Principal Machine Learning Data Scientist - Generative AI

Xometry (NASDAQ: XMTR) is at the forefront of innovation, transforming industries by linking visionary thinkers with manufacturers capable of turning ideas into reality. Our digital marketplace equips manufacturers with essential resources for business growth while simplifying access to global manufacturing capabilities for Fortune 1000 companies.We are on the lookout for a Senior Principal, Machine Learning & Artificial Intelligence to join our dynamic team. In this pivotal role, you will lead the charge on significant, cross-functional ML/AI initiatives, driving substantial and enduring business impact. Your responsibilities will include steering a comprehensive 18- to 24-month technical roadmap that harmonizes cutting-edge innovation with tangible business value. Collaborating closely with engineering, product, design, manufacturing operations, and business leadership, you will influence partner roadmaps and resource allocation. As a respected subject-matter expert, you will proactively eliminate obstacles for teams and tackle challenges beyond your immediate domain. Your focus will be on identifying and spearheading initiatives that foster revenue growth, reduce costs, enhance efficiency, and establish competitive differentiation—particularly in areas such as 2D/3D part understanding, generative AI, and advanced machine-learning platforms.

At Xometry (NASDAQ: XMTR), we are at the forefront of innovation, connecting visionary thinkers with the manufacturers capable of transforming their ideas into reality. Our digital marketplace empowers manufacturers with essential resources for growth while enabling Fortune 1000 companies to seamlessly access global manufacturing capabilities.We are on the lookout for a Principal Software Engineer to spearhead the technical design and engineering of advanced systems aimed at predicting and resolving challenges in the manufacturing of our clients' parts. Your expertise will combine machine learning model predictions, part geometry data, and customer insights to enhance our ability to forecast manufacturing costs and identify suitable partners for successful part production. While previous experience in manufacturing or machine learning is beneficial, it is not a prerequisite.The successful candidate will bring at least 8 years of industry experience, with a minimum of 4 years in a technical leadership role within a dynamic, collaborative environment. This position requires a blend of technical leadership and hands-on contributions. Our teams thrive on collaboration, cross-functionality, and a rapid pace of innovation.

Xometry (NASDAQ: XMTR) is at the forefront of innovation, bridging the gap between visionary thinkers and the manufacturers capable of turning those ideas into reality. Our digital marketplace equips manufacturers with essential resources to expand their operations while enabling Fortune 1000 companies to seamlessly access global manufacturing capabilities.Are you an ambitious college student looking to make a significant impact within a leading technology firm? Join Xometry's Summer Internship Program to gain invaluable hands-on experience and cultivate key skills in the manufacturing sector.As a Machine Learning Intern at Xometry, you'll tackle real-world challenges that influence our AI solutions, collaborate with seasoned machine learning engineers, and gain insights on creating and deploying models that address intricate problems in a vibrant and fast-paced setting.

At Xometry (NASDAQ: XMTR), we empower the industries of today and tomorrow by bridging innovative thinkers with manufacturers capable of making their visions a reality. Our digital marketplace equips manufacturers with essential resources for growth while allowing buyers from Fortune 1000 companies to seamlessly access global manufacturing capabilities.We are searching for a Staff Machine Learning Engineer to spearhead our Generative AI initiatives. This is a unique opportunity to redefine the future of manufacturing by leveraging advanced AI research to solve practical challenges—from multimodal document comprehension and structured data extraction from technical drawings to developing innovative reasoning methods across text, images, and 3D data. If you are enthusiastic about crafting cutting-edge AI systems and are eager to witness your contributions making a direct impact on business and customer satisfaction, we would love to hear from you.

