Principal Software Engineer - AI

NetDocuments is looking for a Principal Software Engineer - AI to help create advanced artificial intelligence features for its document management platform. This position can be based in Lehi, Utah or remote within the US. Role overview This role centers on designing, building, and deploying AI-powered software that improves how users manage and interact wi…

Welcome to Demandbase:At Demandbase, we are pioneering the only pipeline AI platform designed to empower go-to-market (GTM) teams in automating growth at scale. Our platform offers a holistic view of data, insights, actions, and outcomes, allowing B2B enterprises to effectively align and implement their account-based GTM strategies with confidence. Trusted by thousands of businesses, we help maximize revenue, reduce waste, and streamline data and technology stacks—all within a single platform.Our commitment extends beyond technology; we invest deeply in our teams, culture, and the communities we serve. Recognized continually as one of the Best Places to Work in the San Francisco Bay Area by Fortune and as one of the 60 Best Companies to Sell For by Selling Power, our offices are strategically located in San Francisco, New York, Austin, Seattle, India, and the United Kingdom.Role OverviewAs a Principal AI Software Engineer, you will spearhead the design and implementation of AI-native platforms that will transform how Demandbase develops and scales intelligent systems. Acting as a technical beacon, you will lead the evolution from traditional SaaS architectures to autonomous, agent-driven systems powered by generative AI.This is a senior-level individual contributor position with significant influence across the enterprise. You will establish architectural directions, collaborate closely with Product and Engineering leadership, and ensure our infrastructure and platforms are equipped to support large language models (LLMs), agentic workflows, and real-time AI-driven capabilities at scale.The base compensation for this position is applicable to candidates based in San Francisco, CA. For candidates located elsewhere, the base compensation will align with the primary work location, as our compensation ranges are location-specific. Actual compensation packages will reflect a variety of factors unique to each candidate, including skill set, years of experience, and depth of expertise.

POS-31594About the TeamThe AI Context team at HubSpot is dedicated to creating the backbone for AI-driven experiences. We meticulously extract, curate, and harmonize insights about our customers, their clientele, and their operational workflows to elevate every interaction.Our work involves managing vast and varied datasets:Our context platform processes billions of events, calls, chats, emails, and unstructured documents, ensuring that our understanding of customer businesses remains current and actionable.This platform functions not merely as a single pipeline, but as a comprehensive ecosystem comprising ingestion pipelines, storage layers, synchronization systems, AI/ML data infrastructure, and developer frameworks that enable the next generation of intelligent, scalable AI features.About the PositionWe are seeking a Principal Software Engineer to significantly influence the future of this platform. The ideal candidate will possess an exemplary record of delivering projects that have substantial impact at the product line or company level, often within complex or ambiguous technical environments. You will navigate various domains with agility, challenge conventional thinking, and redefine possibilities through profound architectural insights and robust execution.At HubSpot, Principal Engineers are not just technical strategists; they are builders entrusted with the comprehensive delivery of intricate initiatives. This engineer will contribute to shaping the technical trajectory of a vital strategic differentiator for HubSpot and industry standards concerning a crucial component of the emerging AI stack – the context layer.Key ResponsibilitiesPlatform-scale Ownership: Drive and influence technical direction across the entire AI Context team. Your work will span ingestion, processing, storage, synchronization, reliability, and intelligence surfaces.AI/ML Expertise: Our team consists of leading experts in machine learning and AI, empowering AI experiences throughout HubSpot. Your skills will be rigorously tested by our systems and our partners.Hands-on Contributor: You will deliver software solutions—not just prototypes. We anticipate deep technical engagement in the systems you impact, including ownership of large, impactful initiatives.Distributed Systems Knowledge: You have experience managing and advancing large-scale, fault-tolerant, cost-efficient systems, and you are adept at scaling across billions of events daily while guiding designs focusing on availability, throughput, and latency.Architectural Leadership: You will define and promote reusable platform patterns across ingestion, processing, quality, synchronization, and observability.

Join ServiceNow as a Principal Software Engineer specializing in Artificial Intelligence and Machine Learning. In this pivotal role, you will leverage your deep expertise in software engineering and AI/ML technologies to drive innovative solutions and enhance our product offerings. You will collaborate with cross-functional teams to define technical requirements and ensure the successful implementation of advanced AI algorithms.

