NewPrincipal Software Engineer Cognite ASPrincipal Software EngineerPhoenix, AZAs we''re hiring across several teams, many past experiences can be a bonus, for example: Experience mentoring junior engineers, leading significant projects, or designing and scaling complex full stack architectures will be a distinct advantage. At Cognite, we''re not just building software; we''re pioneering the future of industrial data with our award-winning Cognite Data Fusion platform, recognized as the 2022 Technology Innovation Leader for Global Digital Industrial Platforms.
Principal Software Engineer NetApp IncPrincipal Software EngineerBellevue, WA$227,800–$338,800 / yearAs the only enterprise-grade storage service natively embedded in Google Cloud, AWS, and Microsoft Azure, we empower customers to run everything from traditional workloads to enterprise AI with unmatched performance, resilience, and security. 7+ years hands-on with fault-tolerant, highly scalable cloud architectures, including service-oriented and cloud-native services (FaaS, PaaS) on at least one hyperscaler (AWS, Azure, or GCP).
Principal Engineer, YouTube Shorts, Viewer Feed Quality Google LLCPrincipal Engineer, YouTube Shorts, Viewer Feed QualityMountain View, CACollaborate with technical leads on other cross-functional teams (CoreX, Gemini/Research, YouTube Data, and Machine Learning Infrastructure) to integrate next-gen infrastructure and generative AI capabilities that improve the user and content understanding and responsiveness of the retrieval and ranking systems. You will help define reliable viewer metrics that guide launch decisions across the teams and modeling and infrastructure choices to make the feed highly responsive based on viewer interests and intents.
Principal Software Engineering - Rust Systems Engineer Progress Software CorpPrincipal Software Engineering - Rust Systems EngineerBurlington, MA$170,000–$189,000 / yearMentor senior engineers (20+ years platform experience) adopting Rust - teaching-oriented code reviews, pair programming, and progressive ownership handoff. We are Progress (Nasdaq: PRGS) - the trusted provider of software that enables our customers to develop, deploy and manage responsible, AI-powered applications and experiences with agility and ease.
Principal Software Engineer VTG.Principal Software EngineerHanover, MD$200,000–$245,000 / yearAs a Principal Software Engineer supporting mission-essential national security initiatives, you will design, develop, integrate, and maintain secure, high-performance software solutions that enable critical intelligence, defense, and operational missions. Bachelor's degree in Computer Science, Software Engineering, Computer Engineering, Electrical Engineering, Mathematics, or a related technical discipline.
Principal Software Development Engineer ExpediaPrincipal Software Development EngineerExpedia Global Payments (EGP) is looking for top engineering talent to help drive the development of our payment platform, seamlessly roll out new payment methods, and continuously improve on our operational excellence and engineering practices. Our Technology Team partners with teams across Expedia Group to create innovative products, services, and tools to deliver high-quality experiences for travelers, partners, and our employees.
Principal Software Engineer VTGPrincipal Software EngineerHanover, MarylandFull timeOverview: As a Principal Software Engineer supporting mission-essential national security initiatives, you will design, develop, integrate, and maintain secure, high-performance software solutions that enable critical intelligence, defense, and operational missions. Bachelor’s degree in Computer Science, Software Engineering, Computer Engineering, Electrical Engineering, Mathematics, or a related technical discipline.
Principal Software Engineer- Dallas, TX Photon Interactive UK LtdPrincipal Software Engineer- Dallas, TXDallas, TX10+ years of development experience with strong working knowledge of Java/JEE, Spring/Springboot, RESTful Services, Cloud (AWS), SQL, NoSQL, Python, Test and Deployment technologies, Kubernetes. Proven experience in building and deploying software solutions using public cloud provider services like AWS and Azure using Continuous Integration/Continuous Deployment (CI/CD) tools like Terraform, Jenkins.
Senior Principal Software Engineer, Onsite RTXSenior Principal Software Engineer, OnsiteMassachusettsActive and existing security clearance required on day 1 At RTX, the world's largest aerospace and defense company, 185,000 great minds are united by purpose and inspired to make a difference solving the world’s most complex problems. Collins Aerospace, an RTX company, is a leader in engineering and proposal teams to successfully execute programs and prepare responsive proposals aimed at making the world a safer place.
Senior Principal Software Engineer - Production Support BAE Systems PlcSenior Principal Software Engineer - Production SupportNashua, NH$132,962–$226,035 / yearAbout BAE Systems Electronic Systems BAE Systems, Inc. is the U.S. subsidiary of BAE Systems plc, an international defense, aerospace and security company which delivers a full range of products and services for air, land and naval forces, as well as advanced electronics, security, information technology solutions and customer support services. Your work ensures that our production lines stay active and that the tools used to verify our technology are precise and reliable-directly impacting our ability to deliver critical capabilities to the warfighter.
