Staff+ Software Engineer, Backend AnthropicStaff+ Software Engineer, BackendSan Francisco, CAYou'll independently scope complex, multi-month projects through ambiguous problem spaces and lead peers through technical and product decisions; you'll drive alignment with product, peer engineering teams, and research to identify capability gaps and translate frontier model improvements into shipped products. This critical effort partners with Safeguards, Auth & Identity, Policy, and Product teams across API, Claude.ai, and third-party platforms as customers, creating the systems for KYC/KYB, trust grant issuance and inheritance, and end-user verification that flow across every Anthropic surface.
Software Engineer - Testing Frameworks BaseTenSoftware Engineer - Testing FrameworksSan Francisco, CAYour focus is the full testing stack: fast and reliable unit test tooling, integration harnesses that spin up realistic environments on demand, load and performance testing for GPU-backed inference workloads, and resilience testing that deliberately breaks things so our customers never have to find out what happens when a node dies mid-request. Deep experience with testing frameworks and their internals - pytest, Go's testing package, testify, testcontainers, or equivalents - including the ability to extend them, not just use them.
Lead Systems Engineer, Information Technology, Full-Time, Days MarinHealth Medical CenterLead Systems Engineer, Information Technology, Full-Time, DaysSan Rafael, CaliforniaAdvanced knowledge of networking, including secure design, segmentation, and interoperability between on-premises and cloud environments Experience with virtual desktop infrastructure (VDI) platforms and enterprise-level automation tools for streamlined provisioning and configuration Proficiency in group policy administration and compliance-driven architecture to ensure security and usability Familiarity with advanced security frameworks (Zero Trust, IAM, RBAC) and regulatory requirements Ability to build TCO models and multi-year cost projections for technical initiatives Effective collaboration, communication, and leadership skills for cross-functional teamwork and mentoring technical staff Experience providing training and documentation to technical teams and maintaining hardware inventory Skilled in troubleshooting network-related issues and supporting mobile device integration. Demonstrated expertise in desktop support, troubleshooting, and administration for a wide range of devices and applications Proven ability to architect, modernize, and integrate desktop and systems infrastructure with cloud platforms Strong understanding of endpoint management, desktop/mobile systems architecture, and enterprise identity/access management Advanced proficiency in enterprise mobile device management (MDM) for iPhone and Android platforms, ensuring secure configuration, compliance, and operational excellence in regulated environments such as healthcare or finance.
Staff+ Software Engineer, Experimentation AnthropicStaff+ Software Engineer, ExperimentationSan Francisco, CAThis role focuses on the configuration and experimentation systems that let teams safely roll out changes, run controlled experiments, and make data-driven decisions across our products and infrastructure - from feature flagging and dynamic configuration to A/B testing platforms that support both research and production workloads. The systems we build determine how quickly we can train new models, how reliably we can run safety experiments, and how effectively we can scale Claude to millions of users - demonstrating that safe, reliable infrastructure and frontier capabilities can go hand in hand.
Staff+ Software Engineer, Databases AnthropicStaff+ Software Engineer, DatabasesSan Francisco, CAYou'll help set the database strategy for Anthropic: designing systems that handle billions of API requests, building storage that runs cleanly across GCP, AWS, and a range of deployment models, and creating the reliable data layer that lets research move fast. 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+ Software Engineer, Caching AnthropicStaff+ Software Engineer, CachingSan Francisco, CAThe Caching team is part of the Databases organization and owns the systems that keep Anthropic's hottest paths fast and correct: a managed Redis fleet, client libraries used across the company, and CDC-driven cache invalidation that solves one of distributed systems' hardest problems the right way. 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.
Model Performance Software Engineer, Claude Code AnthropicModel Performance Software Engineer, Claude CodeSan Francisco, CAThis is a senior individual contributor role for someone who has already built and owned systems at significant scale, and who is ready to operate as a technical leader: driving architecture, mentoring engineers, and influencing the direction of Claude Code itself. 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.
NewSenior Software Engineer, Network Tooling Crusoe EnergySenior Software Engineer, Network ToolingSan Francisco, CA$170,000–$205,000 / yearThe ideal candidate is an experienced distributed systems engineer who thrives on solving hard scalability and reliability problems at scale, enjoys mentoring other engineers, and wants ownership over infrastructure that's mission critical to a fast growing cloud provider. What You'll Be Working On: Network State Management: Design and develop the systems that manage network state for Crusoe Cloud, including network provisioning, configuration management, topology/routing state, and control plane APIs that other teams and systems rely on.
Staff+ Software Engineer, Platform AnthropicStaff+ Software Engineer, PlatformSan Francisco, CAThis critical effort partners with Safeguards, Auth & Identity, Policy, and Product teams across API, Claude.ai, and third-party platforms as customers, creating the systems for KYC/KYB, trust grant issuance and inheritance, and end-user verification that flow across every Anthropic surface. Agentic Systems: You'll build the infrastructure and APIs that let developers create powerful agentic applications on the Claude API - including Claude Managed Agents, our managed platform for deploying and running agents in production.
