Principal GenAI Inference Optimization Engineer Advanced Micro Devices, IncPrincipal GenAI Inference Optimization EngineerSan Jose, CaliforniaYou are comfortable working across multiple layers—from kernels and runtimes to frameworks and serving systems—and can independently drive optimization efforts while collaborating with cross-functional teams. - Contribute to cross-stack optimizations spanning kernels, runtimes, communication libraries, and inference/serving frameworks (e.g., vLLM, SGLang, Triton, or similar systems).
Principal Software Development Engineer – Compiler & ML Acceleration Advanced Micro Devices, IncPrincipal Software Development Engineer – Compiler & ML AccelerationSan Jose, CaliforniaWe are looking for a Principal Software Development Engineer to lead technical development in compiler technology, MLIR-based infrastructure, and model-to-hardware optimization, with a strong focus on enabling high-performance execution for AI workloads. AMD is building the next generation of compiler and software infrastructure to accelerate Large Language Models (LLMs) and ML workloads on emerging accelerator architectures.
Principal Modeling Architect - DC GPU Advanced Micro Devices, IncPrincipal Modeling Architect - DC GPUSan Jose, CaliforniaThis role will be responsible for leading the development and application of advanced workload modeling methodologies to inform the architecture, design, and optimization of AMD’s next-generation Instinct GPU and data center platforms. Our mission is to design and market exceptional products—anchored by our Instinct GPU portfolio—that power the next generation of computing in enterprise data centers, cloud, and supercomputing environments.
Principal R&D Engineer, NPD Imperative CarePrincipal R&D Engineer, NPDCampbell, CA$189,000–$213,000 / yearThis position used deep expertise in this field and provides insights and leadership as an individual technical contributor to promote new ideas and innovation when establishing processes and methods/techniques that drive best practices and engineering principles to a broader technical team in one of the specific engineering focuses mentioned below. Ability to be self-directed with minimal direction and supervision and take initiative to discern from multiple priorities when guiding a technical project team toward efficient solutions and opportunities; ability to multi-task efficiently in a fast-paced environment.
Principal Process Development Engineer Imperative CarePrincipal Process Development EngineerCampbell, CA$182,000–$192,000 / yearLead cross-functional team members to design, characterize, optimize, document, and control all manufacturing processes by defining and measuring critical process parameters (CPP) that impact critical quality attributes (CQA) of the product, while teaching analytical techniques and applying engineering principles to understand the impact and interaction of materials and processes on process and product outputs. Exceptional critical thinking and complex problem-solving skills - able to intuitively identify problems, logically and empirically associate cause and effect, and under a variety of perspectives and constraints, prioritise and provide creative, effective, practical and strategical solutions.
Principal Engineer - AI and Compute Server Design Hyve SolutionsPrincipal Engineer - AI and Compute Server DesignFremont, CaliforniaTechnical expertise: Deep understanding of high-speed interfaces (PCIe Gen5/6, CXL, NVLink, Ethernet), power delivery networks, SI/PDN design, thermal considerations, and complex multi-board systems; demonstrated success leading EVT/DVT/PVT validation and manufacturing ramp. As a Principal Engineer on the AI and Compute Server Design team, you will own the end-to-end hardware design of next-generation GPU and compute servers and help build the platforms that power the next generation of AI infrastructure.
Staff / Principal Platform Engineer - USA InworldStaff / Principal Platform Engineer - USAMountain View, CaliforniaOur work spans areas like research and development of state-of-the-art models, optimizing realtime inference, and creating best-in-class APIs and products that allow developers to engage their users. They are used to power the largest consumer-facing AI applications available, across categories like health, fitness, learning, therapy, companions, customer experience and media; representing 100s of millions of end users.
Staff / Principal Software Engineer - USA InworldStaff / Principal Software Engineer - USAMountain View, CaliforniaAbout the role: Inworld recently launched a few exciting new products ( Inworld TTS , Inworld STT , Speech-to-Speech / Realtime API and Inworld Router ) for consumer AI applications, and we're looking for an ambitious and capable Staff/Principal Backend Engineer to join us and help take the Inworld AI platform even farther. They are used to power the largest consumer-facing AI applications available, across categories like health, fitness, learning, therapy, companions, customer experience and media; representing 100s of millions of end users.
Principal Mechanical Engineer- Video Collaboration LogitechPrincipal Mechanical Engineer- Video CollaborationSan Jose, CaliforniaFamiliarity with adjacent disciplines, enough EE knowledge to have productive conversations about PCB layout constraints, enough thermal knowledge to guide heat dissipation strategies, enough optical knowledge to understand lens/sensor integration challenges. This is a hands-on leadership role where you'll drive architecture decisions, resolve complex cross-functional challenges, and partner with regional engineering leadership to deliver world-class products.
Principal Deposits Patelco Credit UnionPrincipal DepositsDublin, California$137,485–$171,866 / yearFull timeAs a recognized subject matter expert and emerging executive leader, the Principal, Deposits influences enterprise-wide decisions, partners with senior leadership across the organization, and drives initiatives that impact member experience, balance sheet performance, and organizational growth. This role serves as a key advisor to executive leadership and is accountable for developing and executing enterprise deposit strategies that support growth, customer acquisition, funding objectives, profitability, and competitive differentiation.
