Software Engineer - GPU Networking & Distributed Systems BaseTenSoftware Engineer - GPU Networking & Distributed SystemsSan Francisco, CADeep-Dive into Hardware: You will characterize and validate networking performance on bleeding-edge clusters (H100/H200, B200/B300, GB200/300 NVL72), writing the acceptance tests that ensure our hardware delivers peak achievable throughput and minimal latency. Optimize Distributed Inference: You will implement and tune the networking layers necessary for efficient Disaggregated KV Cache Offload and WideEP, ensuring seamless communication across NVLink and InfiniBand for our MoE models.
Software Engineer, Internal Tools MetriportSoftware Engineer, Internal ToolsSan Francisco, CaliforniaBuilding Automations End-to-End : Designing and shipping integrations between our internal and third-party systems — from scoping the requirement with a stakeholder, to deploying a working solution, to making sure it doesn't break quietly. Evaluating and Adopting New Tools : Researching integration platforms (Zapier, n8n, Make, etc.) and AI productivity tools, working with the Security team to assess their security posture, and rolling them out in a way that meets our compliance requirements.
Staff Software Engineer - Fullstack Sigma ComputingStaff Software Engineer - FullstackSan Francisco, CA$240,000–$270,000 / yearThe round was led by Princeville Capital, with new strategic investors Databricks Ventures, ServiceNow Ventures, and Workday Ventures participating alongside returning investors Altimeter Capital, Avenir Growth Capital, D1 Capital Partners, K5 Global, NewView Capital, Spark Capital, Sutter Hill Ventures, and XN. This milestone follows Sigma reaching $200M in annual recurring revenue in April 2026, with more than 100% year-over-year growth and 1.1 million new active users added in the latest fiscal year.
Staff Software Engineer - Authentication & API OrumStaff Software Engineer - Authentication & APISan Francisco, CaliforniaYou’ll architect, build, and evolve systems spanning backend services, APIs and authentication systems that power Orum’s live calling platform at scale, while mentoring engineers and raising the bar for simplicity, performance, and reliability. Own complex product areas end-to-end—from discovery and design to implementation, rollout, and iteration—operating across Node/TypeScript backends, APIs and Auth systems, with React frontends.
Staff Software Engineer - Product Platform Team OrumStaff Software Engineer - Product Platform TeamSan Francisco, CaliforniaYou’ll architect, build, and evolve systems spanning backend services and modern web UIs that power live calling workflows (e.g., SIP/event-driven softswitch paths, WebSocket-driven experiences, and streaming audio processing), while mentoring engineers and raising the bar for simplicity, performance, and reliability. From intelligent dialing and real-time conversation insights to AI-driven coaching and virtual sales floors, Orum is powering thousands of sales teams to have more meaningful conversations and turn every call into measurable impact.
Software Engineer - Enterprise Platform BaseTenSoftware Engineer - Enterprise PlatformSan Francisco, CAEnterprise engineering authors the core building blocks, APIs, and user experiences powering the Baseten platform: identity and access management, billing, regional isolation, and self-hosted and single-tenant deployment options. Experience building enterprise software, including work on one or more of: identity and access management, billing systems, multi-tenant isolation controls, private connectivity, or compliance program initiatives.
Senior Software Engineer, Production Engineering Harvey, Inc.Senior Software Engineer, Production EngineeringSan Francisco, CA$161,300–$241,900 / yearOperate and continuously improve Harvey's Kubernetes platform, including cluster provisioning, upgrades, networking, monitoring, reliability, performance, and operational automation. Establish reusable patterns, tooling, and paved paths that help engineering teams ship and operate production services safely.
Staff + Sr. Software Engineer, Cloud Inference AnthropicStaff + Sr. Software Engineer, Cloud InferenceSan Francisco, CAWork cross-functionally with internal inference, product API, systems, and security teams, among others, and with CSP partners to stand up the full serving stack on new cloud platforms, resolve operational issues, and influence provider roadmaps. This research continues many of the directions our team worked on prior to Anthropic, including: GPT-3, Circuit-Based Interpretability, Multimodal Neurons, Scaling Laws, AI & Compute, Concrete Problems in AI Safety, and Learning from Human Preferences.
Staff + Sr. Software Engineer, Cloud Inference Launch Engineering AnthropicStaff + Sr. Software Engineer, Cloud Inference Launch EngineeringSan Francisco, CAIdentify and dive deep on the gaps that make inference behave differently across first-party and CSPs - config drift, observability, deployment patterns, hard cross-platform bugs - and fix them at the source rather than building platform-specific workarounds. This research continues many of the directions our team worked on prior to Anthropic, including: GPT-3, Circuit-Based Interpretability, Multimodal Neurons, Scaling Laws, AI & Compute, Concrete Problems in AI Safety, and Learning from Human Preferences.
Senior Software Engineer, Backend Platform Harvey, Inc.Senior Software Engineer, Backend PlatformSan Francisco, CA$238,000–$290,000 / yearCollaborate with Model Infrastructure team to tackle challenges unique to GenAI-native applications - such as supporting high-throughput model inference, managing streaming and long-running API interactions, and designing abstractions for retrieval, context handling, and prompt lifecycle. Develop and maintain Harvey's internal backend frameworks and libraries that provide common capabilities (API routing, service lifecycle management, caching and messaging primitives, error handling interfaces, etc.), so product teams don't have to reinvent them.
