Principal Surveyor or above American Bureau of Shipping (ABS)Principal Surveyor or aboveSan Francisco, CaliforniaThe Principal Surveyor's primary role is to directly perform survey activities in accordance with ABS Rules, Guides, and all statutory requirements; while acting as a peer leader, knowledge resource, coach, and overall survey process expert at the port, station, or field site level. Directly execute and support safe and efficient survey activities to meet business outcomes related to service delivery, labor/productivity, budget, quality, policy, compliance, training, development, and safety.
Principal Software Engineer, Backend - Sharing RobloxPrincipal Software Engineer, Backend - SharingSan Mateo, CA$295,250–$345,040 / yearAlign Teams: Aligns multiple teams on shared technical direction, producing detailed design docs, phased roadmaps, and planning models that balance short and long-term goals. 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.
NewStaff/Principal Application Security Engineer BintiStaff/Principal Application Security EngineerOakland, CaliforniaThis includes scoping and prioritizing work, determining what levels of investment and risk we should take on given our scale and capacity, contributing to job descriptions and hiring plans for the next team members, and building relationships across teams and with company leadership to eectively communicate and advocate for these goals. Improve Security Architecture: In a leadership capacity with the Engineering team, identify, design, and implement technologies to enhance security automation, during the software development lifecycle, within the product itself, and in cloud hosting environments.
Senior Principal Machine Learning Engineer - Optimization PubMaticSenior Principal Machine Learning Engineer - OptimizationRedwood City, CaliforniaBenefits: Our benefits package includes the best of what leading organizations provide such as, paid leave programs, paid holidays, healthcare, dental and vision insurance, disability and life insurance, commuter benefits, physical and financial wellness programs, unlimited DTO in the US (that we actually require you to use!), reimbursement for mobile and fully stocked pantries plus in-office catered lunches 5 days per week. PubMatic is one of the world’s leading scaled digital advertising platforms, offering more transparent advertising solutions to publishers, media buyers, commerce companies and data owners, allowing them to harness the power and potential of the open internet to drive better business outcomes.
Principal Scientist, Immunology Jade BiosciencesPrincipal Scientist, ImmunologySan Francisco, CaliforniaRemote$175,000–$190,000 / yearThis role will provide scientific leadership across immunology-driven research activities that support Jade’s pipeline programs, including mechanism-of-action studies, disease biology assessment, indication evaluation, and translational strategy. Design and oversee mechanism-of-action studies to elucidate target biology, pathway modulation, and disease relevance across in vitro, ex vivo, and in vivo models, executed in partnership with CROs.
Principal Software Engineer - Compute (Kubernetes) RobloxPrincipal Software Engineer - Compute (Kubernetes)San Mateo, CA$345,040–$399,420 / yearDeep-Dive Engineering: Leverage deep expertise in Kubernetes internals, including custom controllers, operators, API server architecture, and etcd, to solve complex scaling bottlenecks and optimize our control plane. Architectural Leadership: Serve as a technical lead for our Kubernetes ecosystem, setting the long-term architectural strategy for a platform that manages thousands of nodes and supports millions of concurrent requests.
Principal Software Engineer, Compute Fleet Management RobloxPrincipal Software Engineer, Compute Fleet ManagementSan Mateo, CA$345,040–$399,420 / yearThis is a hands-on, deeply technical leadership role that owns all of Roblox's compute capacity end to end: from low-level provisioning and the data plane, up through the control planes that operate it, and all the way to the UI and internal-facing products that let teams self-serve capacity. Your org centralizes security, maintenance operations, and the uptime of every Roblox Kubernetes cluster, and governs the internal customer contracts that drive automation across the fleet spanning Roblox data centers and cloud providers.
Principal Software Engineer, GPU Compute RobloxPrincipal Software Engineer, GPU ComputeSan Mateo, CA$345,040–$399,420 / yearOwn the GPU host lifecycle above raw fleet management: driver, firmware, and CUDA stack management, GPU health and telemetry, and remediation of GPU-specific failures (XID errors, ECC, thermal, NVLink and fabric faults). This is a battle-tested GPU expert role focused on the machine management layer and above: how GPU hosts are made production-ready, kept healthy, and turned into reliable compute for the workloads that depend on them.
Senior · Staff · Principal Frontend Engineer Lead AlliesSenior · Staff · Principal Frontend EngineerSan Francisco, CaliforniaA Front-End Developer is responsible for building the user-facing parts of websites and web applications, ensuring a seamless and visually appealing user experience. • Version control systems (Git): Familiarity with version control systems like Git is crucial for collaborative development.
Senior · Staff · Principal Fullstack Engineer Lead AlliesSenior · Staff · Principal Fullstack EngineerSan Francisco, CaliforniaDeveloping and maintaining both front-end and back-end components: This includes writing code in various programming languages, designing user interfaces, and creating server-side logic. Collaborating with cross-functional teams: Working with product managers, designers, and other engineers to define requirements, design features, and ship new products.
