Staff+ Software Engineer, Capacity Engineering AnthropicStaff+ Software Engineer, Capacity EngineeringSan Francisco, CAAs an engineer on Capacity Engineering, you will build the production systems that power this work: data pipelines that ingest and normalize telemetry from heterogeneous cloud environments, observability tooling that gives the org real-time visibility into fleet health, and performance instrumentation that measures how efficiently every major workload uses the hardware it's running on. Reconciling CSP billing exports against vendor telemetry and internal systems with mismatched schemas, attributing spend to the workloads and teams that generate it, and turning inference demand signals and research roadmaps into a defensible compute plan.
Staff Software Engineer SuperDialStaff Software EngineerBurlingame, CaliforniaYou’ll play a critical role in designing high-performance backend services, APIs, and platform components that power real-time voice and automation tools used by healthcare providers across the country. We specialize in voice and LLM-powered solutions for revenue cycle management — helping clinics and health systems operate faster, smarter, and more efficiently.
Software Engineer Intern, Infrastructure NeuralinkSoftware Engineer Intern, InfrastructureSouth San Francisco, CAWe run a mixture of cloud-based and on-prem systems and have a user base spanning from highly technically proficient engineers to non-technical scientists and doctors; but all of them need solid systems, rugged networking, and bullet-proof software to do their jobs. This role will integrate tightly with teams across the company, and span all layers of the work environment stack, from deployment of physical hardware on the manufacturing line to custom tooling built to facilitate neural recordings from implants.
Software Engineer: Infrastructure ThatchSoftware Engineer: InfrastructureSan Francisco, CaliforniaWe’re a fully distributed early stage company using technology to change the way America does healthcare. We hire engineers across multiple levels and care most about the scope you’ve owned, the impact you’ve had, and how you make decisions.
Senior Software Engineer - Storage Cache RobloxSenior Software Engineer - Storage CacheSan Mateo, CA$243,290–$295,250 / yearBonus] Advanced Cache Internals: Experience extending cache functionality (e.g., writing custom Redis modules in C/Rust, complex Lua scripting) or deep-tuning underlying memory allocators like jemalloc. 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.
Senior Software Engineer (Cross-Platform Mobile) Pano AISenior Software Engineer (Cross-Platform Mobile)San Francisco, CaliforniaLeveraging a network of ultra-high-definition, 360-degree cameras atop high vantage points, as well as satellite and other data feeds, Pano AI produces a real-time picture of threats in a geographic region and delivers immediate, actionable intelligence. It has raised $89 million in venture capital from investors including Giant Ventures, Liberty Mutual Ventures, Tokio Marine Future Fund, Congruent Ventures, Initialized Capital, Salesforce Ventures, and T-Mobile Ventures.
Principal Software Engineer - Creator Collaboration RobloxPrincipal Software Engineer - Creator CollaborationSan Mateo, CA$295,250–$345,040 / yearAs a Principal Engineer focused on Collaboration, you will be leading the architecture and design of workflows on Roblox Studio and our platform enabling creators and AI agents to collaborate at scale by creating, sharing, and managing content. 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.
Principal Software Engineer - Content Lifecycle RobloxPrincipal Software Engineer - Content LifecycleSan Mateo, CA$295,250–$345,040 / yearAs a Principal Engineer on Content Lifecycle, you will be leading the architecture and design of workflows on Roblox Studio and our platform enabling Creators and AI agents to collaborate at scale by creating, sharing, and managing reusable content. 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.
Senior Software Engineer, Build Infrastructure ZooxSenior Software Engineer, Build InfrastructureFoster City, CAYou'll join the team that owns the build infrastructure making that possible: maintaining and evolving our Bazel-based build system in a large, multi-language monorepo used by hundreds of engineers. This role entails configuring and upgrading compilers, profiling and optimizing build pipelines, and serving as the primary expert for all build-related inquiries.
NewSoftware Engineer - Security Snorkel AI Inc.Software Engineer - SecuritySan Francisco, CA$220,000–$300,000 / yearWhether you're looking to deepen your technical expertise, explore leadership opportunities, or learn new skills across multiple functions, you're fully supported in building your career in an environment designed for growth, learning, and shared success. Builds trust with engineering, product, and infrastructure teams by proposing solutions that balance security posture with developer velocity - security controls that teams resist or work around deliver zero impact.