Staff Software Engineer, Production Engineering Harvey, Inc.Staff Software Engineer, Production EngineeringSan Francisco, CA$231,000–$340,000 / yearOperate and continuously improve Harvey's Kubernetes platform, including cluster provisioning, upgrades, networking, monitoring, reliability, performance, and operational automation. Establish reusable patterns, tooling, and paved paths that help engineering teams ship and operate production services safely.
Staff+ Software Engineer, Safeguards Review Tooling AnthropicStaff+ Software Engineer, Safeguards Review ToolingSan Francisco, CAThat platform includes analytics capabilities, privacy-preserving primitives that keep review workflows compatible with our data retention commitments, and a sandbox environment where new review interfaces and workflows can be built and iterated quickly. Experience integrating LLMs or agentic systems into operational workflows, or building human-in-the-loop automation - including using agentic coding tools (e.g., Claude Code) as a core part of your own development workflow.
Software Engineer, Infrastructure, Interpretability AnthropicSoftware Engineer, Infrastructure, InterpretabilitySan Francisco, CAIn this role, you'll be deeply embedded alongside Interp Researchers to understand their workflows - building your understanding of the research as you go; at the same time you'll bridge communication with Anthropic's wider platform and security teams. This research continues many of the directions our team worked on prior to Anthropic, including: GPT-3, Circuit-Based Interpretability, Multimodal Neurons, Scaling Laws, AI & Compute, Concrete Problems in AI Safety, and Learning from Human Preferences.
NewStaff ML Engineer, Search Ads Shopping Relevance Models Google LLCStaff ML Engineer, Search Ads Shopping Relevance ModelsMountain View, CAWe"re looking for engineers who bring fresh ideas from all areas, including information retrieval, distributed computing, large-scale system design, networking and data storage, security, artificial intelligence, natural language processing, UI design and mobile; the list goes on and is growing every day. Collaborate on user journey understanding, metric and label formulation, feature and model improvements, live traffic experiments, data analysis, tools and infrastructure, and more, to predict and improve user experience on search ads.
Software Engineer, Delivery / CD OpenAISoftware Engineer, Delivery / CDSan Francisco, California$230,000–$490,000 / yearFor unincorporated Los Angeles County workers: we reasonably believe that criminal history may have a direct, adverse and negative relationship with the following job duties, potentially resulting in the withdrawal of a conditional offer of employment: protect computer hardware entrusted to you from theft, loss or damage; return all computer hardware in your possession (including the data contained therein) upon termination of employment or end of assignment; and maintain the confidentiality of proprietary, confidential, and non-public information. The Engineering Acceleration Delivery / Continuous Deployment team builds and operates the systems that safely ship OpenAI’s infrastructure and product code to production.
Software Engineer - Solutions AlchemySoftware Engineer - SolutionsSan Francisco, CaliforniaMedical, Dental, & Vision Gym Reimbursement️ Home Office Build-out Budget In-Office Group Meals️ Wellbeing & Mental Health Perks Learning & Development Stipend Company Sponsored Conferences & Events HSA and FSA Plans Fertility Benefits. You’ll bridge the gap between bleeding-edge use cases and robust infrastructure, shaping the future of Alchemy through your insights on real-world needs.
Software Engineer, Model Inference OpenAISoftware Engineer, Model InferenceSan Francisco, CaliforniaFor unincorporated Los Angeles County workers: we reasonably believe that criminal history may have a direct, adverse and negative relationship with the following job duties, potentially resulting in the withdrawal of a conditional offer of employment: protect computer hardware entrusted to you from theft, loss or damage; return all computer hardware in your possession (including the data contained therein) upon termination of employment or end of assignment; and maintain the confidentiality of proprietary, confidential, and non-public information. We are looking for an engineer who wants to take the world's largest and most capable AI models and optimize them for use in a high-volume, low-latency, and high-availability production and research environment.
Software Engineer, AI Security NotionSoftware Engineer, AI SecuritySan Francisco, California$270,000–$340,000 / yearSkills You'll Need to Bring: Secure software engineering craft: You have 8-10+ years of experience designing, building, or securing complex software systems, and you are comfortable working in production code with product and platform engineers. Build automated red-team and regression testing for risks such as prompt injection, indirect instruction following, data exfiltration, tool misuse, cross-tenant leakage, and unsafe workspace mutations.
Senior Software Engineer, Core Stellar Development FoundationSenior Software Engineer, CoreSan Francisco, CaliforniaPowered by a decentralized, fast, scalable, and uniquely sustainable network made for financial products and services and a thriving and passionate ecosystem that includes a non-profit organization driven by a mission, Stellar is paving the path to unlock the world’s economic potential through blockchain technology. This includes designing and implementing features that increase the performance of the network (peer to peer networking and processing performance), decentralization (resilience to nodes failing or coordinating to attack the network) as well as proper incentive mechanics for network participants.
Senior Software Engineer, Data falSenior Software Engineer, DataSan Francisco, CaliforniaYou'll partner closely with Infra to safely instrument core systems, design a low-latency analytical write path, and stand up the ingestion pipelines that unlock cost, margin, and infrastructure analytics for the entire company. Your work spans both edges of our stack - the production infrastructure that runs every model invocation, and the partner APIs and compute vendors whose costs we need to reason about in near real-time.