Founding Engineer Jobs in San Francisco, CA

AI Talent Now Job #ZR 79Were looking for a full-stack engineer with 25 years of experience who can make scalable architectural decisions and own the product layer around our AI core. You should be comfortable building real-time video pipelines backend APIs and mobile/desktop clients for industrial-f...

This dynamic client is helping push the frontier of LLMs and AI Agents through novel datasets and experimentation. We work on building the most complex infrastructure that powers frontier data creation for agentic and hard reasoning workflows. We work with all 5 of the leading AI labs and are becomi...

Founding Senior Software Engineer (SF In-Person Preferred) PostedWe are hot Tech Startup building the AI-native intelligence layer for physical operations starting with trucking carriers. We are a team of ex-Samsara engineers and fleet operators automating the highest-volume back-office workflows (l...

Full-stack Engineer (Startup) San Francisco CA 180k-230k per annum Full Time (no sponsorship available) Visas transfer Welcome NO C2C About the Role As a Founding Product Engineer youll work on the surfaces that customers (founders GTM leaders and sales engineers) live in every day. This includes t...

Staff AI Frontend Engineer - San Francisco CA - $250K-$315K Location: San Francisco CA Work Arrangement: Onsite Overview: Were seeking a Staff AI Frontend Engineer to help build the next generation of AI-powered user experiences. This role sits at the intersection of frontend engineering product des...

Fin is the AI Customer Agent company on a mission to help businesses provide perfect customer experiences.Our AI Agent Fin is the highest-performing AI Customer Agent on the market today enabling businesses to deliver impeccable always-on customer support across the customer journey from service to...

About Pallet Pallet is building AI Agents to transform logistics a $12 trillion global industry. Weve raised $50M from top investors including General Catalyst Bessemer Venture Partners and Bain Capital under two years weve achieved 700% revenue growth and are just getting started.Our mission is t...

About Pallet Pallet is building AI Agents to transform logistics a $12 trillion global industry. Weve raised $50M from top investors including General Catalyst Bessemer Venture Partners and Bain Capital under two years weve achieved 700% revenue growth and are just getting started.Our mission is t...

We are a hot Tech Startup building the AI-native intelligence layer for physical operations disrupting a $1T market. We are backed by top-tier investors and a team of ex-Samsara engineers and fleet operators automating the highest-volume back-office workflows with agentic AI. Our product is deployed...

FoundingProduct Engineer San Francisco CA 180k-230k per annum Full Time (no sponsorship available) Visas transfer Welcome NO C2C About the Role As a Founding Product Engineer youll work on the surfaces that customers (founders GTM leaders and sales engineers) live in every day. This includes the se...

About this role101 2nd St San Francisco CA 94105What were looking for:We are seeking a Senior Software Engineer with 6-10 years of experience in building and maintaining core infrastructure for a rapidly growing tech company. You should be comfortable architecting and developing shared infrastructur...

Senior Founding Engineer San Francisco CA Avg $200K$250K Role Overview A rapidly scaling AI technology company is seeking a Senior Founding Engineer to help architect and scale the infrastructure powering conversational AI evaluation observability and simulation systems handling millions of calls...

Youll be engineer #4 on the founding team working directly with our CTO and the other founding engineers. Youll ship features to production daily and own entire product areas from concept to deployment. Were building fully agentic systems that automate complex workflows. Its technically challenging...

What youll do:Build core product and platform systems across both our API/integrations stack and our computer-use platform for enterprise workflow automation. Youll work on backend architecture product infrastructure reliability data flows and systems that are the foundation for AI-powered agents op...

Founding Engineer Posted by Transparent Search Group on behalf of Foresight Health. About Foresight Health AI for early Alzheimers diagnosis through voice. Website: The role At Foresight Health were building an AI-native healthcare provider to eliminate suffering from preventable conditions.We beli...

Senior Frontend Developer Frontend Engineering San Francisco In-Person About the Company We are representing a fast-moving early-stage technology company building a sophisticated product with complex workflows and a strong emphasis on user experience. The company is looking for a frontend engineer...

SENIOR FOUNDING ENGINEER Overview We now handle millions of calls per month and need an engineer who has worked at that scale before and knows how to build systems that dont break under it. This is an architecture-heavy full-stack role not just backend. You will own everything from database optimiza...

Client-backed startup building the next generation of productivity tools what Claude Code did for engineers were doing for every knowledge worker. We have paying users and are looking for a world-class Design Engineer to own our product experience from day one.THE ROLEAs our Founding Design Enginee...

SENIOR BACKEND ENGINEER Overview We are seeking a Senior Backend Engineer to own the core data infrastructure powering an AI-driven logistics platform. This is a high-ownership zero-to-one role where youll design and scale the systems that ingest process and serve real-time logistics data across AI...

Role: Founding Backend Engineer Location: San Francisco California Our client a fast-growing AI B2B education startup is hiring a Founding Backend Engineer to own and lead the core systems that make their AI assistant work. This is a high-ownership high-autonomy role at a company with real payin...