Founding AI Engineer in SF
Eth Juniors
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Join a fast -growing technology startup building intelligent systems that optimize workflows, improve efficiency and implement AI for operations in industrial environments. Already creating measurable impact for customers, the company is transforming how operational businesses run through next -generation software. You will join a small, high -performing team of exceptional builders and work directly with leadership on product execution, customer implementations, and international scaling.
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- ...Founding AI Engineer We founded Bild AI to tackle the mess that is blueprint reading, cost estimation, and permit applications in construction... ...hour coding technical #3-5 day paid work trial Logistics ~ SF-based or willing to relocate, fulltime in-office...SuggestedFull timeWork at officeRelocation
$160k - $200k
...the Company A seed-stage company (founded 2025) on the frontier of agentic AI for the built world, building the technical... ...very few places in tech where an engineer can work directly on housing, and... ...weekend availability, in person in SF every day, in exchange for a large...SuggestedFull timeVisa sponsorshipWeekend work$120k - $180k
...Description Job Description About the Role This is a founding engineering role at a seed-stage AI startup building the intelligence layer for the... ...based in San Francisco, CA. Candidates must be based in SF or willing to relocate. US work authorization is required...SuggestedFull timeWork at officeRelocation- ...technology that works for them, not against them. Revic is an AI-native sales acceleration engine built to uplift sales professionals. We handle the... ...GTM signal into company-wide execution. As Revic’s Founding GTM AI Engineer, you will work directly with Revic’s CEO...SuggestedRemote jobFull time
- ...We're a team of ex-Google engineers who built some of the largest defensive platforms on the... ...challenge: stopping the new wave of adversarial AI attacks already hitting organizations... ...+ years of combined AI experience on the founding team, we know today's landscape changes...SuggestedFull timeFlexible hours
- ...Who we are: Cooper is an AI coworker for the insurance industry. Getting a business insured involves mountains of paperwork... ...global insurance industry. About the role: We're hiring the Founding Engineering team for a new hyper-growth AI business unit. You’ll build AI...Full time
- ...For phase 1, we're training foundational AI models that create building code-compliant... ...models, geometric and physics engines from scratch to transform how the world designs... ...from raw 2D or spatial data using AI. As a Founding AI Engineer for Scan-to-BIM on our core AI...Full timeVisa sponsorship
$225k - $255k
...About the Role This is a founding-level AI engineering role at an early-stage B2B SaaS pricing intelligence startup based in San Francisco. You'll be one of the first engineers on a small, product-focused team - joining at a formative moment to shape the technical...Relocation$150k - $200k
...turning intent into action by giving AI agents a dependable way to... ...a web built for agents. It was founded by experienced payments operators paired with a founding engineer from a major search team, and... ...generative thinker ~ On-site in SF (North Beach), 5 days a week...Full timeH1bVisa sponsorship- ...Join SignalFire’s Talent Network for Founding AI Engineer Roles at VC-Backed Startups This is not an application for a specific job. Instead, this is a way to get on the radar of VC-backed startups that are actively hiring AI/ML talent. If you have any questions, please...Full time
- ...About Kastle Kastle is building AI operating system for consumer lending, starting with mortgage. We work with some of... ...are redefining lending with AI. About the Role As a Founding Applied AI Engineer, you'll be instrumental in building the technical foundation...Full timeLive inRelocation package
$120k - $200k
...120,000 - $200,000 + 0.5‑2% Equity + Flexible PTO Are you an AI engineer who wants to build and own the core agentic systems powering an... ...intelligence, whilst benefiting from full autonomy and founding‑level equity? This is a rare opportunity to join a YC‑backed,...Full timeImmediate startFlexible hours$120k - $180k
...Job Description Job Description About the Role This is a founding AI engineering role at a seed-stage construction technology company building an intelligence layer that transforms messy blueprints, permits, and construction documents into actionable insights — making...Full timeWork at officeRemote workRelocation- At Middleware — one of the fastest-growing AI observability platforms — we're looking for a talented and experienced AI/ML founding engineer to join our team. You'll play a key role in building AI on our observability platform to detect and fix issues automatically. In...