Senior Software Engineer: Assistant RobloxSenior Software Engineer: AssistantSan Mateo, CA$196,750–$243,290 / yearEvery 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. Understanding of tools, skills, and evaluation frameworks for AI systems, including how to design reliable tool interfaces, improve capability coverage, and measure quality through structured evals.
Senior Software Engineer, Client Systems (C++) RobloxSenior Software Engineer, Client Systems (C++)San Mateo, CA$195,780–$242,100 / yearEvery 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. A career at Roblox means you’ll be working to shape the future of human interaction, solving unique technical challenges at scale, and helping to create safer, more civil shared experiences for everyone.
Senior Software Engineer - Marketplace (Avatar Identity) RobloxSenior Software Engineer - Marketplace (Avatar Identity)San Mateo, CA$196,750–$240,250 / yearEvery 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. A career at Roblox means you’ll be working to shape the future of human interaction, solving unique technical challenges at scale, and helping to create safer, more civil shared experiences for everyone.
Principal Software Engineer - Roblox Database RobloxPrincipal Software Engineer - Roblox DatabaseSan Mateo, CA$293,800–$343,340 / yearRoblox’s database team develops the next-generation, multi-tenant database platform that elastically scales and underpins every online data workload at Roblox. 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.
Software Engineer, Productivity - Inference Runtime OpenAISoftware Engineer, Productivity - Inference RuntimeSan 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. The systems you build directly impact OpenAI’s ability to support new model launches, safely ship inference optimizations to the world, onboard new infrastructure providers, and operate one of the largest and most performance-sensitive inference platforms in the world.
Senior Software Engineer, Full-Stack AnthropicSenior Software Engineer, Full-StackSan Francisco, CAWe're currently building for three verticals, with more to come: Life Sciences - an agentic research platform for scientists: specialist agents for computational biology, literature review, and regulatory review, built on model capabilities we're investing in for biology and chemistry. We'll look to you to have a product-oriented mindset and input, own technical quality across the stack (performance, accessibility, reliability, and developer experience), scale your efforts to millions of users on a global scale, and carry genuine excitement about what AI makes possible.
Senior Software Engineer, Database (SmithDB) LangChainSenior Software Engineer, Database (SmithDB)San Francisco, CaliforniaToday, our platform includes LangSmith (Observability, Evaluation, Deployment, Fleet, and Sandboxes), our open source frameworks (LangChain, LangGraph, and Deep Agents), and the newly launched LangSmith Engine for autonomous agent improvement. With $125M raised at Series B from IVP, Sequoia, Benchmark, CapitalG, and Sapphire Ventures, we’re at a stage where we’re continuing to develop new products, growth is accelerating, and all team members have meaningful impact on what we build and how we work together.
Senior Backend Software Engineer, AI Observability & Evals Platform (LangSmith) LangChainSenior Backend Software Engineer, AI Observability & Evals Platform (LangSmith)San Francisco, CaliforniaToday, our platform includes LangSmith (Observability, Evaluation, Deployment, Fleet, and Sandboxes), our open source frameworks (LangChain, LangGraph, and Deep Agents), and the newly launched LangSmith Engine for autonomous agent improvement. With $125M raised at Series B from IVP, Sequoia, Benchmark, CapitalG, and Sapphire Ventures, we’re at a stage where we’re continuing to develop new products, growth is accelerating, and all team members have meaningful impact on what we build and how we work together.
Software Engineer, API Multicloud OpenAISoftware Engineer, API MulticloudSan 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. The team's mission is to distribute OpenAI's API broadly and safely by enabling key API technologies in cloud-native environments, in close partnership with Amazon and internal teams across Codex, Research, Safety Systems, and Applied.
Member Of Technical Staff (Software Engineer, API Platform) Perplexity AIMember Of Technical Staff (Software Engineer, API Platform)San Francisco, CAStrong customer empathy and product sense, ensuring the APIs you build are ergonomic, well-documented, and easy to adopt for developers and agents alike. From exabyte-scale knowledge indexes to codegen-first agent runtimes, the building blocks behind Perplexity's applications are some of the most battle-tested AI systems in the industry.