ARSIEM Corporation supports government agencies throughout the United States by providing technical solutions and services. The company places a strong emphasis on building trusted relationships and delivering consistent, high-quality support. Role overview The Principal Software Engineer will be based on site in Ft. Meade, MD, working directly with a government client. The position centers on installing, configuring, developing, and integrating prototype applications for technical evaluations. Work takes place in a lab environment focused on developing and testing experimental solutions. What you will do Install and configure prototype software applications Develop and integrate new technical solutions for evaluation Support lab operations dedicated to experimentation and testing Collaborate with government clients and technical teams Location This position is fully on site in Ft. Meade, MD.

ARSIEM Corporation works closely with United States Government agencies, offering technical expertise and hands-on support. The team emphasizes reliable service and values lasting partnerships with its clients. Role overview The Principal Software Engineer will be based on-site at Ft. Meade, MD, supporting a government client. This position centers on the installation, configuration, development, and integration of prototype applications for technical evaluation. Work takes place in a lab setting, where collaboration with customers is key to developing and testing experimental solutions. Key responsibilities Install and configure prototype software applications Develop and integrate technical solutions for evaluation Support lab operations and assist with experimental setups Work directly with customers to refine and test new concepts Location This position is on-site at Ft. Meade, MD, working with a government client.

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.

At NICE, we believe that limitations are merely challenges waiting to be conquered. We are driven, innovative, and always strive for excellence. If you share our passion for pushing boundaries, we invite you to seize a remarkable career opportunity that will ignite your aspirations.Principal Software Engineer – AI Cloud PlatformsAt NICE, we are revolutionizing cloud operations through artificial intelligence. Our mission is to develop advanced platforms that can analyze system behavior, make informed decisions, and automate operational workflows on a grand scale. If you are eager to leverage AI beyond chatbots and into real-world applications, this role presents a chance to tackle impactful and meaningful challenges.What Does This Role Entail?As a Principal Software Engineer, you will collaborate with a talented team to build AI-driven operational platforms that seamlessly integrate with monitoring systems, CI/CD pipelines, ticketing tools, and cloud infrastructure. Your responsibilities will include designing and implementing intelligent workflows, integrating AI models, and developing scalable solutions to automate complex operational tasks.This role is highly hands-on and focused on creating, integrating, and enhancing AI-based solutions within production environments.How Will You Drive Impact?Design and scale AI-driven workflows and automated systemsCreate integrations with systems such as monitoring platforms, ticketing tools (ServiceNow, Jira, OpsGenie), CI/CD pipelines, and cloud servicesDevelop and implement APIs, tools, and data pipelines that support AI-driven decision-makingWork on large language model integrations, prompt engineering, and orchestration layers—streaming responses, function calling, tool usage, RAG pipelines, and agentic orchestrationBuild and maintain full-stack AI applications using TypeScript, React, and Next.js—from user dashboards and custom experiences to real-time analytics and interactive toolsTransform real-world operational challenges into automated, intelligent solutionsCollaborate with Product, SRE, and Infrastructure teams to deliver comprehensive capabilitiesEnhance system performance, reliability, and observabilityCreate evaluation and observability systems to measure model capabilities and performance

Join Wabtec Corporation as a Principal Engineer in Software Systems, where your expertise will drive innovation in our engineering teams. You will be at the forefront of developing advanced software solutions that enhance our products and services.

Why Choose Praxent?At Praxent, we stand out in the financial services industry by transforming ambitious ideas into reality. Our clients are visionaries in their fields, ready to revolutionize their sectors. If you're an agile learner who thrives on diverse projects, you'll excel here. We specialize in modernizing outdated customer-facing software applications, enabling our clients to see returns in mere weeks rather than months.We believe in empowering our team of over 160 professionals spread across the U.S. and Central/South America. Work in an environment that supports your lifestyle, whether from home, a café, or while traveling. We are committed to facilitating your best work-life balance.This is a fully remote role, allowing you to work from any location within the following states: Texas, Colorado, Georgia, Florida, Massachusetts, Maryland, Minnesota, Nebraska, North Carolina, Oregon, Pennsylvania, South Carolina, Tennessee, Washington.Your MissionLead development teams to ensure sprint commitments are achieved.As a Principal Software Engineer - AI Development Specialist, you will drive Praxent's AI initiatives by setting technical standards, guiding AI architecture, and empowering teams to deliver impactful AI solutions with precision and reliability. Collaborate with sales, delivery, and governance teams to translate business objectives into scalable, production-ready AI systems. Through leadership, mentorship, and hands-on problem-solving, you will solidify Praxent's reputation as a trusted partner in AI for our clients.Your ImpactLead AI projects that align with client goals.Mentor and develop engineering talent within the team.Ensure high-quality standards in AI solution delivery.

