Principal Software Engineer, Data Infrastructure RobloxPrincipal Software Engineer, Data InfrastructureSan Mateo, CA$295,250–$345,040 / yearCross-Organizational Technical Leadership: A proven track record of influencing technical direction across a large engineering organization, leading consensus on complex architectural initiatives, and championing successful multi-quarter projects. You do not wait for clean specifications in high-ambiguity environments; you actively define the technical requirements, unblock dependencies, rally engineers across pods, and steer complex projects from initial whiteboard sketch all the way to production stability.
Principal Research Engineer, Model Training & Post-Training Inflection AI IncPrincipal Research Engineer, Model Training & Post-TrainingPalo Alto, CA$400,000–$550,000 / yearLead training and post-training strategy, including supervised fine-tuning, RLHF, DPO, GRPO, RLAIF, reward modeling, preference optimization, tool-use fine-tuning, distillation, synthetic data, and related methods. Inflection's models are central to our product and platform strategy, and we are looking for a hands-on technical leader to own the model-improvement loop from data and training through evals, post-training, release criteria, and production feedback.
Principal Engineer, Agentic AI Systems Inflection AI IncPrincipal Engineer, Agentic AI SystemsPalo Alto, CA$400,000–$550,000 / yearYou''ll build production AI agents that can reason, retrieve context, use tools, and safely execute complex workflows while driving the design of scalable agent architectures, evaluation frameworks, observability, and reliability systems. 10+ years of engineering experience, including 3+ years at staff/principal or equivalent scope, and 2+ years building production-grade agentic or LLM-powered systems used by real customers.
Principal Research & Engineering, Realtime Voice AI Inflection AI IncPrincipal Research & Engineering, Realtime Voice AIPalo Alto, CA$400,000–$550,000 / yearThis person will help shape how emotionally intelligent AI shows up in spoken interactions, partnering across research, engineering, product, and design to deliver voice agents that feel responsive, trustworthy, and useful in enterprise settings. Establish the technical roadmap for Inflection''s realtime Voice AI stack, encompassing streaming ASR, TTS, speech-to-speech, speech LLMs, turn-taking, barge-in, latency, and reliability.
Principal NPU Microarchitect RivianPrincipal NPU MicroarchitectPalo Alto, California$218,000–$312,000 / yearFull timeRivian may use your Candidate Personal Data for the purposes of (i) tracking interactions with our recruiting system; (ii) carrying out, analyzing and improving our application and recruitment process, including assessing you and your application and conducting employment, background and reference checks; (iii) establishing an employment relationship or entering into an employment contract with you; (iv) complying with our legal, regulatory and corporate governance obligations; (v) recordkeeping; (vi) ensuring network and information security and preventing fraud; and (vii) as otherwise required or permitted by applicable law. Rivian may share your Candidate Personal Data with (i) internal personnel who have a need to know such information in order to perform their duties, including individuals on our People Team, Finance, Legal, and the team(s) with the position(s) for which you are applying; (ii) Rivian affiliates; and (iii) Rivian’s service providers, including providers of background checks, staffing services, and cloud services.
Principal Software Engineer - Roblox Database RobloxPrincipal Software Engineer - Roblox DatabaseSan Mateo, CA$293,800–$343,340 / yearRoblox’s database team develops the next-generation, multi-tenant database platform that elastically scales and underpins every online data workload at Roblox. 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 Technical Product Manager with Quote-to-Cash (QTC) Cardinal Integrated Technologies IncPrincipal Technical Product Manager with Quote-to-Cash (QTC)San Jose, CAExposure to Contract Lifecycle Management (CLM) Proven experience participating in or leading Merger & Acquisition (M&A) integration initiatives, including integration of acquired companies, products, systems, pricing models, and Quote-to-Cash operational processes. The ideal candidate will bring extensive experience in SAP Order-to-Cash (OTC), SAP BRIM, CPQ, and Contract Lifecycle Management (CLM) platforms, along with a proven track record of driving enterprise-scale transformations and M&A integrations.
Principal Systems Engineer, Safety ZooxPrincipal Systems Engineer, SafetyFoster City, CAFull timeCollaborative team player with good written and in-person communication skills, capable of influencing, driving consensus, and presenting complex data to varied audiences including senior executives. In this highly visible position, you will lead technical programs with cross-functional teams, defining, developing, and continuously refining the methodology for measuring and optimizing safety and fail-operational metrics.
Principal Solution Architect, Professional Services - Finance AnaplanPrincipal Solution Architect, Professional Services - FinanceSan Francisco, United StatesRemoteThis is not a typical implementation role, it’s a consulting-led position where you will shape strategy, influence executives, solve complex business challenges, and deliver enterprise planning solutions that drive measurable business value. You will support Anaplan commercial and product activities illustrating expertise in Anaplan Applications and Platform working directly with AE’s, Pre-sales, Professional Services sales and product leads.
Associate Principal (Antitrust & Competition Economics practice) Charles River AssociatesAssociate Principal (Antitrust & Competition Economics practice)Oakland, CA$170,000–$240,000 / yearStrong achievement in an undergraduate degree program and graduate degree program (Masters or PhD) with focused study in economics, mathematics, statistics, engineering or another quantitative discipline; Graduate degree plus 3-10 years of experience, consulting experience preferred; Demonstrated understanding of economic concepts, and quantitative and qualitative analysis methods; Exceptional written and oral communication skills; Experience programming, model building, and regression analysis using languages such as Stata, R, Python, or SAS. Also, please note if you have interest in a particular practice and/or a location preference; Writing Sample (voluntary) – we prefer a sole-authored submission from an existing work (work product, published article or academic paper) that includes your commentary on a quantitative analysis and/or relevant to the field of economics.