$160k - $200k
...Our client is a seed-stage startup building agentic AI for the built world: multimodal agents that review... ...— one of the very few places in tech where an engineer works directly on the housing crisis. This is a founding-engineer seat on a tiny, high-ownership team. Founded...Full timeWork at officeVisa sponsorshipRelocation packageWeekend work$150k - $200k
...About the Role An early-stage consumer social tech startup — using AI to combat loneliness among Gen Z by organizing real-world small-group hangouts every Saturday — is looking for a Founding AI Engineer to join their core team in San Francisco. This is a high-impact,...Full timeRemote work$120k - $180k
...Job Description Job Description About the Role This is a founding engineering role at a seed-stage construction AI company building the intelligence layer that transforms messy blueprints, permits, and construction documents into actionable insights — making building...Full timeWork at officeRemote workRelocation- AI Engineer Location: SF/ NYC/ Hybrid Type: Full-Time | Founding Team Opportunity About Navigate AI Navigate is building frontier AI technology for the field workforce—starting with construction. We've partnered with some of the biggest infrastructure companies...Full timeLive inRemote work
- ...work gets done. Our agentic AI platform brings "AI employees" into... ...product, and we're looking for engineers to help us reach $XXM ARR in the next 9 months. As a founding member of our team you’ll be... ...(dropout welcome) Located in SF/Toronto or willing to relocate...Full timeRelocationShift work
- ...We’re hiring an AI Engineer to build the intelligence layer for the leading AI companion for language learning. You’ll own the core AI systems powering personalized conversations for millions of users. Language learning shouldn’t feel like an app — it should feel like...Full time
- ...interact with the web by building AI agents that can reliably do... ...technical staff to join the founding team. Someone technically strong... ...Work closely with product engineers to translate cutting‑edge AI capabilities... ...stipend to bring you to SF ~ Generous health, dental,...Work at officeRelocationVisa sponsorship
- ...About Simple Simple AI is building state of the art voice AI agents for enterprise... ...crazy and looking to hire a couple founding software engineers to help us stay afloat of current customer... ...change the world, and work out of our SF based office 5 days a week. Simple...Full timeWork experience placementWork at office
- ...Bio We enable any scientist to access AI-powered drug discovery. Thousands of scientists... ...We’re hiring three exceptional Founding Software Engineers to help us scale the computational... ...expectation: Team currently onsite in SF ~5 days/week . Ideal Qualifications...Full timeRelocation
$125k - $200k
...major offenses by reducing digital evidence overload. The founding team includes engineers who have built national-scale government systems before, and... ...people (Seed) · Industry: Public safety / law-enforcement AI The Role An early engineer role building the client's...Full time$150k - $225k
...building the smart operating system for modern families. Most AI tools are designed for work life, but managing home life is... ...strengthen their communities. The Role We’re looking for an Founding AI Engineer to design, build, and scale the intelligence layer that powers...Full timeWork from homeFlexible hours- ...About Clera : Clera is a fast-growing AI start-up reimagining how top talent finds... .... We are looking for an exceptional founding engineer. You will work directly with our CTO &... ...Trigger.dev Working in hacker-house in SF: Live & build with a small founding team...Full timeVisa sponsorship
- ...ML/AI Research Engineer — Agentic AI Lab (Founding Team) Location: San Francisco Bay Area Type: Full-Time Compensation: Competitive salary + meaningful equity (founding tier) Backed by 8VC, we're building a world‑class team to tackle one of the industry’s...Full time
$165k - $190k
...affordable and simple legal services. Founded in 2008, Rocket Lawyer is the largest and... ...is seeking an experienced, passionate AI/ML software engineer for Rocket Copilot, our new AI assistant... ...Base salary range by location: SF Bay Area: $165,000 - $190,000 California...Full timeWork experience placementWorldwide- ...About Reducto Reducto helps AI teams ingest real world enterprise... ...are looking for a Backend/AI Engineer. The Opportunity As a... ...you: Have prior experience founding a company or building products... ...person role at our office in SF. We're an early stage company...Full timeWork at officeLocal area
- ...isn’t an experiment — it’s mission-critical. We’re building the AI co-pilot that will analyze flight data, interpret human performance... ...that makes pilots safer and more effective. As an AI/ML Engineer, you’ll design and deploy the machine learning systems that power...Full timeWeekend work
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