Senior Software Security Engineer at Anthropic | San Francisco, CA, New York City, NY, Seattle, WA

About AnthropicAt Anthropic, we are dedicated to developing AI systems that are reliable, interpretable, and steerable. Our goal is to ensure that AI serves as a safe and beneficial tool for users and society alike. Our rapidly expanding team comprises passionate researchers, engineers, policy experts, and business leaders who collaborate to create beneficial AI technologies.About the TeamThe Security Engineering team at Anthropic is committed to safeguarding our AI systems and upholding user trust. We establish the authentication architecture for our training infrastructure, design cryptographic systems to protect model weights and training data, and oversee a developer security program that influences how our engineers create and deploy software.This team operates across various interconnected domains: identity and secrets management, developer security and supply chain, infrastructure security, and secure frameworks. You will take ownership of one or two of these domains while also contributing to others, with your area of focus influenced by your expertise and the team's objectives. This role primarily involves greenfield projects, allowing you to help shape the architectural landscape.About the Role:Design, scope, and implement complex security systems from start to finish, ensuring their maintenance in production while navigating ambiguous technical challenges with minimal supervision.Identify systematic risks through comprehensive threat modeling and risk assessment, subsequently developing the necessary controls and infrastructure to mitigate these risks.Mentor engineers within the security team and the wider engineering organization, participate in the hiring process, and foster a robust security culture at Anthropic.Empower other teams to develop their own security solutions by offering design pattern guidance and expanding security ownership beyond the security team.Developer Security and Supply ChainEnhance our developer security program by integrating security practices into the software development lifecycle and developer workflows.Fortify CI/CD pipelines against supply chain threats through isolated build environments, signed attestations, dependency verification, and automated policy enforcement.Identity and Secrets ManagementDesign systems that safeguard sensitive assets, including model weights, customer data, and training datasets.Establish and maintain credential issuance, rotation, and workload authentication across our multi-cloud environments.

Join Anthropic as a Product Designer and help shape the future of AI technology. We are looking for a creative and detail-oriented individual who thrives in a collaborative environment. In this role, you will work closely with engineers, product managers, and other designers to create innovative solutions that enhance user experience.

Join Anthropic as a UI Software Engineer and become a vital part of our innovative team dedicated to creating intuitive and engaging consumer products. In this role, you will leverage your expertise in user interface development to design and implement user-friendly applications that enhance our clients’ interactions with AI technologies.

About AnthropicAt Anthropic, we are dedicated to developing AI systems that are safe, interpretable, and controllable. Our mission is to ensure that technology benefits not only our users but society at large. Our rapidly expanding team consists of passionate researchers, engineers, policy experts, and business leaders collaborating to create beneficial AI systems.About the RoleAs a key member of Anthropic's Accelerator Capacity Engineering (ACE) team, you will contribute to the management of one of the industry’s largest and fastest-growing fleets of accelerators, encompassing various families and cloud environments. Your role will involve ensuring the optimal utilization and allocation of every chip within this fleet. You will be responsible for developing the data, tools, and operational systems that enable Anthropic to plan, measure, and enhance the usage of both first-party and third-party compute resources.In this position, you will create production systems that drive our operations, including data pipelines that gather and normalize telemetry from diverse cloud environments, observability tools for real-time fleet health insights, and performance metrics to assess the efficiency of major workloads on the hardware. You will be expected to produce high-quality production code daily, engage with Kubernetes-native infrastructure at scale, and have a direct impact on one of Anthropic's most significant expenditure areas.Your work will involve close collaboration with teams in research engineering, infrastructure, inference, and finance. We seek a versatile engineer who is comfortable transitioning between data engineering, systems engineering, and observability, thriving in a high-autonomy and high-ambiguity setting.What This Team OwnsThe ACE team operates across three primary functional areas. Depending on your expertise and interests, you may concentrate on one area, while also engaging with the others:Data Infrastructure: Building and maintaining the data pipelines that collect, normalize, and serve fleet-wide data. This includes ingesting occupancy and utilization telemetry from Kubernetes clusters, normalizing billing and usage data across various cloud providers, and managing the BigQuery layer utilized by the organization. Here, correctness, completeness, and latency are crucial.

