Sr. Principal Lithography Engineer FormFactorSr. Principal Lithography EngineerLivermore, CaliforniaAs a senior technical leader, you will define lithography development strategies, lead breakthrough process innovations, mentor engineering teams, and collaborate across R&D, Product Development, Design Engineering, Operations, and Executive Leadership to enable next-generation MEMS technologies. This role requires deep expertise in semiconductor lithography processes, photoresist materials, optics, and microfabrication techniques, combined with the ability to solve highly complex technical challenges that have significant impact on business objectives and future technology roadmaps.
Principal Software Engineer Platform Team Space Exploration Technologies CorpPrincipal Software Engineer Platform TeamPalo Alto, CA$210,000–$295,000 / yearBASIC QUALIFICATIONS: Bachelor's degree in computer science, computer engineering, or other engineering discipline and 7+ years of professional experience building and scaling production platforms; OR 9+ years of professional experience building and scaling production platforms in lieu of a degree. This team creates secure, scalable gateways and proxy systems that allow engineers and operators across the company to write code faster, perform advanced data analysis, connect AI to their daily tools and problems, and turn ideas into deployed solutions with confidence.
Principal Software Engineer Striim IncPrincipal Software EngineerPalo Alto, CA$200,000–$280,000 / yearThe ideal candidate has deep expertise in database internals, query processing, distributed systems, or a related discipline, strong commercial product experience, and thrives in a small, fast-moving engineering environment. Striim, (pronounced "stream" with two i's for integration and intelligence), is a unified data integration and streaming platform that connects clouds, data, and applications with unprecedented speed and simplicity to deliver the right data at the right time.
Principal - Architecture (AI, Unified Commerce) The Gap IncPrincipal - Architecture (AI, Unified Commerce)San Francisco, CAAs a senior leader within the Architecture Group under the CTO Organization, the Principal Architect - AI, Connected Commerce / OMNI-Channel will drive the vision, design, and execution of an integrated technology architecture that powers seamless, intelligent, and personalized customer experiences across all digital and physical touchpoints. This role spans strategic domains-Digital, Retail Stores, Supply Chain, Customer Data, eCommerce, Marketing, and Fulfillment-and serves as a critical change agent, enabling Connected and Agentic Commerce.
Principal Power Engineer Cowboy SpacePrincipal Power EngineerSan Carlos, CaliforniaOur modular, scalable satellites collect sunlight in Low Earth Orbit to enable multiple integrated applications: transmitting energy via infrared lasers (space-to-earth and space-to-space), powering on-orbit high-performance computing clusters (GPU/TPU), and providing secure, high bandwidth optical data transport. Export Control Requirement: To conform to U.S. Government space technology export regulations, including the International Traffic in Arms Regulations (ITAR), applicants must be a U.S. citizen, lawful permanent resident of the U.S., protected individual as defined by 8 U.S.C. 1324b(a)(3), or eligible to obtain the required authorizations from the U.S. Department of State.
NewPrincipal Software Engineer ServiceNow IncPrincipal Software EngineerSanta Clara, CA$221,200–$387,100 / yearAs a Principal Engineer in HRSD, you set the technical direction for model-driven capability across the HR domain, the agentic and conversational experiences that interpret employee, manager, and HR agent intent, reason over profile, case, catalog, policy, and knowledge context, and act on the user''s behalf. Two things shape the job: much of the load-bearing logic lives in natural language - instructions, prompts, context, tool descriptions, guardrails - and must be engineered with the same discipline as code; and because behavior is probabilistic, correctness is established through evaluation at scale, not fixed assertions.
Principal Software Engineer (Java) Nexant IncPrincipal Software Engineer (Java)San Francisco, CARemoteBuilding on our expertise in energy efficiency, we are continually expanding our portfolio of clean energy solutions to help utilities navigate increasingly complex and connected challenges, including load flexibility, electrification, and carbon reduction. You will bring proven experience designing and evolving large-scale enterprise systems, while combining a fresh architectural perspective with the deep product and domain knowledge of the existing team.