Standard Template Labs is an innovative, stealth-mode startup specializing in AI-native solutions that are reshaping IT Service and Configuration Management. Supported by prominent investors, we harness cutting-edge AI, graph-based architecture, and superior design to revolutionize how enterprises interact with their technology ecosystems.About the RoleWe are seeking a Principal Software Engineer, Full-Stack AI to spearhead the technical vision for our platform, overseeing everything from data ingestion to user interfaces and operational impact. This position is ideal for a senior technical leader who excels at blending AI systems and distributed infrastructure with high-quality software engineering.In this role, you will design and implement production-ready AI systems, create scalable backend and data platforms, and ensure that AI functionalities are reliable, trustworthy, and user-friendly for enterprise clients.You will define what “applied, full-stack AI” means at Standard Template Labs by architecting reasoning pipelines, operationalizing large language models (LLMs) and agents, and developing human-in-the-loop experiences. By building the foundational elements that seamlessly integrate intelligence into every workflow, you will also mentor senior engineers, influence product strategies, and foster an engineering culture that intertwines AI, systems design, and user experience.

Join Apptronik, a leading human-centered robotics company revolutionizing the world with AI-powered robots designed to enhance every aspect of life. Our flagship humanoid robot, Apollo, is engineered for seamless collaboration with people, initially focusing on critical sectors like manufacturing and logistics, and poised for future applications in healthcare, domestic environments, and more.We are at the forefront of embodied AI, utilizing our extensive expertise across the entire robotics stack to address some of society's most pressing challenges. As part of our team, you will play a pivotal role in scaling Apollo for market readiness, navigating complex issues around safety, commercialization, and mass production to make a positive impact on the world.JOB SUMMARYWe are in search of a Principal Engineer to spearhead the development of high-performance embedded AI systems and advanced simulation infrastructure for our humanoid robots. This position emphasizes GPU-centric workload orchestration, graphics-driven simulation performance, and robust on-device AI execution.The ideal candidate will possess extensive experience in graphics, display systems, Linux platforms, and low-level embedded software, enabling them to enhance simulation fidelity and optimize real-time AI workloads across robotic platforms.ESSENTIAL DUTIES AND RESPONSIBILITIESGPU Workload OrchestrationArchitect and implement a pipeline for the effective utilization of GPUs across various concurrent AI workloads.Design and develop schedulers and runtime systems to coordinate perception, planning, and control models on-device.Optimize latency, throughput, and power efficiency for real-time robotic operations.On-Device AI SystemsEnhance the robustness and reliability of deployed AI models in constrained embedded environments.Facilitate efficient execution of multi-model pipelines (vision, tracking, control).Collaborate with ML teams to co-design models and runtime systems effectively.Simulation PerformanceLead initiatives to significantly boost simulation throughput and realism.Optimize rendering, physics integration, and data pipelines through graphics expertise.Align simulation outputs with the requirements of real-world deployments.Embedded Systems & Platform IntegrationOversee low-level system integration across Linux-based platforms.Collaborate across kernel, drivers, HAL, and user-space layers to ensure seamless operation.

Harness is a pioneering AI Software Delivery Platform, founded by technologist and entrepreneur Jyoti Bansal, who previously founded AppDynamics, which was acquired by Cisco for $3.7 billion. With nearly $570 million in funding and a valuation of $5.5 billion, Harness is backed by prominent investors such as Goldman Sachs, Menlo Ventures, IVP, Unusual Ventures, and Citi Ventures. As AI revolutionizes code creation, the bottleneck now lies in post-code processes such as testing, deployments, application security, reliability, compliance, and cost optimization. Harness leverages AI and automation to enhance this "outer loop," empowering teams to deliver software with greater speed while ensuring security and governance throughout the software delivery lifecycle.Utilizing Harness AI and the Software Delivery Knowledge Graph, the Harness Platform delivers deep contextual insights and intelligent automation across the software delivery lifecycle, embedding governance and policy-driven controls throughout the system.In the past year, Harness has facilitated over 185 million deployments, 82 million builds, 18 trillion flag evaluations, 8 million security scans, 9.1 billion optimized tests, and 3 trillion protected API calls, managing an impressive $2.8 billion in cloud expenditure. This has enabled clients such as United Airlines, Morningstar, and Choice Hotels to accelerate their release cycles by up to 75%, reduce cloud costs by up to 60%, and achieve a tenfold increase in DevOps efficiency.With a diverse global workforce across 14 offices in 25 countries, Harness is at the forefront of shaping the future of AI software delivery, and we are eager to welcome exceptional talent to help us accelerate this mission.Position SummaryHarness Software Engineering Insights (SEI) is the intersection of engineering and engineering intelligence. In this role, you will engage with a highly technical product connecting over 40 developer tools, including Jira and GitHub, processing millions of events, and transforming raw SDLC data into actionable metrics.This is a product crafted by engineers for engineers, and your contributions will significantly influence how thousands of developers create software. You will encounter challenges in data modeling, systems design, developer UX, and secure cloud integrations, all aimed at enabling engineers and leaders to build faster, better, and smarter.About The RoleDesign, develop, deploy, and maintain cutting-edge software solutions....

