Jobs in San Francisco, California, United States

About the company Braintrust is the agent observability platform. By actively applying intelligence to agent traces and automatically surfacing the most critical patterns, Braintrust gives teams the visibility to understand how agents behave in production and the tools to improve them.Teams at Notio

ABOUT US: Astro Mechanica is a vertically integrated aerospace company building a faster, more connected future. Our mission is to democratize high-speed flight by making supersonic travel flexible, accessible, and sustainable. We believe that rapid, on-demand, point-to-point global mobility will be

The Role We're looking for an Applied Scientist who thrives at the intersection of applied research and real-world products. You'll push the frontier on efficiency, gradient-free exploration, real-time learning, and interface design — translating advances in these areas into adaptive ML systems that

About Nucs AI Nucs AI is revolutionizing cancer care through cutting-edge AI and medical imaging technology. Founded in 2024 by a multidisciplinary team of oncologists, AI researchers, and healthcare innovators, we’re tackling one of medicine’s most pressing challenges: the growing demand for accura

About the role Gamma is one of the fastest-growing AI companies in the world - profitable, ~100 people, and one of four top features on the Forbes AI 50 in 2026. We're building the platform that's replacing static slides with a new medium for presenting ideas, and millions of people already use it e

Company Overview Construction is a $13T industry that builds the world. It’s also decades behind on software. The worst bottleneck? Cost estimates. Takeoffs are still done by hand — estimators spend days measuring and counting materials from drawings. It’s tedious, slow, and one error can cost milli

About Terawatt Infrastructure The once-in-a-century transition to autonomous and electric vehicles is underway and will require a multi-trillion-dollar investment in energy and charging infrastructure, and the real estate to site it on. Terawatt is the leader in delivering large-scale, turnkey charg

About E2B E2B is a fast-growing Series A startup with 8-figure revenue. We've raised over $37M since our founding in 2023. Our customers include companies like Microsoft, Perplexity, Hugging Face, Manus, and Groq. We're building the next hyperscaler for AI agents. ABOUT THE ROLE This is our second s

About Doss DOSS is building an Operations Cloud for the real world. A modern, AI-native platform for physical product businesses to manage the flow of goods, dollars, and data in real time, across: Procurement Inventory Orders Fulfillment Finance Built to replace spreadsheet chaos and rigid, consult

Akido builds AI-powered doctors . Akido is the first AI-native care provider, combining cutting-edge technology with a nationwide medical network to address America’s physician shortage and make exceptional healthcare universal. Its AI empowers doctors to deliver faster, more accurate, and more comp

Thinking Machines Lab's mission is to empower humanity through advancing collaborative general intelligence. We're building a future where everyone has access to the knowledge and tools to make AI work for their unique needs and goals. We are scientists, engineers, and builders who’ve created

About David AI David AI is the first audio data research company. We bring an R&D approach to data–developing datasets with the same rigor AI labs bring to models. Our mission is to bring AI into the real world, and we believe audio is the gateway. Speech is versatile, accessible, and human—it fits

Who We Are EDO is the TV outcomes company. Our leading measurement platform connects convergent TV airings to the ad-driven consumer behaviors most predictive of future sales. EDO empowers the advertising industry to maximize media impact, optimize creative performance, and know the fair value of ev

About Bland AI At Bland, we’re building the most human AI phone agents in the world. We’re a Series B startup backed by Emergence Capital, Y Combinator, and the founders of PayPal and Twilio, and we’ve raised $65M to reimagine the future of customer communication. Today, we’re a 60 person team power

Product Engineer — Interact You'll own Firecrawl's browser interaction layer — the product that turns Firecrawl from a data extraction tool into the eyes of every AI agent on the web. Interact lets developers scrape a page and then pull data by acting on it: clicking, filling forms, navigating, comp

About Us Founded in 2021, Axion is at the forefront of transforming product quality and customer satisfaction in manufacturing. Our cutting-edge AI-powered platform empowers manufacturers to swiftly identify, thoroughly investigate, and effectively resolve quality issues while simultaneously elevati

Company Overview Echo Neurotechnologies is an exciting new startup in the Brain-Computer Interface (BCI) space, driving innovation through advanced hardware engineering and AI solutions. Our mission is to deliver cutting-edge technologies that restore autonomy to people living with disabilities and

Introduction to Demandbase: Demandbase is the only pipeline AI platform that empowers GTM teams to automate growth at scale. With a unified view of data, insights, actions, and outcomes, B2B enterprises can seamlessly align and execute their account-based GTM strategies with confidence. Thousands of

Since 1984, Larkin Street Youth Services has helped more than 75,000 young adults in San Francisco with outreach, shelter, housing, education, employment, healthcare, and other services. Today, Larkin Street Youth Services is the largest provider of housing and services to homeless youth in the Bay

Shape the Future of AI At Labelbox, we're building the critical infrastructure that powers breakthrough AI models at leading research labs and enterprises. Since 2018, we've been pioneering data-centric approaches that are fundamental to AI development, and our work becomes even more essential as AI