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- Do you want to work at the intersection of AI, product, engineering, and real -world operations? \ \ Join a fast -growing technology startup building intelligent systems that optimize workflows, improve efficiency and implement AI for operations in industrial environments...SuggestedFull timeImmediate start
- ...Founding Engineers: Build the AI That Builds AI Full-time • Founding Team • Engineering • On-site (India or US) What We're Building We're tackling one of the biggest constraints in modern artificial intelligence: AI is still built through slow, manual engineering...SuggestedFull time
- ...Founding AI Engineer / Member of Technical Staff Unlock New Career Opportunities with SA Technologies Inc. We're Hiring: Founding AI Engineer At SA Technologies Inc., we believe in turning career aspirations into reality. As a CMMI Level 5 and Great Place to Work®...
$225k - $255k
...the Role We're a small, product-focused team building an AI-powered B2B pricing platform that helps companies... ...to real-time deal guidance and discount governance. As our Founding AI Engineer , you'll own the evaluation systems, feedback loops, and LLM...Relocation$230k - $300k
...place the best people in the right roles to drive long-term success for both clients and candidates. Title of Role: Founding AI Engineer (Agentic Systems / Full-Stack) Location: San Francisco, CA Company Stage of Funding: Seed Stage (~$7.5M raised) Office...Work at officeImmediate start3 days per week- ...Founding AI Engineer Weave (YC W25) is building the definitive platform for understanding and improving how engineering teams work. We believe the way engineering output is measured today is fundamentally broken and that modern AI can give teams a far more accurate...
$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- ...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...Full timeFlexible hours
$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$120k - $200k
Our client, an AI-driven legal tech company, is hiring a Founding AI Engineer to join the team in San Francisco, CA. The successful candidate will design and deploy production-grade LLM systems for a next-generation legal technology platform, while also transforming complex...Full time- ...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
$160k - $210k
...Job Description Job Description Mason AI is on the frontier of agentic AI for the built world: we're the technical leaders... ...blueprints are buildable and safe. We’re looking for a Founding AI Engineer to improve Mason's accuracy on our evals. You will go deep on...Full timeWork at officeFlexible hoursWeekend workWeekday work$120k - $180k
...Job Description Job Description About the Role This is a founding engineering position at an early-stage construction technology startup building an AI intelligence layer that transforms messy blueprints, permits, and construction documents into actionable cost estimates...Full 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...Full timeRemote work
- 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...
$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- ...Applied AI Engineer Atlas is the concierge and credit card built for those who expect more — unlocking coveted access across dining, travel... ...value in-person collaboration and expect you to join us in our SF office (FiDi) at least three days a week. The Role We're...Work at office3 days per week
- ...a huge opportunity to transform the trillion dollar legal industry using AI, and we are building a small, elite team to do it. The role We are looking for a Founding Applied AI Engineer to work at the core of our product. You will work directly with our CTO...Contract work
- ...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
$150k - $225k
A modern technology company in San Francisco is looking for a Founding AI Engineer to design and build the intelligence layer for their innovative product. This role combines machine learning infrastructure and applied engineering to enhance user experience. Ideal candidates...- A pioneering tech company is seeking a Founding Forward Deployed Engineer to launch and manage AI systems in hotels across the U.S. This role involves real-time system deployment, debugging under pressure, and frequent travel. Ideal candidates are strong engineers comfortable...
$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$175k - $225k
...the Company Our client is an early-stage AI lab building foundation models in the... ...shapes both the product and the culture. Founded 2024 · ~5 people · Industry: AI, Consumer... ...The Role Our client is hiring a founding engineer to help build production-ready ML systems...Full timeH1bRelocationVisa sponsorship- Embedding VC is seeking a founding engineer to help build core products and systems. Work directly with the CEO and CTO as part of an experienced team. You will design AI systems, implement features, and enhance product usability. The ideal candidate has over 5 years of...Flexible hours
- ...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
- ...throughout their day. What You'll Own The quality of our AI agent is the product. You'll own the intelligence layer, this isn... ..., and how to make the whole thing feel instant. Prompt engineering and evals: Crafting, testing, and iterating on prompts across the...Full time
- ...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
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