Principal Silicon Engineer - System Modeling Microsoft CorpPrincipal Silicon Engineer - System ModelingMountain View, CA$142,800–$274,800 / yearThere is a different range applicable to specific work locations, within the San Francisco Bay area and New York City metropolitan area, and the base pay range for this role in those locations is USD $188,000 - $304,200 per year. To achieve this goal, the Interface IP Team team is instrumental in defining and delivering operational measures of success for hardware manufacturing, improving the planning process, quality, delivery, scale and sustainability related to Microsoft cloud hardware.
Sr. Principal Engineer, SoC Architect Ayar LabsSr. Principal Engineer, SoC ArchitectSan Jose, CaliforniaBacked by industry giants like NVIDIA, AMD, MediaTek and Intel and manufactured in partnership with the world’s leading semiconductor ecosystem, Ayar Labs’ co-packaged optics solution is key to unleashing next-generation AI scale-up architectures. Cross-Functional Collaboration Work closely with: Design and verification teams on implementation feasibility, Firmware/software teams on boot, drivers, and runtime optimization, Validation teams on bring-up and debug strategies and Product and business teams on roadmap alignment.
Staff/Principal Software Engineer – Medical Imaging & Robotics ShifamedStaff/Principal Software Engineer – Medical Imaging & RoboticsCampbell, CaliforniaABOUT SHIFAMED Founded in 2009 by serial entrepreneur Amr Salahieh, Shifamed LLC is a privately held medical technology incubator focused on the development of novel medical products to address clinical needs in the rapidly evolving fields of cardiology and ophthalmology. You will work at the challenging intersection where software meets physics—designing the real-time motion planning, fault-tolerant controls, and system integrations that make our device safe and precise.
Senior Principal Software Engineer, Jira Data Management Atlassian CorpSenior Principal Software Engineer, Jira Data ManagementSan Francisco, CAOur work is guided by three forces that will power the Jira Platform flywheel: AI TRANSFORMATION: Make Jira the agent-native system of record and control plane for human and agent teamwork, designing systems that enable people and AI agents to work together effectively. EFFICIENCY: Create a platform with sound unit economics that accelerates developer productivity, supports a growing agentic workload, and delivers world-class reliability for Jira Cloud customers.
Principal UX Researcher Microsoft CorpPrincipal UX ResearcherMountain View, CA$142,800–$274,800 / yearPreferred Qualifications: Doctorate in Human-Computer Interaction, Human Factors Engineering, Computer Science, Technical Communications, Information Science, Information Architecture, User Experience Design, Behavioral Science, Social Sciences, or related field AND 5+ years user experience research experience. Required Qualifications: Doctorate in Human-Computer Interaction, Human Factors Engineering, Computer Science, Technical Communications, Information Science, Information Architecture, User Experience Design, Behavioral Science, Social Sciences, or related field AND 3+ years User Experience Research experience.
Principal Product Manager, AI Monetization, Ads & Creatives, Copilot MicrosoftPrincipal Product Manager, AI Monetization, Ads & Creatives, CopilotMountain View, CA$142,800–$274,800 / yearWe are hiring for a Principal Product Manager with a proven track record of building AI-driven creative products that help advertisers produce high-quality assets at scale, drive measurable performance, and maintain brand integrity across every format and surface. There is a different range applicable to specific work locations, within the San Francisco Bay area and New York City metropolitan area, and the base pay range for this role in those locations is USD $188,000 - $304,200 per year.
Associate Principal Sdet SaviyntAssociate Principal SdetMilpitas, CA$160,000–$180,000 / yearAt Saviynt, it is not typical for an individual to be hired at or near the top of the range for their role and final compensation decisions are dependent on many factors including, but are not limited to location; skill sets; experience and training; licensure and certifications; and other relevant business and organizational needs. In this role, you will partner with Engineering, Product, and SRE teams to design scalable test frameworks, drive automation-first development, and ensure the reliability, security, and performance of our platform.
Senior Principal Machine Learning Engineer SambaNova Systems, Inc.Senior Principal Machine Learning EngineerSan Jose, CA$220,000–$300,000 / yearAs a Senior Principal Machine Learning Engineer, you will be responsible for designing, developing, and optimizing machine learning models-with a focus on cutting-edge Large Language Models (LLMs)-to run efficiently on SambaNova's specialized hardware architecture, including the RDU. This critical role bridges advanced LLM research and practical deployment, involving the development of model architectures, improving training and inference efficiency, and collaborating on hardware-software co-design with compiler, systems, and hardware teams.
Principal Software Engineer CSC GenerationPrincipal Software EngineerSan Jose, CAReports to : Director of Engineering Location : Costa Rica (Remote) About the role: As our Principal Software Engineer , you will serve as the technical authority for Backcountry's ecommerce platform — setting architectural direction, leading complex engineering initiatives, and raising the bar for how we build and ship software across our outdoor retail brands. Spearhead AI technical innovation by designing AI and agentic workflows that empower engineering teams; leverage best-in-class AI toolsets to improve engineering delivery throughput, quality, and reliability.
Principal Product Manager, Ads Retail Lead Microsoft CorpPrincipal Product Manager, Ads Retail LeadMountain View, CA$142,800–$274,800 / yearYou will work at the intersection of advertiser needs, consumer engagement, data-driven insights, and platform innovation to create advertising products that help brands reach customers more effectively and achieve measurable business outcomes. There is a different range applicable to specific work locations, within the San Francisco Bay area and New York City metropolitan area, and the base pay range for this role in those locations is USD $188,000 - $304,200 per year.