Join Our TeamStep into a pivotal role at Evolv Technology as a Senior AI/Machine Learning Engineer, where you will spearhead innovations in AI-driven physical security solutions. As a vital member of our AI/ML team, you will design and implement cutting-edge machine learning and deep learning systems. Your expertise will be instrumental in harnessing various data sources, including magnetic sensors and 3D cameras, to develop real-time multi-sensor fusion solutions suitable for constrained hardware environments. This hands-on position demands profound knowledge in classical ML, deep learning, feature engineering, model optimization, and MLOps.In this role, you will not only build models but also enhance their accuracy and resilience, ensuring they perform reliably in real-world applications. This position is ideal for those who have a track record of making measurable improvements to machine learning models.

At ZoomInfo, we are dedicated to accelerating careers. Our fast-paced environment encourages bold thinking and empowers you to produce your best work. You will collaborate with passionate teammates who challenge one another and celebrate achievements together. With tools that enhance your contributions and a culture that supports your aspirations, you won’t just be part of the team—you’ll be instrumental in driving results. Principal Software Engineer, Applied AILocation: Remote or HybridTeam: Applied AILevel: PrincipalJoin Us in Reimagining B2B IntelligenceAt ZoomInfo, we are building the future of B2B marketing intelligence—and we’re seeking engineers who are eager to help shape that future.As a Principal Engineer on our Advertising, Company Intelligence, and Intent team, you will design and implement the fundamental systems powering our real-time marketing platform. From high-throughput advertising infrastructure to large-scale identity resolution and intelligent systems enhanced by LLMs, you will push the limits of scale, intelligence, and speed—delivering tangible business impact.Join a team engaged in a diverse array of ambitious, technically challenging projects—from APIs that process tens of billions of events daily to innovative buyer intent algorithms powered by LLMs, and a unified B2B identity graph. Based on your strengths and interests, you will be aligned with initiatives where you can make the most significant impact.This is a high-growth, high-ownership environment operating at the forefront of modern software engineering, data infrastructure, and applied AI.What You’ll DoDesign and build distributed systems capable of processing, enriching, and responding to billions of behavioral events in real-time.Develop high-performance APIs and services that support advertising, identity, and intent functionalities across the Marketing Platform.Utilize machine learning and large language models (LLMs) to analyze behavioral data, classify content, extract signals, and facilitate intelligent decision-making.Construct intelligent agents using frameworks like LangGraph or MCP to reason over data and power user-facing insights.Design and manage data pipelines employing tools such as Kafka, Kinesis, and ClickHouse to support both streaming and batch workloads.Ensure quality, performance, scalability, and observability across all systems you oversee.Collaborate cross-functionally with product managers, data scientists, and engineers to deliver customer-facing features.

We are seeking a highly skilled Senior Application Engineer to join our dynamic team at Xometry. In this role, you will leverage your expertise in CNC machining to design, implement, and optimize complex applications that meet our client's needs. You will be responsible for collaborating with cross-functional teams to ensure the highest standards of quality and efficiency in our manufacturing processes.

