Principal Product Engineer - Virtual Protocols Cadence Design Systems IncPrincipal Product Engineer - Virtual ProtocolsSan Jose, CA$136,500–$253,500 / yearThis position presents exciting opportunities and challenges of becoming an expert in System Level Software Driven Verification use models that leverage advanced protocol engines operating on Cadences Palladium and Protium Emulation products to enable the critical shift-left of System Level SOC verification and Validation for Cadence customers. Their responsibilities can be but are not limited to: Using expertise in OS, kernel, and driver SW development to support Cadence VirtualBridge products that combine a Virtual Machine running a production OS with the customers SOC Design running on Cadences Palladium emulation or Protium Prototyping platforms.
Principal Robotics Functional Safety Engineer Agility Robotics IncPrincipal Robotics Functional Safety EngineerFremont, CA$207,000–$269,000 / yearThis is a high-impact role for an engineer who wants to shape the safety of complex robotic systems from architecture through deployment, and to help set functional safety direction across the broader engineering organization, not just a single product line. Agility's commercially deployed humanoids operate alongside teams in warehouses, manufacturing facilities, and distribution centers-tackling physically demanding and repetitive tasks while enabling workers to focus on higher-value work.
Principal Legal Engineer Microsoft CorpPrincipal Legal EngineerSan Francisco, CA$147,000–$258,000 / yearWorking alongside engineering, you will turn platform and connected-service data into a standing view of adoption, throughput, system health, and emerging trends, so that leadership questions are answered from a system that already exists rather than a scramble. The Customer & Partner Solutions (CPS) group is where legal meets the commercial engine, supporting the Microsoft Commercial Business, Microsoft Elevate, the Deal Desk, and thousands of customer and partner interactions every year.
Principal, Security Engineer Coupang IncPrincipal, Security EngineerMountain View, CABorn out of an obsession to make shopping, eating, and living easier than ever, we are collectively disrupting the multi-billion-dollar commerce industry from the ground up and establishing an unparalleled reputation for being leading and reliable force in South Korean commerce. We are looking for an experienced Security Engineer to help modernize our enterprise directory services and identity infrastructure while improving reliability, scalability, and security across a global environment.
Principal Software Engineer - AI Experiences, Copilot Microsoft CorpPrincipal Software Engineer - AI Experiences, CopilotMountain View, CABachelor's degree in computer science, or related technical discipline AND 10+ years software engineering experience building web products at scale by coding in languages including, but not limited to, Typescript and React OR Masters Degree in Computer Science, or related technical discipline AND 8+ years software engineering experience building web products at scale by coding in languages including, but not limited to, Typescript and React OR equivalent experience. Bachelor's degree in computer science, or related technical discipline AND 4+ years software engineering experience building web products at scale by coding in languages including, but not limited to, Typescript and React OR equivalent experience.
Principal Software Engineer II - Interoperable Foundations Snowflake IncPrincipal Software Engineer II - Interoperable FoundationsMenlo Park, CA$304,000–$437,000 / yearWe look for low-ego individuals who thrive in dynamic and fast-moving environments and move with an experimental mindset - who rapidly test emerging capabilities to discover simpler, more powerful ways to deliver results. We lead innovations across open table formats such as Apache Iceberg, helping customers build peta-byte scale multi-cloud data lakes on Snowflake.
Principal AI Platform Engineer - AI Experiences, Copilot Engineering Microsoft CorpPrincipal AI Platform Engineer - AI Experiences, Copilot EngineeringMountain 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. Starting January 26, 2026, AI Experiences 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.
Senior Principal Optical Integration Engineer LightWorks Optical SystemsSenior Principal Optical Integration EngineerFremont, CACollaborate with cross-functional teams consisting of laser packaging, Silicon Photonics, IC design, substrate layout, and module design teams. Experience of managing cross-functional teams successfully, interacting with a broad range of functions, skills, cultures, and personalities.
Senior Principal Optoelectronics Engineer LightWorks Optical SystemsSenior Principal Optoelectronics EngineerFremont, CACollaborate with Product Line Management and R&D Management to generate development schedules that achieve key project milestones, NPI deliverables, business requirements, and customer satisfaction. Work closely with III-V gain material teams in characterizing laser gain material parameters, optimizing device performance, and preparing samples for laser manufacturing.