About AnthropicAt Anthropic, we are dedicated to building AI systems that are reliable, interpretable, and steerable. Our goal is to ensure that AI is safe and advantageous for our users and society at large. We are a rapidly expanding team of devoted researchers, engineers, policy experts, and business leaders collaborating to develop beneficial AI systems.Role Overview:Join our Product Engineering team at Anthropic! We are seeking talented engineers proficient in full-stack development to help design, build, and deploy advanced capabilities across our current and future product offerings—from prototypes to production. Collaborate with product leaders, designers, and researchers to explore new model capabilities and redefine user experiences in the realm of Large Language Models (LLMs). You will be expected to possess a solid product intuition, enhance technical quality across the stack (including performance, accessibility, reliability, and developer experience), and scale your efforts to millions of users globally, all while being genuinely enthusiastic about the potential of AI.We are currently hiring for multiple teams. Team assignments will occur post-interview based on your interests and experience in conjunction with the needs of our organization. This flexible approach enables us to align skilled engineers with backend product initiatives where they can have the most substantial impact and growth opportunities.Your Responsibilities:Developer Experience: You will create products and tools—including consoles, SDKs, documentation, and observability features—that empower developers to confidently utilize Claude in their most critical applications. Our mission is to meet developers in their workflow and elevate their capabilities with our models and API. This involves fostering trust through excellent platform fundamentals, inspiring developers to enhance their utilization of Claude's features, and facilitating agentic development for both human and AI developers. Collaborate closely with teams across the platform organization to transform Claude's latest capabilities into tangible experiences that developers can easily adopt—from initial prompt to production agent.Beneficial Deployments: We are looking for experienced software engineers to join our Beneficial Deployments Engineering team. Your role will involve bringing Claude to communities that stand to benefit most from AI technology, including nonprofits, educational institutions, healthcare entities, life sciences researchers, and economic mobility initiatives worldwide.Enterprise Applications/End Users: You will...

Join Stripe as a Security Engineer and play a pivotal role in ensuring the security and integrity of our systems. You will collaborate with cross-functional teams to identify vulnerabilities and implement state-of-the-art security measures. Your expertise will help us safeguard sensitive data and maintain trust with our customers globally.

About AnthropicAt Anthropic, we are dedicated to developing AI systems that are not only reliable but also interpretable and steerable. Our goal is to ensure that AI serves the best interests of our users and society as a whole. Our rapidly expanding team consists of passionate researchers, engineers, policy experts, and business leaders, all collaborating to create beneficial AI systems.About the RoleWe are seeking skilled engineers with a strong foundation in full-stack development to join our Product Engineering organization. In this role, you will serve as a technical leader, taking comprehensive ownership of the user experience across various platforms, including Claude.ai, the Anthropic API, enterprise solutions, Claude Code, and mission-driven applications. You will work in partnership with engineering managers, product leaders, designers, and researchers to explore new model capabilities and redefine user experiences in the realm of large language models (LLMs). Your product-oriented mindset and commitment to technical excellence will be essential as you scale our services to millions of users globally, while fostering a genuine passion for the potential of AI.We have multiple teams actively hiring, and team placement will occur post-interview, taking into account your interests and experience alongside organizational needs. This flexible approach allows us to align talented engineers with backend product initiatives where they can make the most significant impact and achieve maximum growth.

Senior Software Engineer - ConnectivityThe Connectivity team at Scale owns the foundational platform that empowers us to consistently generate, assess, and deliver high-quality training data to our clients. Our systems are integral to Scale’s data and AI infrastructure, facilitating large-scale workflows while enabling cutting-edge AI functionalities such as multi-modality, long-horizon reasoning, and agentic behavior.We are seeking a seasoned engineer with extensive experience in developing robust platforms. The ideal candidate will possess strong architectural judgment, a commitment to correctness and reliability, and the capability to design systems that can scale and adapt effectively over time. This role is primarily backend-focused but includes full-stack responsibilities and substantial ownership from design to long-term operations.

Join Anthropic as a Technical Enablement Lead and play a pivotal role in enhancing our technical capabilities and supporting our teams in the deployment of Claude Code. This position is ideal for an individual with a strong technical background and a passion for enabling others to succeed in their technical endeavors.

The Company You’ll JoinCarta is a pioneering company that connects founders, investors, and limited partners through innovative software tailored for the venture capital, private equity, and private credit sectors. With a trusted network of over 65,000 companies across 160+ countries, Carta’s robust platform offers the tools necessary to build, invest, and scale with confidence.Our Fund Administration platform supports more than 9,000 funds and SPVs, managing nearly $185 billion in assets. We provide CFOs of funds with specialized tools designed to enhance their strategic impact. Recognized by prestigious publications such as Fortune, Forbes, Fast Company, Inc., and Great Places to Work, Carta is at the forefront of transforming private market infrastructure.Together, we are crafting a comprehensive ERP platform for private markets, addressing the limitations of traditional ERP solutions. Our software is a revolutionary approach that modernizes the private capital landscape, making it more streamlined and efficient.For additional insights about our offices and culture, please visit our Carta careers page.The Problems You'll SolveAt Carta, we are dedicated to unlocking the potential of equity ownership for individuals globally. As a Lead Product Manager, you will play a pivotal role in ensuring that our offerings remain at the forefront of the market, delivering transformative solutions.The Team You’ll Work WithOur hiring approach at Carta emphasizes collaboration and inclusivity, ensuring both an exceptional candidate experience and optimal team alignment. During the initial phase of our interview process, you will engage with various domains relevant to our hiring needs:Fund TaxWe are in search of a Lead Product Manager to guide the advancement of our Fund Tax platform, one of our fastest-growing offerings. This role is essential in bridging complex accounting data with regulatory compliance, automating critical processes such as the preparation, filing, and distribution of federal and state tax documents.