Join Our Team!Become a pivotal member of the Evolv Machine Learning & Sensors team as a Senior Data Scientist. In this role, you will delve into sensor data, explore feature spaces, and ensure data quality that fuels our cutting-edge AI/ML systems. This hands-on position focuses on representation analysis, extracting exploratory data insights, and implementing data-centric enhancements that significantly elevate model accuracy, robustness, and generalization. You will navigate through classical ML and deep learning pipelines to uncover blind spots, diagnose data challenges, and shape effective data curation and collection strategies.Your Path to Success: Key Outcomes in the First YearFirst 30 Days:Gain a comprehensive understanding of Evolv’s sensor ecosystem, datasets, and ML pipelines.Analyze dataset structure, labeling processes, and existing exploratory data analyses.Conduct initial UMAP/PCA/t-SNE analyses to visualize data distributions and detect anomalies.Spot opportunities to enhance data quality, labeling consistency, and dataset coverage.First 90 Days:Engage in deep representation analysis across sensor, time-series, and feature data.Evaluate classical ML and deep learning models by correlating model errors with data quality issues.Establish data quality metrics and initial dataset acceptance criteria.Collaborate with data collection teams to inform targeted data acquisition and relabeling efforts.Mine existing field data to recognize patterns and derive actionable insights.Devise methodologies to enhance data quality, transforming noisy or unverified data into clean, validated datasets.End of Year Goals:Own data-driven insights that lead to measurable improvements in ML model performance.Establish continuous monitoring for data drift, blind spots, and label quality.Offer strategic direction for future data collection, annotation, and curation.Create automated tools and dashboards for data quality reporting and representation analysis.Your Daily ResponsibilitiesData Understanding & Representation Analysis:Analyze high-dimensional sensor and feature data utilizing UMAP, t-SNE, PCA, and similar techniques.Identify clusters, outliers, distribution gaps, and blind spots within various classes and environments.Diagnose dataset shifts, domain mismatches, sparsity, and representation collapse.Model-Aware Data Analysis:Conduct data analyses that align with both classical ML models (XGBoost, SVR, k-NN, tree-based models) and deep learning frameworks (CNNs, Transformers).Investigate embeddings, confusion matrices, and failure cases to connect model issues back to data causes.Join Us at Evolv TechnologyAt Evolv Technology, we are dedicated to revolutionizing the way people experience spaces through intelligent sensor technology and advanced machine learning. We foster a collaborative environment where creativity and innovation thrive. Join us as we push the boundaries of technology to create safer and more efficient environments.

Anduril Industries develops advanced defense technology for the United States and allied nations. The company blends experience from top technology companies with new methods for building military systems. Areas of focus include autonomy, artificial intelligence, computer vision, sensor fusion, and networking. Anduril’s products operate on Lattice OS, a platform that transforms large data streams into interactive 3D command and control centers. The research team designs algorithms and software that address scientific challenges with real-world impact. Projects move from concept to deployment, with research considered complete only when it is integrated into mission-critical systems for government and industry clients. Collaboration and practical results are core values for the team. Role overview Lead and mentor a small team by providing technical guidance and expertise. Develop mathematically sound solutions to complex information science problems. Prototype new algorithms as part of an agile software development cycle. Build high-performance software, ranging from tactical systems to web applications. Use modeling and simulation tools to demonstrate the effectiveness of new technology. Engage directly with clients to support their mission objectives. Communicate technical work and its impact clearly to both colleagues and clients. Location This Senior Research Scientist position is based in Waltham, Massachusetts, United States.

Xometry (NASDAQ: XMTR) is at the forefront of innovation, connecting visionary thinkers with manufacturers equipped to turn their concepts into reality. Our digital marketplace empowers manufacturers with essential resources for growth, while facilitating access to global manufacturing capabilities for buyers from Fortune 1000 companies.We are currently searching for a Senior Data Scientist to join our dynamic sourcing team. The ideal candidate will possess a strong enthusiasm for applying machine learning techniques to build, refine, and assess predictive models that forecast various business outcomes. This role requires a deep understanding of probability and statistics to draw meaningful and defensible insights from data.

Xometry (NASDAQ: XMTR) connects problem-solvers with manufacturers to bring new ideas to market. The company’s digital marketplace offers manufacturers growth tools and gives buyers, including Fortune 1000 firms, access to global production resources. Role overview The Senior Staff Software Engineer will join the core machine learning and data platform engineering team in Waltham, MA. This group builds and maintains the infrastructure behind Xometry’s AI and ML solutions, such as the Instant Quoting Engine®, Computational Geometry Service, and other data-driven products that support the marketplace. What you will do Collaborate with AI leadership to strengthen and expand the core infrastructure for AI and ML initiatives Deliver essential components that power the Xometry ecosystem, focusing on hands-on engineering Support and improve data products that drive marketplace operations Take ownership of projects and contribute to ongoing platform development Encourage innovation and help shape the future of Xometry’s technology Location This role is based in Waltham, MA.