Join our dynamic team at Anthem Engineering, where we are at the forefront of prototyping and developing innovative technologies and solutions to address critical issues within our division. Collaborating closely with analysts, we identify workflow challenges and create effective, user-friendly solutions.Our work encompasses a diverse range of applications and services tailored to support various missions, with an environment that is fast-paced and constantly evolving. Over the past year, we have successfully built tools that: Ingest, process, and analyze extensive data sets for high-stakes Presidential initiatives,Directly support forces safeguarding American lives in high-risk situations,Organize, process, and visualize crucial intelligence data, effectively preventing loss of life,Utilize geospatial tools and analytics to identify and track essential assets, andImplement AI/ML algorithms to tackle real-world challenges. Our strong partnership with government clients is integral to our success. They rely on our insights and recommendations, granting us the autonomy to select the best tools for each unique challenge.Each project we undertake presents distinct operational and technological constraints. We leverage a variety of frameworks, libraries, and programming languages to customize our solutions, including: TypeScript and JavaScript,React, Angular, Material UI, Bootstrap, Storybook,Java, Spring Boot,Elasticsearch, MongoDB, MySQL,npm, Webpack, Maven,Jest, JUnit, andGit. We are committed to continuous learning and the adoption of new tools, so adaptability is key. While we don’t expect everyone to know everything, we value a team that is eager to learn and grow together. Onsite work at customer location is required.

Join Wabtec Corporation as a Principal Software Systems Engineer and play a pivotal role in designing and developing innovative software solutions that drive our industry forward. You will be part of a dynamic team focused on delivering high-quality software for our cutting-edge systems.

Two Six Technologies is searching for a Lead Principal Software Engineer focused on AI development to join the Sigma product engineering team. This fully remote position centers on creating and improving AI-driven features for a mission-critical SaaS platform used in radiological and nuclear detection. Role overview This role involves designing, developing, testing, implementing, and maintaining software across the entire product lifecycle. The work emphasizes integrating AI-assisted development methodologies and tools to build, test, and sustain applications, services, APIs, and user interfaces. The team operates in a small, agile, and highly collaborative environment, where independent initiative and clear communication matter. What you will do Apply AI coding tools throughout the software development process Contribute to architecture, design, and implementation of multi-tier, AI-enabled platforms Collaborate with both human team members and specialized AI agents Focus on security, privacy, and operational outcomes for end users Support the transition from Java to Go on the backend Requirements Demonstrated experience with AI coding tools in production application development Proven ability to design, develop, test, and deploy software in a collaborative setting Comfort navigating complex problems and ambiguity Strong sense of honesty, reliability, and trustworthiness Ability to work independently and as part of a remote team About Sigma Sigma is a sensor-agnostic SaaS platform for government and commercial clients, supporting radiological and nuclear detection. The team uses an agentic development model, collaborating with AI agents for architecture, testing, and research. AI is deeply integrated into every stage of development, not just as an add-on. The team maintains a structured knowledge system to coordinate human and AI contributions. This position offers flexibility in managing your work schedule to support effective collaboration across the remote team.

About MotionAt Motion, we are pioneering the first comprehensive agentic work suite tailored for everyday businesses. Unlike other point solutions or add-on tools, our platform is meticulously crafted with AI agents integrated at its core. Motion seamlessly combines project management, documents, spreadsheets, calendars, meetings, knowledge sharing, and communication — and we are now introducing AI Employees capable of autonomously executing tasks across these functionalities.What sets us apart is the native embedding of our agents within the platform. They are not mere integrations or copilots offering suggestions; they actively manage work with complete access to data, context, and workflows. In just three months, our AI Employees have scaled from $0 to achieving an eight-figure ARR, and we are just getting started.Supported by Y Combinator and Sam Altman, with a valuation exceeding $500 million and hundreds of thousands of users, we are strategically positioned for leadership in this space. We are focused on developing agents that operate with high accuracy and deliver a substantial increase in productivity.Motion is an intense, fast-paced environment that isn’t for everyone. However, if you aspire to work alongside exceptional talent, challenge yourself beyond your limits, and contribute to redefining real-world AI deployment, you will thrive here.About The RoleWe are looking for a seasoned software engineer who can make pivotal technical decisions and oversee substantial software projects to help Motion achieve its next significant growth milestones. The role can be focused on frontend, backend, or full-stack development, depending on your expertise.Our engineering team is dedicated to maintaining a high talent density, accomplishing in weeks or months what larger teams might need years to achieve. We have a multitude of initiatives on our product roadmap aimed at exponentially increasing the value we deliver to our customers. As an engineer at Motion, you will engage in our most impactful projects and take ownership of critical components of our product code.To excel in this role at Motion, you should:Demonstrate ambition and a continual desire for improvement. This position will present you with significant responsibilities and will hold you to higher standards than those encountered in other companies. If you seek personal growth through coaching and feedback, this is the environment for you.Exhibit the ability to take ownership of projects and drive them to completion while navigating ambiguity and complexity.

