NewSoftware Engineer CognitionSoftware EngineerSan Francisco, California$260,000–$300,000 / yearYou will be working on some of the hardest open problems in applied AI: how do you build an agent that can reason across thousands of lines of code, spawn and coordinate subagents, use tools reliably across ambiguous long-horizon tasks, and do all of this in a way that a real engineer would trust? Build core agent infrastructure: Design and ship the systems that power Devin's long-horizon task execution: tool use, context management, multi-step planning, subagent orchestration, and sandboxed code execution environments.
Frontend Software Engineer Pi SecurityFrontend Software EngineerSan Francisco, CaliforniaPi turns that context into institutional security memory, helping teams triage faster, remediate in context, prevent repeat vulnerability classes, and embed security guardrails where engineering work already happens. You will work closely with product, design, backend engineering, and security experts to build the surfaces engineers and security teams use to understand risk, investigate findings, review context, and take action.
NewSenior Software Engineer III (Full Stack) Recruiting From ScratchSenior Software Engineer III (Full Stack)San Francisco, New YorkRemoteAs the engineering team continues to grow, they're hiring a Senior Software Engineer to own products end-to-end, help establish technical leadership, and build AI-native engineering workflows that accelerate product development. Backed by leading investors including Blockchain Capital and notable technology founders, the company has built a profitable business serving enterprise customers backed by firms such as Sequoia and Andreessen Horowitz.
NewSenior Software Engineer (Calculations & Allocations) Recruiting From ScratchSenior Software Engineer (Calculations & Allocations)San Francisco, New YorkFollowing a recent $50M Series B, the company is scaling quickly while tackling some of the most technically challenging problems in financial software, including configurable workflow systems, proprietary calculation engines, and complex capital allocation infrastructure. This is a backend-focused role with significant ownership, where you'll architect highly configurable systems, partner directly with executive leadership, and solve technically demanding problems where correctness and auditability are critical.
Software Engineer - Baseten Inference Stack BaseTenSoftware Engineer - Baseten Inference StackSan Francisco, CAAs a Software Engineer on the Inference Stack team, you'll work across the stack - from the developer experience customers use to deploy models, the libraries used for features like tool calling and reasoning, all the way down to the systems we use to orchestrate deployments in Kubernetes and route traffic efficiently. https://www.baseten.co/blog/how-baseten-multi-cloud-capacity-management-mcm-powers-cloud-self-hosted-and-hybr/#comparing-deployment-options-cloud-vs-self-hosted-vs-hybrid .
Software engineer, generative AI WriterSoftware engineer, generative AISan Francisco, CaliforniaA Connect mindset that thrives in collaborative settings where you actively engage with cross-functional teams and mentor other engineers, a Challenge spirit that drives you to tackle complex technical hurdles and proactively suggest innovative improvements, and an Own attitude where you take full accountability for delivering high-quality, resilient, and scalable code from conception to production. Founded in 2020 with office hubs in San Francisco, New York City, Seattle, Austin, Chicago, and London, our team thinks big and moves fast, and we're looking for smart, hardworking builders and scalers to join us on our journey to create a better future of work with AI.
Software Engineer, Generative AI WriterSoftware Engineer, Generative AISan Francisco, CAA Connect mindset that thrives in collaborative settings where you actively engage with cross-functional teams and mentor other engineers, a Challenge spirit that drives you to tackle complex technical hurdles and proactively suggest innovative improvements, and an Own attitude where you take full accountability for delivering high-quality, resilient, and scalable code from conception to production. Founded in 2020 with office hubs in San Francisco, New York City, Seattle, Austin, Chicago, and London, our team thinks big and moves fast, and we're looking for smart, hardworking builders and scalers to join us on our journey to create a better future of work with AI.
Software Engineer - Data Aquisition (Systems) OpenAISoftware Engineer - Data Aquisition (Systems)San Francisco, CAFor 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. You do not need to come in as a kernel expert or highly algorithmic optimization engineer, but you should be deeply curious about infrastructure, comfortable debugging complex systems, and excited to support researchers doing novel work.
Software Engineer - Data Aquisition (systems) OpenAISoftware Engineer - Data Aquisition (systems)San 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. You do not need to come in as a kernel expert or highly algorithmic optimization engineer, but you should be deeply curious about infrastructure, comfortable debugging complex systems, and excited to support researchers doing novel work.