Xometry (NASDAQ: XMTR) is at the forefront of innovation, bridging the gap between visionary ideas and manufacturing capabilities. Our digital marketplace empowers manufacturers with essential resources to scale their operations, while providing Fortune 1000 buyers seamless access to global manufacturing solutions.We are looking for a Principal Software Engineer to join our Xometry Partner Experience Technology Organization. As a key senior contributor, you will play a pivotal role in directing software implementation across multiple engineering teams, influencing critical decisions across our technology landscape. Your extensive expertise and technical guidance will be essential in developing fast, reliable, and user-friendly solutions that enable our partners to manage projects efficiently, optimize operations, and unlock their full growth potential in our manufacturing marketplace.

At Constant Contact, we pride ourselves on being a team of dynamic individuals who take ownership and create meaningful impacts, embodying the integrity and courage of small business owners. There is immense satisfaction in knowing that your efforts are empowering individuals everywhere to chase their dreams. We play a vital role in supporting business owners, entrepreneurs, non-profits, and individuals by providing the necessary tools and assistance for their online growth. Energized by fresh challenges and new possibilities, we are just getting started!As the Principal Product Designer, you will hold the highest design position within the product organization, responsible for leading the strategy and execution of our most intricate and high-impact product initiatives. Operating at the intersection of product vision, engineering constraints, and user needs, you will tackle complex problems that define the future of our platform. This role demands a leader capable of establishing a design strategy for an entire product pillar and influencing design decisions across various teams. Depending on your expertise and organizational requirements, you may function as a strategic Individual Contributor (IC), emphasizing high-leverage design and vision work, or take on the role of managing and mentoring a small team of senior designers.

Internship Title: SQA Automation InternThe Elevator PitchAre you passionate about tackling intricate technical challenges and developing automation that enhances the efficiency, speed, and reliability of testing? If you're excited about working with cutting-edge AI and machine learning systems functioning in safety-critical environments, we want to hear from you!Evolv is on the lookout for an SQA Automation Intern to become a vital part of our Software Quality Assurance team. Over the course of this 10-week internship, you will engage in the design and construction of embedded hardware and Python-driven automation tools, which are essential for supporting the functional and stress testing of Evolv’s Express weapons detection system. This role will span the entire engineering lifecycle—from gathering requirements and design to implementation, CI/CD integration, and final presentation—while working hand-in-hand with teams across Quality, Software, Hardware, and Systems Engineering.This internship offers hands-on experience in delivering a production-impacting automation solution and a chance to significantly contribute to Evolv’s mission of enhancing public safety in shared spaces.Success in the Role: Key Performance OutcomesWeeks 1-2: Onboarding & FoundationsInitiate the project by collaborating with the SQA team to understand objectives, scope, and success metrics.Gain insight into Evolv’s mission, product offerings, and engineering ethos.Familiarize yourself with the Express weapons detection system and its quality standards.Accelerate your understanding of existing test tools, automation frameworks, and hardware capabilities.Gather, document, and review requirements for a next-generation automated testing tool.Identify current testing challenges and quality goals.Weeks 3-8: Build & IterateCreate hardware and software design specifications for the automation solution.Recognize technical constraints and refine the platform and architecture for successful implementation.Document integration details, interfaces, and dependencies.Implement services on an embedded platform (e.g., Raspberry Pi or similar).Develop and test a functioning prototype featuring core functionalities.Integrate the solution into Evolv’s CI/CD pipelines and test automation harnesses.Work closely with Quality, Software, Hardware, and Systems Engineering teams.Refine the solution based on testing feedback and results.Weeks 9-10: Deliver & PresentDebug and resolve defects; validate the solution against documented requirements.Finalize, package, and deploy a production-ready automated testing solution.Check final code into CI/CD and complete supporting documentation in Confluence.Contribute actively to the quality validation of production software releases.Prepare and deliver a comprehensive presentation of your work to stakeholders.