PRINCIPAL COUNSEL, INVESTMENT TRANSACTIONS University of CaliforniaPRINCIPAL COUNSEL, INVESTMENT TRANSACTIONSOakland, CARemote$235,000–$275,000 / yearExperience in reviewing, drafting, and negotiating a broad range of general corporate and/or fund-related agreements for a variety of transactions, including private fund investments; direct investments (e.g., venture capital financings, etc.); investment, hedging, futures, and similar accounts; agreements with bank and broker-dealer counterparts; term sheets and letters of intent; mergers and acquisitions; dispositions; real property transactions; consulting and professional service arrangements; agreements relating to trading, risk management, and data management functions, including software license and other vendor agreements; confidentiality agreements; and related corporate actions. Provides practical, actionable, and timely legal advice, counsel, and support on a variety of highly complex corporate transactional, finance, operations, and investment matters related to UC Investments under the supervision of the Deputy General Counsel and/or Managing Counsel, BTI.
Principal Product Designer, AI Native, Core Pinterest IncPrincipal Product Designer, AI Native, CoreSan Francisco, CARemote$210,161–$432,684 / yearWhat you'll do: Establish the strategic direction and product vision for our most complex problems, including the future of integrating AI based assistive tools into our consumer product, while bridging the gap between vision and execution. Discover a career where you ignite innovation for millions, transform passion into growth opportunities, celebrate each other's unique experiences and embrace the flexibility to do your best work.
PRINCIPAL COUNSEL, RESEARCH & COMPLIANCE University of CaliforniaPRINCIPAL COUNSEL, RESEARCH & COMPLIANCEOakland, CARemote$235,000–$272,000 / yearEstablishes effective relationships with key internal and external constituencies to provide legal advice and counsel regarding identification and mitigation of risks and to facilitate regulatory and policy compliance in areas including but not limited to the following areas related to university research: research integrity and misconduct, human subject and animal welfare regulations, export control regulations, regulatory and sponsor policy issues related to research contracts and grants, conflict of interest issues related to research, research safety, research security and other federal, state, sponsor, and University policies and regulations governing the conduct of research. Responsibilities require knowledge of laws, regulations and policies applicable to a broad range of campus research issues, including but not limited to: research integrity and misconduct, human subject and animal welfare regulations, export control regulations, regulatory and sponsor policy issues related to research contracts and grants, conflict of interest issues related to research, research safety, research security, and other federal, state, sponsor, and University policies and regulations governing the conduct of research.
Principal Device Quality Engineer Heartflow IncPrincipal Device Quality EngineerSan Francisco, CA$190,000–$240,000 / yearHeartflow is the first AI-driven non-invasive integrated heart care solution across the CCTA pathway that helps clinicians identify stenoses in the coronary arteries (RoadMapAnalysis), assess coronary blood flow (FFRCT Analysis), and characterize and quantify coronary atherosclerosis (Plaque Analysis). The flagship product-an AI-driven, non-invasive cardiac test supported by the ACC/AHA Chest Pain Guidelines called the Heartflow FFRCT Analysis-provides a color-coded, 3D model of a patient's coronary arteries indicating the impact blockages have on blood flow to the heart.
Principal People Partner (GTM & G&A) Skylo TechnologiesPrincipal People Partner (GTM & G&A)Mountain View, CA$172,000–$183,000 / yearOur direct-to-device service is live on millions of activated devices across five continents, covering more than 72 million square kilometers, in partnership with leading satellite operators, mobile network operators, Tier-1 chipset makers, and OEMs worldwide. Skylo is a global Non-Terrestrial Network service provider based in Mountain View, CA, offering a service that allows smartphone and IoT cellular devices to connect directly over existing satellites.
Principal Software Engineer: Distributed Systems Config, Test, & Deployment Cloudflare IncPrincipal Software Engineer: Distributed Systems Config, Test, & DeploymentSan Francisco, CA$230,000–$288,000 / yearPublic evidence of technical leadership such as conference talks on distributed systems or security, widely-read technical blog posts, significant open source contributions, or published architectural patterns that have been adopted by the broader engineering community. We're looking for talented team members to help build high-growth products, help scale our expanding network, build tools to improve availability, performance, uptime, and response times, and make systems failure-resistant and ready-to-scale.