Principal Design Engineer LightWorks Optical SystemsPrincipal Design EngineerFremont, CACollaborate with test and reliability engineers to develop characterization plans, validate device performance, and ensure long-term product reliability. Lead the design, simulation, development, and optimization of high-speed, high-sensitivity InGaAs/InP photodiodes for advanced optoelectronic applications.
Principal Design Engineer Coherent CorpPrincipal Design EngineerFremont, 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.
Senior or Principal Structural Design Engineer - Data Center Mission Critical Enercon Services IncSenior or Principal Structural Design Engineer - Data Center Mission CriticalEmeryville, CA$107,200–$183,000 / yearAdditionally, the role may involve inspections, allow you to create client presentations, and provide collaboration with multidisciplinary teams. Engineering Leadership: Drive impactful solutions in the power industry through expert design, analysis, and cutting-edge building systems.
Principal Software Engineer - PMTS Salesforce IncPrincipal Software Engineer - PMTSSan Francisco, CA$197,300–$313,700 / yearWe work in a highly collaborative environment, and you will partner with a highly cross functional team comprised of Data Scientists, Software Engineers, Machine learning engineers, UX experts, and product managers to build AI Apps. Demonstrated track record of cultivating strong working relationships and driving collaboration across multiple technical and business teams to resolve critical issues.
Senior Principal Optoelectronics Engineer Coherent CorpSenior Principal Optoelectronics EngineerFremont, 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. Collaborate with Product Line Management and R&D Management to generate development schedules that achieve key project milestones, NPI deliverables, business requirements, and customer satisfaction.
Principal Software Engineer, Foundry Agents - CoreAI Microsoft CorpPrincipal Software Engineer, Foundry Agents - CoreAIMountain View, CA$139,900–$274,800 / yearWithin CoreAI, the Foundry Agents organization is responsible for key ownership areas across the end-to-end agent lifecycle: (a) Foundry Agents platform to deploy and run agents securely at enterprise scale with seamless integration with governed tools, (b) model fine-tuning to train and improve agentic performance, and (c) Foundry observability to generate insights from agentic traces and continuously evaluate and optimize agents. Preferred Qualifications: Masters Degree in Computer Science or related technical field AND 12+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python OR Bachelors Degree in Computer Science or related technical field AND 15+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python OR equivalent experience.
Principal NPI Engineer Coherent CorpPrincipal NPI EngineerSunnyvale, CAProficient with data analysis and reporting tools Working Conditions Regular use of a computer and other office equipment is necessary Interaction with team members and external contacts is a regular part of the job Physical Requirements Sitting for extended periods while working on a computer or conducting meetings. We 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.
Principal Business Intelligence Engineer Coherent CorpPrincipal Business Intelligence EngineerSanta Clara, 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. Drive enterprise data integration initiatives involving Oracle E-Business Suite (EBS), ERP systems, manufacturing systems, external APIs, and cloud-based data platforms.
AI Engineer (Senior, Staff, Senior Staff, Principal) Health GPT IncAI Engineer (Senior, Staff, Senior Staff, Principal)Menlo Park, CAOwn your first major outcome: By day 90, you will have shipped an end-to-end AI feature or system improvement (a new RAG pipeline, multi-agent workflow, or voice agent capability), validated it works reliably in production, and established the development patterns that the team will scale going forward. We recently raised a $126M Series C at a $3.5B valuation, led by Avenir Growth, bringing total funding to $404M with participation from CapitalG, General Catalyst, a16z, Kleiner Perkins, Premji Invest, UHS, Cincinnati Children's, WellSpan Health, John Doerr, Rick Klausner, and others.
Principal/Senior Software Engineer, Experimentation Platform - CoreAI Microsoft CorpPrincipal/Senior Software Engineer, Experimentation Platform - CoreAIMountain View, CA$119,800–$234,700 / yearPreferred: Master's Degree in Computer Science or related technical field AND 6+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python OR Bachelor's Degree in Computer Science or related technical field AND 8+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python OR equivalent experience. Qualifications Required: Bachelors Degree in Computer Science or related technical field AND 4+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python OR equivalent experience.
Senior Principal Optical Integration Engineer Coherent CorpSenior Principal Optical Integration EngineerFremont, 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. Collaborate with cross-functional teams consisting of laser packaging, Silicon Photonics, IC design, substrate layout, and module design teams.