Principal Product Manager - AI Security (CoreAI) MicrosoftPrincipal Product Manager - AI Security (CoreAI)San Francisco, CA$142,800–$274,800 / yearThere is a different range applicable to specific work locations, within the San Francisco Bay area and New York City metropolitan area, and the base pay range for this role in those locations is USD $188,000 - $304,200 per year. This includes integrating AI security capabilities with Microsoft’s broader security stack - including Microsoft Defender, Entra, Purview, and Azure AI Foundry - to deliver a comprehensive security platform for AI systems.
Associate Director, Principal Data Engineer Vir BiotechnologyAssociate Director, Principal Data EngineerSan Francisco, CA$176,500–$246,500 / yearThe ideal candidate is a forward-thinking technical leader who combines expertise in data engineering, scientific software, AWS cloud platforms, and practical AI implementation to transform complex scientific data into connected, searchable, and actionable insights. Vir Biotechnology is seeking an Associate Director, Principal Data Engineer to lead scalable data, cloud, software, and AI-enabled research platforms that support scientific discovery, clinical data analysis, and program decision-making.
Principal Product Manager, Bing Places - Microsoft AI Search MicrosoftPrincipal Product Manager, Bing Places - Microsoft AI SearchMountain View, CA$165,600–$296,400 / yearThere is a different range applicable to specific work locations, within the San Francisco Bay area and New York City metropolitan area, and the base pay range for this role in those locations is USD $220,800 - $331,200 per year. Starting January 26, 2026, Microsoft AI (MAI) employees who live within a 50- mile commute of a designated Microsoft office in the U.S. or 25-mile commute of a non-U.S., country-specific location are expected to work from the office at least four days per week.
Principal Software Engineering Manager, CoreAI MicrosoftPrincipal Software Engineering Manager, CoreAIMountain View, CA$142,800–$274,800 / yearIn this role, as a Principal Software Engineering Manager you will lead a team of software engineers and work closely with partner teams of engineers, scientists, and product managers to build the industrys best Responsible AI services. There is a different range applicable to specific work locations, within the San Francisco Bay area and New York City metropolitan area, and the base pay range for this role in those locations is USD $188,000 - $304,200 per year.
Principal Engineer, Post-silicon Validation Ayar LabsPrincipal Engineer, Post-silicon ValidationSan Jose, CaliforniaBacked by industry giants like NVIDIA, AMD, MediaTek and Intel and manufactured in partnership with the world’s leading semiconductor ecosystem, Ayar Labs’ co-packaged optics solution is key to unleashing next-generation AI scale-up architectures. Root Cause and Debug: Investigate and drive to closure all silicon failure modes, from signal integrity issues to mixed-signal anomalies, using systematic debug methodologies and close collaboration with design and firmware teams.
Principal Product Manager, Personalization Lead Microsoft CorpPrincipal Product Manager, Personalization LeadMountain View, CA$165,600–$296,400 / yearThere is a different range applicable to specific work locations, within the San Francisco Bay area and New York City metropolitan area, and the base pay range for this role in those locations is USD $220,800 - $331,200 per year. Personalization is the layer that makes those experiences feel like they know the user: the right products, the right guidance, at the right moment, grounded in the user's intent, history, and preferences.
Principal Platform Power and Performance Engineer Microsoft CorpPrincipal Platform Power and Performance EngineerMountain View, CA$142,800–$274,800 / yearRequired Qualifications: Masters Degree in Electrical Engineering, Computer Engineering, Mechanical Engineering, or related field AND 7+ years technical engineering experience OR Bachelors Degree in Electrical Engineering, Computer Engineering, Mechanical Engineering, or related field AND 8+ years technical engineering experience OR equivalent experience. To achieve this goal, the CHSE (Cloud Hardware Systems Engineering) team is instrumental in defining and delivering operational measures of success for hardware manufacturing, improving the planning process, quality, delivery, scale and sustainability related to Microsoft cloud hardware.
Principal Hardware Engineer, AI Systems MicrosoftPrincipal Hardware Engineer, AI SystemsMountain View, CA$142,800–$274,800 / yearMasters Degree in Electrical Engineering, Computer Engineering, Mechanical Engineering, or related field AND 7+ years technical engineering experience OR Bachelors Degree in Electrical Engineering, Computer Engineering, Mechanical Engineering, or related field AND 8+ years technical engineering experience. To achieve this goal, the Cloud Hardware Systems Engineering (CHSE) team is instrumental in defining and delivering operational measures of success for hardware manufacturing, improving the planning process, quality, delivery, scale and sustainability related to Microsoft cloud hardware.
NewPrincipal Kubernetes Control Plane Engineer Bitdeer Technologies GroupPrincipal Kubernetes Control Plane EngineerSan Jose, CAYou will be responsible for building highly available, automated systems to manage the lifecycle of thousands of Kubernetes control planes, ensuring zero-downtime upgrades and seamless multi-cluster federation. Bitdeer handles complex processes involved in computing such as equipment procurement, transport logistics, data center design and construction, equipment management, and daily operations.
Principal Auditor-Appraiser (Open and Promotional) County of San MateoPrincipal Auditor-Appraiser (Open and Promotional)San Mateo, CAThe Principal Auditor-Appraiser shares a critical role in assisting the Deputy Assessor and Chief Appraiser in the completion of the Office's mission to: determine the assessed value of all taxable personal property for businesses located in San Mateo County; create the official record of taxable personal property (approximately 16,000 assessments each year on the local assessment roll); share this information with the County Controller and Tax Collector, and make it publicly available. The mission of the Office of the Assessor-County Clerk-Recorder and Chief Elections Officer is to ensure equitable treatment of County property owners by accurate and fair valuation of land, improvements, and businesses; to create an accurate public record of recorded transactions relating to people and property within San Mateo County; and to register County citizens to vote and efficiently conduct honest elections.