Principal Software Engineer, GPU Compute RobloxPrincipal Software Engineer, GPU ComputeSan Mateo, CA$345,040–$399,420 / yearOwn the GPU host lifecycle above raw fleet management: driver, firmware, and CUDA stack management, GPU health and telemetry, and remediation of GPU-specific failures (XID errors, ECC, thermal, NVLink and fabric faults). This is a battle-tested GPU expert role focused on the machine management layer and above: how GPU hosts are made production-ready, kept healthy, and turned into reliable compute for the workloads that depend on them.
Principal Software Engineer (Cloud) Seven AIPrincipal Software Engineer (Cloud)Boston, MassachusettsOur platform pairs a federated SIEM with AI agents that detect, investigate, respond, and hunt, plus dedicated threat hunting and threat intelligence, with humans on the loop. Founded in 2024 by Cybereason co-founders Lior Div and Yonatan Striem-Amit, we came out of stealth in February 2025 to take on the non-human work of the SOC.
Principal Software Engineer, Compute Fleet Management RobloxPrincipal Software Engineer, Compute Fleet ManagementSan Mateo, CA$345,040–$399,420 / yearThis is a hands-on, deeply technical leadership role that owns all of Roblox's compute capacity end to end: from low-level provisioning and the data plane, up through the control planes that operate it, and all the way to the UI and internal-facing products that let teams self-serve capacity. Your org centralizes security, maintenance operations, and the uptime of every Roblox Kubernetes cluster, and governs the internal customer contracts that drive automation across the fleet spanning Roblox data centers and cloud providers.
Principal Software Engineer Trinite Consulting GroupPrincipal Software EngineerSanta Clara, CAContractorRequires a Bachelors/Masters in Computer Science , 8%2B years of backend software engineering experience, 5%2B years in Go/Python , cloud expertise, strong problem-solving skills, and authorization to work in the U.S. (US Citizen/Green Card). Lead the end-to-end design, development, deployment, and maintenance of scalable backend services for Cortex XSOAR, Cortex XSIAM, and AI-powered cybersecurity solutions.
Principal Software Engineer, Game Safety RobloxPrincipal Software Engineer, Game SafetySan Mateo, CA$295,250–$345,040 / yearAligned and partnering with product teams, we use this toolbelt to discover new opportunities, influence and shape the product roadmap and prioritization, build safety products, and measure the impact on our community of users and developers. Every day, tens of millions of people come to Roblox to explore, create, play, learn, and connect with friends in 3D immersive digital experiences– all created by our global community of developers and creators.
Senior Software Engineer (Apps) AerovironmentSenior Software Engineer (Apps)Lawrence, KS$111,500–$170,000 / yearBachelor's degree in a Science, Technology, Engineering, or Mathematics (STEM) discipline from an accredited university and 8 years of related experience; or Master's degree in a STEM discipline with 6 years of related experience; or PhD with 4 years of related experience. Experience with DDS (Data Distribution Service) or similar protocols, including managing data distribution across disparate nodes over constrained networks, and general knowledge of networking topologies and principles.
Principal Engineer -Intelligent Document & Context Grounding UiPathPrincipal Engineer -Intelligent Document & Context GroundingBellevue, WAAt UiPath, we're building the next generation of enterprise AI-agents that don't just generate responses, but understand business context, reason over enterprise knowledge, and deliver trustworthy outcomes at scale. Work closely with Product Managers, Applied Scientists, Designers, and Engineering Leaders to turn ambiguous AI opportunities into production capabilities customers rely on every day.
Principal Software Engineer - ENT (26-266) Northrop GrummanPrincipal Software Engineer - ENT (26-266)Colorado Springs, CO$103,600–$155,400 / yearIt is a vital operational system that enables the U.S. president, the secretary of defense, and combatant commanders at strategic, regional, and operational levels to systematically plan ballistic missile defense operations, collectively monitor the battle, and dynamically control networked sensors and weapon systems to achieve global and regional mission goals. A Bachelor's Degree in Software Engineering, System Engineering, Mathematics, Physics, or a related field from an accredited university, along with 5 years of experience; or a Master's degree in a related field with 3 years of relevant work experience; or 9 years of relevant work experience may be considered as an alternative to a degree.
Principal Software Engineer - Secure Communications RTX CorpPrincipal Software Engineer - Secure CommunicationsFort Wayne, INElevate Security and Reliability: Take a proactive role in shaping products that significantly enhance the security and reliability of critical communications systems, influencing best practices and guiding the direction of future innovations. Design Scalable Software Architectures: Architect the development of secure, multi-threaded embedded C++ or Rust codebases, advancing software architecture through innovative solutions.
Principal Software Engineer - Mission Sensor Manager (Onsite) RTX CorpPrincipal Software Engineer - Mission Sensor Manager (Onsite)Cedar Rapids, IAAs a Principal Software Engineer supporting mission sensors, weapons, and IFF (Identification Friendly or Foe) avionics systems, you'll play a key role in primarily developing requirements, tests, verification, along with software development and software integration that support aerospace and defense applications. Of course, that wouldn't be possible without the capabilities and technologies of our organization, as well as our engineers - a highly skilled, accomplished network that spans more than 180 sites, 24 countries and 6 Strategic Business Units (SBUs).