Join Stripe as a Security Analyst, where you will play a critical role in safeguarding our systems and data. In this position, you'll work closely with various teams to identify vulnerabilities, implement security measures, and respond to incidents effectively. Your expertise will help us maintain a secure environment while supporting our mission to increase the GDP of the internet.

Merge stands at the forefront of technology, providing innovative agentic tools and seamless customer-facing integrations for leading frontier LLMs, Fortune 500 companies, and B2B SaaS enterprises. Our platform features two flagship products: Merge Unified, which enables businesses to effortlessly integrate hundreds of applications through a single API, and Merge Agent Handler, which equips AI agents with secure access to a multitude of third-party tools. Renowned for its enterprise-grade capabilities, Merge oversees the entire integration lifecycle—from authentication and security to monitoring and maintenance. Countless organizations rely on Merge to enhance product development, streamline sales efforts, reduce customer attrition, and conserve engineering resources, allowing them to concentrate on their core offerings. Who are we looking for?We are seeking a proactive Solutions Engineer who will take charge of all technical interactions with prospects during their evaluation and deployment of Merge’s solutions. This role involves creating proofs of concept, providing technical demonstrations, and collaborating with engineering and platform teams to prioritize feature enhancements and resolve issues. As a Solutions Engineer, you will engage in high-value projects that command significant visibility both internally and externally.What you will do:Serve as the primary technical point of contact for prospects as they evaluate and implement Merge through proofs of concept and technical workshops.Develop and nurture relationships to ensure an exceptional developer experience.Collaborate with engineering and platform teams to identify product improvement opportunities based on insights gathered from prospects.Lay the groundwork for the rapid expansion of a successful solutions engineering team!

About AnthropicAt Anthropic, our mission is to develop AI systems that are not only reliable and interpretable but also steerable, ensuring they are safe and beneficial for users and society. We are a dynamic team of dedicated researchers, engineers, policy experts, and business leaders, all collaborating to create impactful AI solutions.About the RoleAs we build our Treasury function, we are focused on scalability and automation from the outset. Our goal is to establish modern and well-controlled processes that can grow alongside the business, backed by robust systems, clear governance, and the strategic use of AI tools. We are committed to designing touchless, AI-native workflows from day one with SOX-grade controls integrated into our processes.This position reports directly to the Treasury Ops Lead and is pivotal in shaping and managing the foundation of our Treasury Operations. You will oversee critical tasks such as daily cash positioning, global bank account management, intercompany funding, payment controls, and Treasury reporting, while refining these processes to ensure they scale efficiently as we expand.This hands-on role is ideal for someone who thrives in both execution and process development. You should be adept at managing essential daily operations while pinpointing improvement, automation, and control enhancement opportunities.You will be the second member of a rapidly growing Treasury Operations team at a company that is deliberately scaling. The processes you establish in your first six months will serve as the backbone for our operations at a tenfold scale. You will have end-to-end ownership, utilizing a tailored toolkit to design Treasury workflows that are seamlessly integrated with AI from inception, embodying the unique approach that only Anthropic can offer.

About AirOpsAirOps is pioneering the first comprehensive content engineering platform designed for the AI era. As the landscape of discovery transitions from traditional search to AI-driven platforms, we empower brands to enhance their visibility and maintain relevance. Our recent phase of rapid growth has seen a remarkable 5x increase in revenue over the past year, supporting marketing teams at renowned organizations like Ramp, Chime, Carta, and Rippling to transform content quality into a sustainable competitive edge.Our innovative platform enables marketers to adeptly navigate the evolving discovery landscape, identify high-impact opportunities, and generate precise, on-brand content that garners citations from AI and earns human trust. With backing from esteemed investors such as Greylock, Unusual Ventures, Wing VC, and Founder Collective, we are dedicated to building intelligent systems that will empower the next generation of marketing leaders. AirOps has its headquarters in San Francisco, New York, and Montevideo.About the RoleAt AirOps, we operate at the convergence of AI and brand intelligence, processing millions of AI-generated responses daily across all major AI providers. Our data platform is experiencing exponential growth: currently processing 2 million answers each day, with an increase of hundreds of thousands monthly, as new providers and product features come online regularly. The data engineering decisions you make today will directly influence our product tomorrow. You will take charge of the pipelines, ingestion infrastructure, and data quality systems that underpin everything our customers interact with. As we establish a dedicated data team for the first time, the frameworks you create will shape the operational patterns of this function for years to come. You will engage with technologies such as ClickHouse, distributed ingestion pipelines, and a multi-provider scraping stack, with significant responsibility for ensuring reliability and accuracy. If you are eager to work on data that is central to our product rather than merely internal tools, this is the opportunity for you.

