Jobs in San Francisco, California, United States

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 the job Role: Software Engineer Location: San Francisco, CA (Onsite/Hybrid) Employment Type: Full-Time Salary: $140,000–$300,000 Other: Equity options About Ever Ever is building the future of auto retail. As the first AI-native auto retail platform, we are building the next $100B+ automotive

The Role Candid Health is looking to hire multiple Customer Strategy & Operations team members in 2026! Over the past year, this team has grown significantly, and we’re excited to bring on new talent to help drive that momentum forward and support our continued expansion. In this role, you will own

Introducing Moonlake, AI for creating world simulations. Scope of Work Training efficiency Dataloaders, fusion, activation remat, gradient checkpointing. FSDP/ZeRO/tensor+pipeline parallel; NCCL tuning. GPU + kernel performance Nsight profiling, Triton/CUDA kernels, fused ops. Flash-attention–style

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

Building Healthcare That Remembers Every time you call a doctor's office, the system forgets you the moment you hang up. You wait on hold, explain everything from scratch, get bounced between lines, and hope someone follows up. Everyone has felt this. No one should have to. At Assort Health, we're b

fal is the generative media ecosystem powering the next generation of AI products. We build the infrastructure, tools, and model access that teams need to move from idea to production, and do it at scale without compromise. For developers and enterprises, fal is the foundation that makes generative

About Giga Giga has recently raised a $61M Series A and is working with Fortune 500 customers to deploy the next generation of customer experience - real-time AI agents that can understand emotion, resolve issues instantly, and scale across the world's largest enterprises. Industry leaders like Door

About Glide GLIDE is a nationally recognized center for social justice, dedicated to fighting systemic injustices, creating pathways out of poverty and crisis, and transforming lives. Through its integrated comprehensive services, advocacy initiatives, and inclusive community, GLIDE empowers individ

About Dash0 Join Dash0 and help us define the future of observability. We are OpenTelemetry-native, building a delightful, simple, and AI-centric platform that eliminates vendor lock-in and meaningless toil. Shape a product that developers love—all with transparent pricing and cost-control built in.

Campfire is looking for a driven, high-energy Sales Development Representative to join our fast-growing team. This role is ideal for someone with 1–2 years of direct SDR experience, who thrives in a fast-paced, ambiguous startup environment and is looking for a clear path to become an Account Execut

Exa is an applied AI lab building a search engine unlike the world has ever seen. We build massive-scale infra to crawl the entire web, train state-of-the-art embedding models to process it, and design super high performant vector databases to retrieve over it. We now power search for Cursor, Cognit

Why this role matters now AI has dramatically lowered the barrier for bad actors. Generating convincing phishing pages, spinning up realistic-looking fraudulent accounts, and producing abusive content at scale no longer requires specialized skill—a motivated attacker with access to widely available

Factory is seeking talented frontend engineers to help build out the human-AI interaction patterns that define our core platform, enabling our enterprise customers to seamlessly collaborate with advanced AI systems. What you will do and achieve: Collaborate with product designers and backend enginee

TriFetch — Forward Deployed Engineer Type: Full-time | On-site | San Francisco, CA Compensation: $150,000–$200,000 + Competitive Equity Hiring count: 1 Visa sponsorship: Yes — H-1B (including transfer), O-1, OPT Reports to: Founder About TriFetch TriFetch develops AI solutions for repetitive healthc

About Anthropic Anthropic’s mission is to create reliable, interpretable, and steerable AI systems. We want AI to be safe and beneficial for our users and for society as a whole. Our team is a quickly growing group of committed researchers, engineers, policy experts, and business leaders working tog

CoreWeave is The Essential Cloud for AI™. Built for pioneers by pioneers, CoreWeave delivers a platform of technology, tools, and teams that enables innovators to build and scale AI with confidence. Trusted by leading AI labs, startups, and global enterprises, CoreWeave combines superior infrastruct

Who we are Pronto AI is a global leader in commercializing autonomous vehicle (AV) technology, deploying Autonomous Haulage Systems (AHS) that automate operations in mines, quarries, and construction sites worldwide. While much of the industry remains in R&D, we deliver real, production-ready au

Brailsford & Dunlavey (B&D), which now includes Project Management Advisors (PMA),is seeking a Project Manager to support our Technology clients in the San Francisco Bay Area. This is a hybrid role based in San Francisco, CA . The Opportunity An opportunity for a driven project management profession

Why join us Brex is the intelligent finance platform that enables companies to spend smarter and move faster in more than 200 markets. By combining global corporate cards and banking with intuitive spend management, bill pay, and travel software, Brex enables founders and finance teams to accelerate