Electrical Design Engineer - Data Center Crusoe EnergyElectrical Design Engineer - Data CenterSan Francisco, CA$195,000–$225,000 / yearWe're 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. Design and specify electrical equipment for critical power path - including power transformers, LV/MV switchgear, UPS, data center building power distribution, protection and controls, auto transfer, switchboards, cabling, busway, panels, etc.
Staff Software Engineer, Agents Harvey, Inc.Staff Software Engineer, AgentsSan Francisco, CA$231,000–$340,000 / yearYou will design environments and actions for agentic professional work, make model selection decisions, manage context windows, create optimal tools, and develop evals that enable faster iteration loops to unlock new capabilities. We're looking for engineers and researchers who are immersed in the space, driven to ship impactful products, and are experienced in using practical evaluations to drive task completion quality and customer delight.
Senior Software Engineer, Agents Harvey, Inc.Senior Software Engineer, AgentsSan Francisco, CA$193,400–$290,000 / yearYou will design environments and actions for agentic professional work, make model selection decisions, manage context windows, create optimal tools, and develop evals that enable faster iteration loops to unlock new capabilities. We're looking for engineers and researchers who are immersed in the space, driven to ship impactful products, and are experienced in using practical evaluations to drive task completion quality and customer delight.
Sr. Electrical Engineer - Power & Utilities NV5Sr. Electrical Engineer - Power & UtilitiesWalnut Creek, California$120,000–$170,000 / yearThe submission of unsolicited resumes by recruitment or staffing agencies to NV5 or its employees is strictly prohibited unless contacted directly by NV5's internal Talent Acquisition team seeking 3rd party sourcing assistance. The ideal candidate will have a strong technical background in power system modeling, utility infrastructure, relay coordination, renewable energies and microgrid integration, along with an ability to work independently and mentor others.
Senior Staff Machine Learning Engineer TapestrySenior Staff Machine Learning EngineerMountain View, CaliforniaPartner closely with Tapestry’s machine learning technical leads, Power Systems Scientists, Software Engineers, Product Managers, and global utility partners to translate complex, large-scale grid data into actionable insights that improve grid planning, operations, and maintenance. Own the technical roadmap and system architecture for Tapestry’s multimodal intelligence engines, scaling models across multimodal machine learning, graph neural networks, geospatial and remote-sensing data, reinforcement learning for physical control systems, and multi-turn agentic systems.
Sr. Instrumentation & Controls Test Engineer Motive CompaniesSr. Instrumentation & Controls Test EngineerAlameda, CA$130,000–$165,000 / yearThe Company, an innovative aerospace company developing advanced propulsion and spacecraft technologies, is seeking a Senior Instrumentation & Controls (I&C) Test Engineer to lead the design and improvement of complex test infrastructure supporting propulsion, avionics, and spacecraft hardware. You will also serve as a technical leader across multiple projects, mentoring engineers and helping design scalable test systems that support rapid development cycles.
Embedded Software Engineer Artech LLCEmbedded Software EngineerFoster City, CA$75–$97.84 / hourProficiency with Python and test automation (e.g., Pytest), plus Git, build systems (e.g., Bazel), and unit testing frameworks (e.g., GTest). Architect, implement, and maintain production-quality C applications for embedded Linux, with a focus on low-latency, high-performance user- and kernel-space solutions.
NewSenior Manufacturing Quality Engineer, Data Center Power & Cooling AnthropicSenior Manufacturing Quality Engineer, Data Center Power & CoolingSan Francisco, CAAnthropic is building and securing data center capacity at an unprecedented pace, and the power and cooling equipment that goes into those sites - switchgear, UPS, generators, transformers, busway, chillers, CDUs, air handlers, pumps and piping skids - is long-lead, high-value, and unforgiving of defects. Plan, witness, and sign off factory acceptance tests (FATs) for electrical gear (switchgear, UPS, transformers, gensets, busway, PDUs) and mechanical systems (chillers, CDUs, CRAH/fan walls, dry coolers, pumps, piping skids), including functional, performance, and integrated-system testing.
Senior Software Engineer, Storage CrusoeSenior Software Engineer, StorageSan Francisco, California$166,000–$201,000 / yearWe're 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. As a Senior Software Engineer on our storage team, you'll be joining our core engineering team to design, build, and optimize our next-generation cloud storage products.
Senior Software Engineer, Security CrusoeSenior Software Engineer, SecuritySan Francisco, CaliforniaWe're 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. You will take end-to-end ownership of your technical systems, spanning detailed software design, development, thorough testing, and robust deployment via automated integration pipelines (CI/CD), ensuring our security systems are highly available and operate effectively at scale.
Staff Software Engineer, Security CrusoeStaff Software Engineer, SecuritySan Francisco, CaliforniaData Flow Design: Strong experience engineering technical architectures involving complex data flows, event-driven architectures, fine-grained access controls, data retention management, and secure third-party integrations. We're 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.