Join Astera as a Principal Software Engineer!Astera is a visionary private foundation with a remarkable $2.5B endowment, dedicated to advancing science and technology for a sustainable future. Unlike conventional foundations, we operate with the agility of a startup, benefitting from unparalleled access to computational resources while being liberated from the constraints of funding pressures and profit motives. This unique position empowers us to pursue ambitious objectives and attract exceptionally talented scientists and engineers from top academic institutions and pioneering AI labs.Our flagship initiative, Obelisk, is a groundbreaking AI research program that aims to engineer Artificial General Intelligence (AGI) through a neuroscience-informed methodology. We are not merely scaling existing models; instead, we are innovatively integrating neuroscience, AI, and bioengineering to decode and digitally replicate the architecture of the human brain.We are seeking an innovative Principal Software Engineer who is eager to contribute to our mission of reverse-engineering the human brain.

About SeekWell SeekWell is the parent company behind 1-800 Contacts, Luna, and The Framery. For nearly thirty years, the organization has focused on making vision care more accessible and straightforward. Building on the legacy of 1-800 Contacts, SeekWell continues to nurture an award-winning workplace culture while developing products that both engage consumers and challenge industry norms. With support from KKR, a major global private equity firm, SeekWell remains committed to customer satisfaction and ongoing innovation in the vision care space. Role Overview: Principal Engineer for Applied AI Artificial Intelligence is changing the landscape of software development, and SeekWell is actively shaping this transformation. The Principal Engineer for Applied AI will play a central role in guiding how engineering teams use AI to speed up workflows, deliver reliable products, and uphold quality as the company grows. What You Will Do Design and lead the enablement strategy for AI adoption within engineering teams Develop standards and frameworks that turn experimental AI concepts into practical tools across the Software Development Life Cycle (SDLC) Mentor senior engineers on best practices in applied AI Focus on measurable outcomes and real-world impact, not just trends Location This position is based in Draper, UT with a hybrid work arrangement.

About AlphaSense: AlphaSense empowers the world's leading companies to eliminate uncertainty in decision-making. Our platform, founded on advanced AI technology, delivers essential insights from both public and private content, including equity research, company filings, event transcripts, expert calls, news, trade journals, and proprietary research. In 2024, AlphaSense enhanced its mission by acquiring Tegus, furthering our goal to provide professionals with AI-driven market intelligence. This collaboration will accelerate our growth and innovation, combining our product and content offerings to deliver even deeper insights from a wealth of information. Trusted by over 6,000 enterprise clients, including a majority of the S&P 500, AlphaSense has been at the forefront of market intelligence since its inception in 2011. Headquartered in New York City, we have grown to over 2,000 employees globally, with offices in the U.S., U.K., Finland, India, Singapore, Canada, and Ireland. Join us on this exciting journey!About the Team:Our dynamic Product & Engineering team thrives on innovation, collaboration, and continuous enhancement of our platform. We foster an engaging work environment that encourages personal and professional growth while developing pioneering technology that shapes the future of AI and search.At AlphaSense, we value diverse backgrounds and perspectives as vital to our success. We are dedicated to fostering an inclusive workplace where every employee feels respected and empowered to express their authentic selves.About the Role: We are on the lookout for a Principal Engineer to spearhead the design, evolution, and reliability of our global financial data extraction and normalization platform. This system processes filings in various formats (HTML, PDF, APIs, spreadsheets), utilizes a mix of AI and deterministic methods to extract and standardize financial data, and delivers reliable, traceable outputs at scale to financial services teams and customers.In this role, you will own the self-sourcing and extraction foundation utilized by multiple teams across the organization. Currently, human validation acts as a safeguard. Your objective is to systematically diminish human reliance by enhancing system accuracy, confidence, and trust, without compromising speed or scalability.