Principal Solution Engineer, Ecosystem Canva Pty LtdPrincipal Solution Engineer, EcosystemSan Francisco, CAFor a small number of flagship engagements (major AI platforms, and at a stretch, strategically significant enterprise customers), you''ll lead the technical relationship end-to-end: shaping the roadmap, driving the spikes, carrying the decisions back through Canva. Ecosystem is ~150 engineers (and ~200 people overall) across developer experience, apps, and platform APIs, plus a Solutions group that covers toolkits solutions engineering and Systems Integrators.
Principal Platform Software Engineer Oracle CorpPrincipal Platform Software EngineerRedwood City, CA$104,500–$234,600 / yearThe OCI Robotics Cloud team is developing a secure, scalable, and cloud-native robotics platform that enables customers to seamlessly onboard, manage, monitor, and operate heterogeneous robot fleets across industries. Unlike traditional robotics teams that focus on individual robots or robot applications, OCI Robotics Cloud is building the cloud platform that powers heterogeneous robot fleets at enterprise scale.
Principal Core Infrastructure Engineer (OCI Object Storage) Oracle CorpPrincipal Core Infrastructure Engineer (OCI Object Storage)Santa Clara, CA$114,600–$234,600 / yearContinuous Improvement: -Develops ideas, recommends updates, and/or collaborates on the implementation of process improvements to increase the efficiency and effectiveness of processes, protocols, and workflows across teams, and evaluates the impact on key stakeholders. Defines and enforces scalability requirements for owned components; optimizes code and data paths for high‑throughput, hyper‑scale workloads; and leverages data plane platforms for large‑scale retrieval, storage, and processing.
Principal Software Engineer (Prisma Access) Palo Alto Networks IncPrincipal Software Engineer (Prisma Access)CAThis role combines hands-on technical depth (L4-L7 proxy, multi-cloud environments) with managerial excellence, guiding team members who build scalable network security services running at massive cloud scale. For candidates who receive an offer at the posted level, the starting base salary (for non-sales roles) or base salary + commission target (for sales/com-missioned roles) is expected to be the annual range listed below.
Principal Graphics Developer Tools Engineer NVIDIA CorpPrincipal Graphics Developer Tools EngineerSanta Clara, CAYou will create and lead new strategic initiatives, partnering closely with NVIDIA Research, GPU Architecture, Driver, SDK, and Developer Technology teams to evaluate emerging technologies, prototype new ideas, and deliver solutions that improve how developers build, debug, profile, and optimize graphics applications. Collaborate with GPU architects, driver engineers, SDK teams, and graphics developers to understand future needs and influence product direction.
Principal NPI Engineer II-VI Optical Systems, Inc.Principal NPI EngineerSunnyvale, CAWe are a vertically integrated manufacturing company that develops innovative products for diversified applications in the industrial, optical communications, military, life sciences, semiconductor equipment, and consumer markets. Coherent provides a comprehensive career development platform within an environment that challenges employees to perform at their best, while rewarding excellence and hard-work through a competitive compensation program.
AI/ML Engineer (Mid-level to Principal) ProphecyAI/ML Engineer (Mid-level to Principal)San Francisco, CA$250,000–$350,000 / yearWe introduce the AI-native data lifecycle (generate, refine, deploy) where our industry leading AI agents and humans work hand-in-hand in visual and document interfaces to analyze, transform and prepare data, to ship trusted insights at enterprise scale. You'll own the intelligence layer at Prophecy: the AI systems that let our agents understand data schemas, generate correct transformations, and reason over enterprise knowledge.
Principal Platform Engineer Stride SearchPrincipal Platform EngineerRedwood City, CaliforniaResponsibilities: As a platform engineer, you will be architecting and developing large scale distributed infrastructure across multiple data centers worldwide. Deep understanding of good software design patterns mixed with a healthy passion for refactoring and keeping things simple.
Principal Machine Learning Engineer (Reconstruction / Quantitative Imaging) MidjourneyPrincipal Machine Learning Engineer (Reconstruction / Quantitative Imaging)San Francisco, CaliforniaHands-on experience with data curation for ML: building datasets from messy, real-world sources, defining ground truth, and managing labeling or simulation pipelines. Background in data assimilation: combining observations with physics-based models (Kalman filtering, variational methods, ensemble approaches, or learned variants).
Principal Software Engineer - Storage Cache Roblox CorpPrincipal Software Engineer - Storage CacheSan Mateo, CA$243,290–$295,250 / yearBonus] Advanced Cache Internals: Experience extending cache functionality (e.g., writing custom Redis modules in C/Rust, complex Lua scripting) or deep-tuning underlying memory allocators like jemalloc. 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.