Sr Principal Biostatistician, WCH BiogenSr Principal Biostatistician, WCHSan Francisco, California$141,000–$188,000 / yearRegular employees are eligible to receive both short term and long-term incentives, including cash bonus and equity incentive opportunities, designed to reward recent achievements and recognize your future potential based on individual, business unit and company performance. The base compensation range for this role is: $141,000.00-$188,000.00 Base salary offered is determined through an analytical approach utilizing a combination of factors including, but not limited to, relevant skills & experience, job location, and internal equity.
Principal Marketing Manager, Media Investment Intelligent Decisioning Intuit IncPrincipal Marketing Manager, Media Investment Intelligent DecisioningMountain View, CA$191,000–$258,500 / yearYou will own the partnership between Paid Media, Data Science, and Finance that determines channel mix and investment allocation across the TurboTax envelope, and you will run the weekly SLT Investment Review that translates model output and marketplace signal into a clear point of view for senior leadership. In parallel, you will help build the Central Decision Engine - the architecture that unifies MMM, platform, and creative signal into a single, always-on source of investment guidance - moving the team from weekly reporting to real-time, model-driven decisioning.
Principal, Social & Influencer Marketing Intuit IncPrincipal, Social & Influencer MarketingOakland, CA$205,000–$277,500 / yearOwn the day-to-day build-out and execution of the influencer program, including the relationship with our creator agency: manage sourcing and contracting, and personally vet and brief talent for higher-stakes or strategic partnerships, ensuring platform compliance across every campaign while staying close enough to key relationships to keep the work authentic and on-brand. Build and evolve the community management framework, including response protocols, escalation paths, and crisis playbooks that guide day-to-day execution by our agency partners, and step in personally on complex or high-stakes moments.
Principal Enterprise Technology Architect Crusoe Energy Systems LLCPrincipal Enterprise Technology ArchitectSan Francisco, CA$225,000–$255,000 / yearPartner with the AI & Automation Staff Engineer to identify high-value opportunities to embed AI into Crusoes enterprise systems - workflow automation, intelligent document processing, enterprise copilots, and natural-language interfaces to platforms - contributing enterprise-systems and data-model expertise to their design. Were looking for problem-solving, opportunity-finding teammates with a sense of urgency, who believe in the scale of our ambition and thrive on a path not fully paved - people who want to grow their careers alongside a team of experts across energy, manufacturing, data center construction, and cloud services.
Employment Policy & Compliance Principal Stanford Health CareEmployment Policy & Compliance PrincipalPalo Alto, CaliforniaMinimum of 10 years of HR compliance or employee relations experience required, with demonstrated expertise across multiple domains including: wage-and-hour issues, AWS, policy governance, regulatory surveys, PAGA, timekeeping audits, and unemployment claims. Develops and oversees strategic employment compliance frameworks across multiple regulatory domains, implementing system-wide approaches to ensure Stanford Health Care maintains consistent compliance with evolving municipal, county, state, and federal requirements.
Principal Program Manager – Consumer Solutions/App/Touchpoints HPPrincipal Program Manager – Consumer Solutions/App/TouchpointsPalo Alto, WashingtonYou will be responsible for creating bounty solutions & ecosystem platform that leverage the wide array of media network portfolio to deliver differentiated experiences through software/ solutions/ services; serving as a central resource across multiple organizations including engineering, operations, category, quality, support, services, marketing, finance, and sales organizations. Sets solutions/ services launch strategy and business objectives for bounty solutions & framework; lead the implementation and launch details; define and track KPIs; Leads cross-functional teams through agile development processes, including sprint planning, daily stand-ups, and retrospectives.
Senior Staff / Principal Software Engineer - Freeway Autonomy ZooxSenior Staff / Principal Software Engineer - Freeway AutonomyFoster City, CAYou will bring deep technical expertise in a relevant autonomy domain — the specific domain is flexible — along with the hard-won judgment that comes from having taken a freeway driving program from supervised operation to driverless. We are looking for a Senior Staff or Principal Software Engineer who has played a significant role in removing the driver from an autonomous vehicle operating on freeways, and who can help Zoox navigate that same journey.
Senior Risk Manager/Principal Project Controls - Transit Infrastructure HNTB CorpSenior Risk Manager/Principal Project Controls - Transit InfrastructureSan Jose, CA$188,125.20–$300,511.68 / yearDevelops conceptual estimates reflecting the potential budget of a project at a highly preliminary stage of design development and assists in the development of Independent Cost Estimates (ICE) to support the change management process for active projects. Bachelor's degree in Engineering, Architecture, Construction Management, or a related field, plus 15 years of relevant experience; 5 of the 15 years in passenger rail or related transportation modes and 10 of the 15 years of experience planning, designing, and implementing an overall risk management process for an organization.
Principal 3D Generalist Social Gaming NetworkPrincipal 3D GeneralistSan Francisco, CARemote$75,000–$120,000 / yearTo help promote an inclusive culture, we celebrate the visible and invisible diversity of our Jam Citizens through initiatives including Employee Resource Groups, cultural events, trainings, speaker series, and more. The range listed is just one component of Jam City's total compensation package for employees, which may also include annual bonuses, short- and long-term incentives, and program-specific awards.
Principal Product Manager, Agent Development Platform Intuit IncPrincipal Product Manager, Agent Development PlatformMountain View, CA$243,000–$328,500 / yearDefine and drive the multi-year product vision, strategy, and roadmap for Intuit's internal Agent SDLC-including the Agent Starter Kit (ASK), Agent Sandbox, and developer productivity tooling-scaling active developer adoption and cutting agent development and deployment time in half. Deep technical fluency in state-of-the-art agentic frameworks (e.g., LangGraph, Claude SDK, OpenAI SDK, open-source agent tooling), model context/memory architectures, and AI-native harness capabilities and using them at scale.