As the Communications Lead at Anthropic, you will play a pivotal role in shaping and sharing our narrative with external stakeholders. You will oversee our communication strategies, ensuring that our messaging aligns with our mission and values. The ideal candidate will possess a strong background in communications, with a proven ability to engage diverse audiences through impactful storytelling and strategic outreach. Join us in our mission to build safe AI systems and contribute to positive societal outcomes.

Join The Anthropic Institute as an Analyst, where you will play a pivotal role in advancing research and insights that shape the future of AI safety and policy. Contribute to impactful projects, collaborate with a diverse team of experts, and help foster a safer AI landscape.

We are seeking an experienced and strategic Operations Manager to lead our efforts at Claude Marketplace. In this pivotal role, you will be responsible for optimizing operational efficiency, driving innovative solutions, and enhancing our marketplace's performance. You will collaborate with cross-functional teams to develop and implement strategies that align with our business objectives.

About HebbiaHebbia is an innovative AI platform designed for investors and bankers, delivering exceptional insights that generate alpha and maximize potential returns.Founded in 2020 by George Sivulka and supported by notable investors such as Peter Thiel and Andreessen Horowitz, Hebbia empowers investment decisions for major firms including BlackRock, KKR, Carlyle, and Centerview, along with 40% of the world's largest asset managers. Our flagship product, Matrix, offers unparalleled accuracy, speed, and transparency in AI-driven analysis, entrusted to manage over $30 trillion in global assets.We empower finance professionals with intelligence that provides a definitive competitive edge. Our AI uncovers unseen signals, reveals hidden opportunities, and accelerates decision-making with unmatched speed and confidence. We don't just enhance workflows; we revolutionize how capital is allocated, risk is managed, and value is created in the markets.Hebbia is not merely a tool; it is the competitive advantage that drives performance, alpha, and market leadership.The TeamThe Integrations team serves as the crucial link between Hebbia’s AI platform and the diverse data sources our customers depend on. We design and maintain the pipelines that integrate content from enterprise systems—such as Snowflake, S3, SharePoint, Dropbox, and more—enabling Hebbia to effectively analyze it.This role involves critical infrastructure work that directly impacts our customers. When integrations are swift, reliable, and seamless, our clients trust Hebbia with their most vital workflows. Conversely, any disruption is immediately felt. Our team is responsible for the entire process: creating new connectors, reinforcing existing ones, and ensuring a continuous data flow.The RoleThis is not a standard backend engineering position with just a few integrations. You will primarily focus on developing, troubleshooting, and managing data integrations across numerous third-party platforms. This hands-on role directly influences customer experiences and requires a passion for delivering exceptional solutions.

About AnthropicAt Anthropic, our mission is to develop trustworthy, interpretable, and controllable AI systems. We are dedicated to ensuring that AI technologies are safe and advantageous for both our users and society at large. Our rapidly expanding team comprises passionate researchers, engineers, policy specialists, and business leaders collaborating to create beneficial AI solutions.About the RoleAs a Product Manager on the Research team at Anthropic, you will be responsible for the conception and launch of innovative models and products that push the boundaries of safe AI technology. Collaborating closely with our research teams, you will help transform credible applied research into practical applications and identify high-impact use cases based on customer needs. We seek someone who is enthusiastic about developing secure and advantageous AI technologies and excels in ambiguous environments. Your inquisitiveness about user needs will empower you to link cutting-edge technology with products that provide tangible value.We are looking for seasoned founders and product managers who can connect research with ambitious product experimentation, possessing the ability to create and develop entirely new product categories powered by AI.

We are seeking a visionary Head of Engineering to lead our dynamic team at Gusto. As the Head of Engineering, you will play a critical role in shaping our technology strategy and driving innovative engineering solutions. This is an exciting opportunity to influence the direction of our engineering practices and to mentor and grow our talented engineering team.