Principal - Architectural Signage, Wayfinding & Branded Environments Impec GroupPrincipal - Architectural Signage, Wayfinding & Branded EnvironmentsPleasant Hill, CA$125,000–$170,000 / yearProject Planning and Execution: Review and approve the work plan during the proposal phase and upon contract execution including: Scope & approach, milestones and resourcing schedule, budget, and establishing primary responsibilities for client and team communication, change management, financials – (Billing, collections and budget), and project closeout – lessons learned. The Principal plays a key role in growing new business and managing projects from start to finish, ensuring project budgets and schedules are met, and collaborating with clients, team members, and vendors to deliver exceptional results.
Principal Software Engineer, Business Experience SnapchatPrincipal Software Engineer, Business ExperienceSan Francisco, CA$276,000–$414,000 / year10+ years of post-Bachelor's software development experience; or a Master's degree in a technical field + 9+ year of post-grad software development experience; or a PhD in a related technical field + 6+ years of post-grad software development experience. The Company operates Snapchat, a visual messaging app that enhances your relationships with friends, family, and the world, and Specs Inc., a wholly-owned subsidiary dedicated to making computing more human, in addition to Bitmoji, Saturn, and other digital services.
Associate Principal, Life Science Strategy Blue MatterAssociate Principal, Life Science StrategySan Francisco, CA$185,000–$225,000 / yearLead and manage project teams in the delivery of cross-functional projects across multiple areas of expertise, including product commercialization and launch, portfolio strategy, and organizational strategy and excellence. We have a strong presence across our offices, but especially on the West Coast (through our San Francisco headquarters), East Coast (through our Boston and New York City offices) and in Europe (through our London and Zurich offices).
Principal Solutions Architect, Data Insights MERUPrincipal Solutions Architect, Data InsightsSan Francisco, CA$170,000–$190,000 / yearIn training team members to be well-rounded individuals, we can deliver an overall higher impact to clients, allowing the ability to gain experience in diligence, turnarounds, interim management, data science, and more. We provide advisory services and data analytics support to middle-market companies ($50M - $2B in annual sales), and our clients include private equity firms, credit funds, investment banks, and law firms.
Principal Product Manager, Customs & Border Authorities Altana AIPrincipal Product Manager, Customs & Border AuthoritiesSan Francisco, CASupply chain transparency requirements, forced labor enforcement, fentanyl and precursor interdiction, tariff volatility, revenue leakage, and the pressure to facilitate ever-growing trade volumes with flat resources - customs and border authorities around the world are being asked to do something they've never been equipped to do: understand, monitor, and act on the full depth of global commerce, not just the edge of it. You will own the product vision across Altana's core customs offerings: the Altana Passport Manager, which lets authorities pre-clear goods before they ever arrive; the Altana Entry Processing System, which brings sophisticated AI to entry review at the speed and scale of live trade; and the Altana Trade Enforcement Suite, which powers enforcement and revenue protection from counternarcotics to undervaluation.
Principal - Business Consulting Infosys LTDPrincipal - Business ConsultingSan Francisco, CAPosition Overview: As a Principal Consultant specializing in IT Applications for Energy & Utility, you will lead and manage complex projects that involve analyzing, designing, and implementing separation and integration of IT applications that include ERP and non- ERP applications which can be COTS or custom. You will leverage your experience to provide IT strategic direction, drive operational excellence, and liaise with business process owners and application owners to ensure the running of business operations using the IT applications.
Principal Software Engineer, AI Platform Red PandaPrincipal Software Engineer, AI PlatformSan Francisco, CA$245,000–$290,000 / yearYou'll work on identifying and integrating the next generation of ADP capabilities as the agentic AI landscape evolves, translating emerging research and industry shifts into concrete engineering proposals and product bets. You Will: Track emerging research, frameworks, and industry developments in the agentic AI space, and translate the most relevant signals into concrete engineering proposals and product bets.
Principal Systems Engineer, Safety ZooxPrincipal Systems Engineer, SafetyFoster City, CACollaborative 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.
Launch Operations Principal Via TransportationLaunch Operations PrincipalSan Francisco, CA$120,000–$160,000 / yearFor each launch, you will serve as the leader of a transit network transformation; taking full ownership of the technology and operational transition, service performance, partner relationships, and a 30+ frontline team. About You: Minimum of 5+ years of experience in operations, consulting, strategy, tech or a field with meaningful client accountability and a demonstrated ability to lead big projects and develop teams.
Principal Software Engineer, CI and CD Foundation RobloxPrincipal Software Engineer, CI and CD FoundationSan Mateo, CA$345,040–$399,420 / yearWe need a visionary builder who deeply understands developer productivity engineering at scale—someone who can architect advanced systems (like custom Submit Queues or intelligent Merge Trains ) and harness modern agentic AI workflows to build an autonomous, lightning-fast developer platform. Master the Inner & Outer Loops: Dramatically reduce developer friction by modernizing the local inner loop (fast local feedback, smart caching, pre-commit optimization) and scaling the outer loop (distributed testing, fast artifact promotion, and automated OTA/binary deployments).