The Principal Customer Success Manager at ServiceNow works directly with clients to help them achieve their goals using ServiceNow’s solutions. This senior role centers on building strong relationships and understanding each customer’s unique needs. Role overview This position focuses on supporting clients throughout their journey with ServiceNow. The Principal Customer Success Manager ensures customers gain the most value from the platform and remain satisfied with their experience. What you will do Engage with clients to understand their business objectives and challenges Guide customers in using ServiceNow products effectively Foster long-term partnerships by providing ongoing support and insights Location This role is based in Waltham.

Join our dynamic team at Sonsoft Inc. as a QlikView Technical Lead. In this pivotal role, you will leverage your expertise in data visualization and analytics to drive impactful business decisions. You will lead projects, mentor junior team members, and collaborate closely with cross-functional teams to deliver innovative solutions that meet client needs.

At Constant Contact, we pride ourselves on being a team of exceptional individuals who take initiative and make a real difference. With the mindset, integrity, and courage of a small business owner, our work empowers people everywhere to chase their dreams. We play a vital role in supporting business owners, entrepreneurs, non-profits, and individuals by providing the necessary tools and guidance to flourish online. We thrive on new challenges and possibilities, and we're just getting started!We are looking for a Principal Product Manager to spearhead the next generation of our revenue engine. This high-impact strategic position sits at the heart of our mobile-first evolution and AI-driven value delivery. You will lead the way in defining how Constant Contact unlocks enterprise-grade value through innovative monetization frameworks.In this role, you will act as the "Squad Leader" for Monetization, taking full ownership of value. Rather than merely creating payment pages, you will oversee broader strategic monetization levers, including packaging, pricing models, and intelligent cross-sell/up-sell logic. You will connect high-level strategy with relentless execution, driving ARPU expansion and modernizing our revenue engine for a mobile-centric audience.This position exists because we believe that incremental change is insufficient; we are transforming a legacy revenue engine for a mobile-first, AI-powered future.What You’ll DoOwn the Monetization Strategy: Develop comprehensive strategies that go beyond transactional infrastructure to effectively package, price, and sell our value. You will drive ARPU expansion through smart cross-sells, up-sells, and net retention initiatives, managing trials, paywalls, in-product upgrade moments, plan comparisons, expansion paths, downgrades, and renewals.Lead with Velocity: As the Squad Leader for the Monetization team, you will cultivate a culture of autonomy and speed. Transitioning from "output" (shipping features) to "outcomes" (driving revenue and retention), you are empowered to make impactful decisions, conduct rapid experiments, and challenge outdated monetization assumptions to enhance customer value and revenue growth.Drive the Mobile Transformation: With a legacy rooted in desktop, you will transform monetization flows for a mobile-first world, ensuring seamless purchase and upgrade experiences on any device.

Join our team at dstaff as a Principal Software Quality Assurance Engineer specializing in mobile applications. In this pivotal role, you will lead the quality assurance efforts, ensuring the delivery of top-notch mobile applications that meet our high standards. You will collaborate closely with development teams to design and implement testing strategies, identify defects, and drive continuous improvement in our software development lifecycle.

Crescent Biopharma is committed to revolutionizing oncology through the development of innovative therapies for cancer patients. Our robust clinical-stage pipeline includes a flagship PD-1 x VEGF bispecific antibody and cutting-edge antibody-drug conjugates. By harnessing diverse modalities and well-established targets, we strive to expedite the delivery of potentially groundbreaking treatments, whether as standalone therapies or in synergistic combination regimens for various solid tumors. To learn more, visit www.crescentbiopharma.com and connect with us on LinkedIn and Twitter.The Senior Scientist in Toxicology will spearhead the design, leadership, and execution of nonclinical safety strategies integral to Crescent's research and development initiatives. Reporting directly to the Senior Director of Toxicology, this role demands expertise in the comprehensive design and implementation of toxicology studies, ensuring the safety and efficacy of our innovative therapies.