Principal AI Soc Runtime Software Architect AuradinePrincipal AI Soc Runtime Software ArchitectSanta Clara, CA$200,000–$500,000 / yearDirect experience developing or extending AI inference runtimes or execution providers, such as ONNX Runtime, TensorRT-like runtimes, OpenVINO, TensorFlow Lite delegates, Qualcomm QNN/SNPE, TVM runtimes, or comparable systems for NPUs, GPUs, DSPs, or other accelerators. The complete runtime must coordinate heterogeneous workloads, manage ownership, synchronization, and safe reuse of shared data buffers, minimize data movement, provide predictable low-latency execution, recover from failures, and expose cohesive APIs and observability to applications and SDK components.
Principal Power Engineer Cowboy SpacePrincipal Power EngineerSan Carlos, California$155,000–$245,000 / yearOur satellites operate in Low Earth Orbit to collect sunlight and enable a new class of capabilities—from powering on-orbit compute, to transmitting energy via infrared lasers (space-to-earth and space-to-space), powering on-orbit compute to delivering secure, high-bandwidth optical data. 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.
Principal Power Delivery Engineer - AI System Hyve SolutionsPrincipal Power Delivery Engineer - AI SystemFremont, CaliforniaTechnical expertise: Deep knowledge of DC/DC conversion, multiphase VR design, 48V/54V architectures, PDN design and analysis, magnetics, and power component selection; experience with power simulation and bench characterization (electronic loads, oscilloscopes, thermal tools). This Principal-level individual contributor role owns the architecture, design, and validation of power delivery for Hyve's AI and compute server platforms—from 48V/54V input and intermediate bus conversion through point-of-load regulation for GPUs, CPUs, and memory.
Principal Epitaxial Engineer The Hiring MethodPrincipal Epitaxial EngineerFremont, CaliforniaA global leader in compound semiconductor and photonics technology is seeking a Lead / Principal Epitaxial Engineer to lead the development of advanced MOCVD epitaxial growth processes supporting next-generation InP and GaAs optoelectronic devices. The successful candidate will partner closely with Device Design, Product Engineering, and Manufacturing teams to develop new epitaxial structures, improve device performance, and drive process capability from R&D through production.
Machine Learning Engineer (Staff & Principal) Tubi, Inc.Machine Learning Engineer (Staff & Principal)San Francisco, CA$239,000–$342,000 / yearFor all full-time, regular employees, in lieu of FOX Paid Parental Leave, Tubi offers a generous Parental Leave Program, which allows parents twelve (12) weeks of paid bonding leave within the first year of birth, adoption, surrogacy, or foster placement of a child in addition to applicable government leave program(s) and FOX's short-term disability policy. As a senior technical expert, you will tackle complex problems in machine learning at scale, collaborating closely with cross-functional teams to develop and optimize machine learning-driven solutions.
Principal Software Engineer, Edge Compute BloomEnergyPrincipal Software Engineer, Edge ComputeSan Jose, CA$155,800–$224,200Our cutting-edge solutions enable unparalleled “time-to-power” capabilities, reliability, and sustainability, ensuring our customers remain ahead in a world where soaring energy demand and intensifying energy scarcity are rapidly becoming the new norm. For over two decades, we’ve been at the forefront of the global energy transition, pioneering solutions that empower critical industries to thrive in a rapidly digitizing, energy-intensive world.
Principal Applied Scientist Elevance HealthPrincipal Applied ScientistWalnut Creek, CaliforniaThe Principal Applied Scientist is responsible for leading the design, development, deployment, and scaling of advanced artificial intelligence and machine learning solutions that drive enterprise transformation and measurable business outcomes. We are a Fortune 25 company with a longstanding history in the healthcare industry, looking for leaders at all levels of the organization who are passionate about making an impact on our members and the communities we serve.
Principal Product Manager, Global Payments Platform and Controls ZipPrincipal Product Manager, Global Payments Platform and ControlsSan Francisco, California$200,000–$280,000 / yearYou will drive product development across the payments platform -- including bank integrations, payment provider partnerships, payout management, and payment routing -- as well as payment controls covering risk and fraud prevention, bank account verification, payment onboarding, currency management, and payment compliance. You will partner closely with Engineering, Design, Payment Operations, and cross-functional teams to deliver reliable, scalable payment infrastructure, proactively mitigate payment fraud, ensure smooth and secure payment onboarding, and manage payment compliance with confidence at enterprise scale.
Principal Counsel, Corporate PerplexityPrincipal Counsel, CorporateSan Francisco, CaliforniaBuild and scale corporate legal infrastructure, including consent and resolution precedent libraries, grant and vesting exhibit templates, signature and approval workflows, entity management systems, and formation and foreign-qualification processes for domestic and international expansion. This is a high-impact, hands-on role for a corporate attorney who thrives in fast-paced environments, is comfortable being the first and only owner of a workstream, and is excited to help build a best-in-class legal function at one of the most consequential AI companies in the world.
Senior Principal Product Manager, Member Experience Twin HealthSenior Principal Product Manager, Member ExperienceMenlo Park, CARemote$230,000–$255,000 / yearTwin has an ambitious vision to empower people to live healthier and happier lives, and to achieve this purpose, we need the very best people to enhance our cutting-edge technology and medical science, deliver the best possible care, and turn our passion into value for our members, partners and investors. With more than $100 million raised in recent funding, including a $53 million Series E round in 2025 led by Maj Invest, and a $50 million investment in 2023 led by Temasek, Twin is scaling rapidly across the U.S. and globally.