MTS - Backend Engineer Principal/Staff Endor Labs IncMTS - Backend Engineer Principal/StaffPalo Alto, CA$220,000–$300,000 / yearEndor Labs solves this challenge by building a call graph of your entire software estate-enabling teams to clearly identify, prioritize, and fix critical risks faster. This role is ideal for someone who has built and scaled security products before, thrives in a fast-paced startup environment, and has the rare combination of deep backend expertise and strong product instincts.
Principal Software Engineer - AI Experiences, Copilot Microsoft CorpPrincipal Software Engineer - AI Experiences, CopilotMountain View, CAThis team is responsible for building and scaling the core backend platform - Orchestrator, Inference and APIs that power Consumer Copilot-enabling rapid development, deployment, and iteration of AI-powered features and experiences while collaborating with our Product Management, Design, Data Scientists, and AI Research teams to deliver impactful results. 4+ years experience building backend API for mobile apps such as GraphQL/Rest APIs/Protobuf/Thrift, and streaming protocols such as websocket/SSE/WebRTC with familiarity in backend and mobile data schema code generation or consistency, version control for mobile releases, analytics, feature flags, a/b testing framework.
Principal Solutions Architect ZyphraPrincipal Solutions ArchitectSan Francisco, CaliforniaBuilding and maintaining a library of reusable technical assets: model evaluation frameworks, fine-tuning guides, deployment architectures, API integration playbooks, and use-case demos that accelerate how partners and customers adopt Zyphra's models. Deep technical fluency across one or more of Zyphra’s core domains: large language models and model architecture, multimodal AI, speech and audio synthesis, brain-computer interfaces and neural signal processing, or agentic AI systems.
Principal Software Engineer Hybrid, San Francisco ZenLeads IncPrincipal Software Engineer Hybrid, San FranciscoSan Francisco, CA$315,300–$472,900 / yearApollo.io provides sales and marketing teams with easy access to verified contact data for over 210 million B2B contacts and 35 million companies worldwide, along with tools to engage and convert these contacts in one unified platform. You use agents to move faster on the hardest design, investigation, and implementation work, you define the practices other engineers adopt, and you find the step-change bets where AI reshapes how we build the product, not just how fast we ship.
Principal Product Manager (BD-PM in AI & Data Center Infrastructure) Super Micro Computer IncPrincipal Product Manager (BD-PM in AI & Data Center Infrastructure)San Jose, CA$200,000–$230,000 / yearChampion Cross-Functional GTM Leadership: Orchestrate Engineering, Sales, Rack Integration, and Sales Engineering teams to align product development with market demand and ensure flawless execution of strategic deals from qualification through to delivery. About Supermicro: Supermicro is a Top Tier provider of advanced server, storage, and networking solutions for Data Center, Cloud Computing, Enterprise IT, Hadoop/ Big Data, Hyperscale, HPC and IoT/Embedded customers worldwide.
Principal IT Technical Program Manager, Infrastructure Chan Zuckerberg Initiative LLCPrincipal IT Technical Program Manager, InfrastructureRedwood City, CA$171,000–$214,000 / year12+ years of experience leading complex technical programs within enterprise technology environments, with a proven track record of delivering large-scale, cross-functional infrastructure initiatives with significant organizational impact. The Operations team is a key partner in enabling Biohub's pioneering work to combine frontier AI with frontier biology to solve disease and Learning Commons' mission to build AI infrastructure that aligns how students learn with the tools that shape their learning experiences.
Principal Engineer, Data Center Architect DigitalOceanPrincipal Engineer, Data Center ArchitectSan Francisco, CARemote$184,000–$231,000 / yearWhat You'll Be Doing: Defining and owning DigitalOcean's reference architectures for next-generation Data Center environments, navigating shifts in technology, networking topologies, and AI/ML hardware roadmaps to keep facility designs future-proofed. Architecting end-to-end power topologies with vendor teams to support diverse hardware across medium to ultra-high-density rack deployments, moving from 415VAC to 800VDC.