attitude who can own problems and deliver solutions Strong software fundamentals with experience in design patterns, refactoring, OOP, and testing A cloud practitioner who values the "shift-left" mentality by building systems with Infrastructure as Code, not console clicking Data's at the heart of our systems, we hope it's yours too. You're comfortable working with SQL and/or NoSQL, understand database design, and data analysis Experience building and consuming CI/CD pipelines Someone who knows their way around the command line and has experience working with *nix systems 5+ years working experience in the engineering teams that build large-scale ML-driven user-facing products 3+ years experience leading cross-team engineering efforts Strong execution skills in project management Must be a US Citizen or Green Card holder (ITAR) The estimated base salary range for new hires into this role is $123,000- $159,000 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.