Principal Model Optimization Engineer Roblox CorpPrincipal Model Optimization EngineerSan Mateo, CA$295,250–$345,040 / yearEvery 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. A career at Roblox means you'll be working to shape the future of human interaction, solving unique technical challenges at scale, and helping to create safer, more civil shared experiences for everyone.
Principal Software Engineer (Hybrid, San Francisco) Apollo.ioPrincipal Software Engineer (Hybrid, San Francisco)San Francisco, CAApollo.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 Rendering Engineer Roblox CorpPrincipal Rendering EngineerSan Mateo, CA$295,250–$345,040 / yearEvery 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. A career at Roblox means you'll be working to shape the future of human interaction, solving unique technical challenges at scale, and helping to create safer, more civil shared experiences for everyone.
Principal Opto-Mechanical Engineer ASML Holding NVPrincipal Opto-Mechanical EngineerSan Jose, CA$177,000–$265,500 / yearThis role spans hands-on engineering through technical leadership-owning complex module development, driving roadmap direction, and ensuring seamless system-level integration across current and future technologies. Individual pay is determined through interviews and an assessment of several factors that that are unique to each candidate, including but not limited to job-related skills, relevant education and experience, certifications, abilities of the candidate and pay relative to other team members.
Senior / Principal Infrastructure Engineer - ML Platform Roblox CorpSenior / Principal Infrastructure Engineer - ML PlatformSan Mateo, CA$278,530–$345,040 / yearEvery 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. Deep experience with Kubernetes (K8s) and cluster management at scale - e.g., managing 100s-1000s of nodes, serving 100k+ QPS, and ideally having experience writing custom Kubernetes controllers.
NewPrincipal Machine Learning Engineer, Ads Delivery PinterestPrincipal Machine Learning Engineer, Ads DeliverySan Francisco, CAYou will design and implement systems that improve the ads delivery funnel, experiments that shape the utility function, auction mechanism design, ad allocation and for deriving new insights through analysis of the marketplace dynamics. This role will need to be in the office for in-person collaboration 1-2 times/month , and therefore needs to be in a commutable distance from one of the following offices: San Francisco, Palo Alto, Seattle.
Principal AI Architect Mainspring Energy IncPrincipal AI ArchitectMenlo Park, CA$227,500–$280,000 / yearBacked by top-tier investors including Khosla Ventures, Bill Gates, American Electric Power, Lightrock, and General Catalyst Mainspring designs, manufactures and delivers its products to customers across the U.S. today, and we're quickly scaling for international expansion. Commercial, industrial, and utility leaders are choosing Mainspring over traditional options like engines, turbines, and fuel cells to quickly and reliably deliver local power for EV charging, commercial facilities, data centers, and grid-scale operations.
Associate Principal Architect (Data And Analytics Platform) Exelixis Inc.Associate Principal Architect (Data And Analytics Platform)Alameda, CA$182,000–$259,000 / yearKnowledge, Skills And Abilities: Advanced level knowledge of Amazon Web Services (AWS), especially with services related to data storage, data processing, analytics, security, and compute. Stakeholder Management & Cross-Functional Collaboration: Translates overall direction and strategy and communicates across organizational levels, to influence executives when needed.
Principal Perception Engineer, Obstacle Foundation Models - Autonomous Vehicles NVIDIA CorpPrincipal Perception Engineer, Obstacle Foundation Models - Autonomous VehiclesSanta Clara, CAHands-on experience architecting and deploying DNN-based perception pipelines on embedded or real-time platforms, including optimization for latency, memory, and compute constraints, and experience with modern architectures such as CNNs and transformers, plus familiarity with techniques like large-scale pretraining, parameter-efficient fine-tuning (e.g., LoRA), or vision-language models (VLMs). Lead data strategy for perception: specify data and labeling requirements, prioritize data collection and annotation, and collaborate closely with data and ground-truth teams to maximize impact, including model-assisted workflows (e.g., active learning, auto-labeling, VLMs) and advanced model-in-the-loop tooling.
Principal Mechanical Engineer (Robotics / Mechatronics for Fab Solutions) Brooks Automation US LLCPrincipal Mechanical Engineer (Robotics / Mechatronics for Fab Solutions)Fremont, CA$138,764.29–$187,739.92 / yearBrooks is a leading provider of automation solutions with over 40 years of experience in the semiconductor industry, offering precision robotics, integrated automation systems, and contamination control solutions that empower chip manufacturers worldwide. Strong 3D CAD modeling (ProE & Solidworks) and FEA (Finite Element Analysis) / CFD (Computational Fluid Dynamics) of mechanical designs.