Software Engineer, Productivity - Model Performance OpenAISoftware Engineer, Productivity - Model PerformanceSan 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. AI is an extremely powerful tool that must be created with safety and human needs at its core, and to achieve our mission, we must encompass and value the many different perspectives, voices, and experiences that form the full spectrum of humanity.
Member of Technical Staff, Software Engineer InceptionMember of Technical Staff, Software EngineerSan MateoInception was co-founded by Stanford professor Stefano Ermon , who co-invented such breakthrough AI technologies as diffusion models, flash attention, and DPO, UCLA professor Aditya Grover , who co-invented node2vec, decision transformers, and d1 reasoning, and Cornell professor and Afresh co-founder Volodymyr Kuleshov , who co-invented MDLM and Block Diffusion. Based in Palo Alto, CA, we are backed by top-tier venture capitalists, including Menlo Ventures, Mayfield, M12 (Microsoft’s venture fund), Snowflake Ventures, Databricks, and Innovation Endeavors, and by tech luminaries such as Andrew Ng, Andrej Karpathy, and Eric Schmidt.
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, 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.
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.
Staff Software Engineer, Bazel & Go Maplebear IncStaff Software Engineer, Bazel & GoCARemote$265,000–$279,500 / yearStrong production experience writing and operating Go services at scale, with a point of view on structuring large Go codebases (frameworks, dependency management, testing patterns, shared libraries). We define and build the platforms, tools, and practices that enable Instacart engineers to ship high-quality software faster - from AI-powered code review to build infrastructure, developer onboarding, and local development environments.
Software Engineer, Quality, Retail and Marcom Engineering Apple IncSoftware Engineer, Quality, Retail and Marcom EngineeringSunnyvale, CAYou'll build and extend the quality platform-orchestration, retrieval, evaluation harnesses, and APIs-that scales quality across the portfolioBuild platform services that normalize data from PRs, specs, logs, and test runs and surface signals in a central dashboard Evolve the execution layer by operating shared runners with fair queues and hardened images and by adding observability and repeatable test data to reduce infra flakiness and speed time to signal Codify guardrails by implementing thresholds and Pass or Warn or Block verdicts with lightweight change history Prototype quickly and deliver end to end from design to launch with fast, disciplined iterations Partner across Engineering to drive adoption and a simple developer experience Ship agentic workflows to automate test generation, defect triage, and CI/CD gates Integrate LLM and retrieval to power internal QE copilots and PRs or Slack embedsRequires Bachelors degree in Computer Science, a technical field or a minimum of 5 years of relevant work experience in the US. The Marcom Quality Engineering team is hiring a full-stack Software Engineer to help turn internal tooling into a Quality Platform-shared services, APIs, and evaluation pipelines that improve CI/CD signal quality for engineering, QE, and production teams.
Software Engineer - Neki Orchestration PlanetScale, IncSoftware Engineer - Neki OrchestrationSan Francisco, CA$120,000–$290,000 / yearVitess is an open-source database clustering system for horizontal scaling of MySQL, enables businesses to efficiently handle large-scale data workloads - without sacrificing developer experience. PlanetScale is a profitable company with a philosophy centered around building small teams of p99 individuals and is recognized as one of the fastest growing companies in America.
NewSoftware Engineer, Customer Experience OllamaSoftware Engineer, Customer ExperiencePalo Alto, CaliforniaWhat started as an open-source, local-first runtime is now the largest developer network in the open-model ecosystem: 8.9 million monthly active developers and over 67,000+ community-built integrations. You're a software engineer who genuinely enjoys helping users — maybe you've done support engineering, developer experience, or you're the person on your team who answers questions and files the fix.
NewStaff Software Engineer, Claude Code AnthropicStaff Software Engineer, Claude CodeSan Francisco, CAThe ideal candidate will have a passion for developer tools, extensive knowledge of diverse programming environments and languages, and experience with advanced LLM features like tool-use, chaining and orchestration patterns, and prompt engineering. 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.
Software Engineer, RCM Billing CommureSoftware Engineer, RCM BillingMountain View, CaliforniaOur platform spans the full care journey: Ambient AI and Dictation eliminating documentation burden at the point of care, intelligent Agents automating patient and revenue workflows, and autonomous RCM processing billions in claims, all on a single AI-native platform integrated with 60+ EHRs. Today, 500,000+ clinicians across 500+ healthcare organizations nationwide trust Commure to handle $25B+ in annual claims and support over 200 million patient interactions.