Founding AI Engineer for Zero-to-One Platform
$240k - $400kPassFort
PassFort is looking for a Founding Engineer in San Francisco, CA. You will lead the development of innovative products and infrastructure, influencing company culture and engineering standards. The role involves hands-on experience with AI tools, orchestrating workflows, and close collaboration with customers. Offering a total compensation package between $240,000 and $400,000, including a base salary of $160,000 to $250,000 plus equity. Join us to make meaningful contributions with minimal bureaucracy. #J-18808-Ljbffr PassFort
$180k - $250k
...Founding AI Engineer (Agentic AI + Reinforcement Learning) Stealth AI Startup... ...those workflows to minutes. The platform captures how the best... ...frontier of agentic AI applied to one of the most complex... ...messy, ambitious systems from zero to one Location San Francisco...PlatformH1bImmediate start$160k - $220k
A leading AI company in San Francisco is seeking an experienced Founding Engineer to build core systems from the ground up. This hybrid role emphasizes real ownership and long-term impact within a cutting-edge team dedicated to innovative, autonomous software. The position...PlatformVisa sponsorship- ...enterprise systems blocking AI adoption. It is humanly... ...we are building the AI platform to modernize these... ...Fortune 500 companies. Founded by veterans from Lovable... ...fast. We went from zero to paying customers in... ...will do As a Founding AI Engineer, you will have outsized...Platform
$150k - $185k
...Early-career founding AI role for a recent graduate or engineer with roughly two years of experience who has already shipped... ...: a purpose-built, AI-native platform that doesn't just automate what ERPs... ...2–3 years. What you'll own Year one, concretely: Agent surfaces — Pick...PlatformFull timeInternshipWork at office$180k - $280k
...Founding AI Engineer $180,000 - $280,000 + 1-2% Equity + 401(k) + Benefits + Flexible PTO San... ...focus on agentic systems, looking to join one of the strongest YC start-ups of recent... .... The team is building an agentic AI platform that replaces deeply entrenched manual...PlatformRelocationFlexible hours- ...This is a job that Jill, our AI Recruiter, is recruiting for on behalf of one of our customers. She will pick... ...Jack. Job Title: AI-Native Founding Engineer Company Description: Fancysauce... ...Apple alumni. You will own core platform verticals end-to-end, building...Platform
- ...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... ...team. You will have real ownership from day one. Must Haves You are a good fit for Weave...Platform
$100k - $150k
Most AI systems generate text. We’re building one that makes decisions . Pareto Agent is a policy... ..., the company is founded by serial entrepreneurs... ...As our Founding Software Engineer — Studio , you will own... ...dashboards, consuming upstream platform events and optimizing...PlatformSummer workWork at officeFlexible hours$140k - $200k
Founding Forward Deployed AI Engineer Job type: Full Time · Department: Engineering · Work type: On-Site San... ...it manually. We're building an AI platform to automate this insurance drudgery.... ...experience Strong proficiency in at least one of TypeScript, JavaScript, Python,...PlatformFull timeWork at officeImmediate start- ...At Falconer, we’re transforming how engineers create, access, and share knowledge. We’re looking for a Founding AI Engineer to help us build an AI-powered knowledge platform that companies love. As a founding engineer, you won’t just help shape our product development...PlatformWork experience placementWork at officeFlexible hours
- ...Recruits Lab in San Francisco is seeking a Founding Engineer to build category-defining AI products. As a key member of the early team, you will work directly with founders, influencing product direction and shaping technical foundations from the ground up. This role requires...
- Jack & Jill, a San Francisco-based AI construction startup, is looking for a Founding Engineer to own the AI stack for a platform that automates the pre-construction industry. The... ...significant contributions to the company's success from day one. #J-18808-Ljbffr Jack & JillPlatform
- A stealth AI startup in San Francisco seeks a Founding AI Engineer to develop agentic AI systems that revolutionize chip verification workflows. You'll implement... ...science or electrical engineering. This is a true zero to one opportunity with competitive compensation...
$120k - $170k
...Alldus International Consulting Ltd is hiring a Founding Engineer in San Francisco to join an AI startup in the eCommerce industry. The successful candidate will take ownership of the product, focusing on system architecture, customer deployments, and rapid iteration...Platform- ...A technology startup in San Francisco is seeking a Founding AI Engineer to develop an AI-powered knowledge platform. You will participate in product development from architecture to deployment, optimize systems, and implement backend services. Candidates should have an...PlatformFlexible hours
$180k - $220k
...Who we are: Cooper AI is building AI for commercial insurance, taking the manual... ...industry. About the role: We’re hiring the Founding Engineering team for a new hyper‑growth AI business... ...comfortable in different languages and platforms. Hands‑on with modern AI stacks (LLMs,...PlatformFull timeWork experience placementLocal areaWork from home- ..., we’re training foundational AI models that create building code... ...for disruption by AI-first platforms. If you’re interested in joining... ...models, geometric and physics engines from scratch to transform how... ...or spatial data using AI. As a Founding AI Engineer for Scan-to-BIM on...PlatformVisa sponsorship
- ...United States Digital Space LLC is looking for a Founding Engineer to develop and manage a multi-agent AI system that replicates executive voice. This role involves full AI stack development, agent orchestration, and customer-facing features. Candidates should have at...Platform
$200k - $250k
...A fast-growing AI company in San Francisco seeks a Founding Engineer to architect and build core systems that power precision outbound for startups. Ideal candidates have 1-6 years of experience, strong full-stack expertise especially in TypeScript, React, Next.js, and...Platform- Pear VC is seeking a founding engineer in San Francisco to architect an AI-native compliance platform for financial institutions. The ideal candidate has 1+ years of startup experience with strong TypeScript and Python skills, and hands-on experience in deploying AI solutions...Platform
- ...AI Engineer Location: San Francisco Company: Thorin Stage: Seed... ...quickly and thoughtfully in a zero-to-one environment What You Bring... ...with a small, highly driven founding team, design partners, and... ...the strongest early-stage venture platforms in the industry...Platform
$230k - $300k
...success for both clients and candidates. Title of Role: Founding AI Engineer (Agentic Systems / Full-Stack) Location: San Francisco,... ...-end. Unlike traditional AI tools that assist users, their platform is designed to replace operational work by orchestrating...PlatformWork at officeImmediate start3 days per week$150k - $220k
...of quality. We’re building the all‑in‑one quality platform powered by state of the art agents to help... ...quality at each stage of the SDLC. Top engineering teams at companies like Notion, Bilt,... ...stack. The product We’re building the AI‑native automated testing platform Our product...PlatformH1bRelocation- ...building a reasoning engine that must navigate... ...intelligence platform doesn't just call APIs... ...looking for a Lead AI Engineer who can own... ...directly with the founding team and across product... ...walk into on day one — and you'll be the... ...full ownership and zero bureaucracy. What matters...PlatformShift work
- ...rebuilding biotech for the AI era. When a... ...is the AI platform for biotech R&D. Scientists... ...Intelligence Engineering & Enablement, a small... ...matures. As the founding engineer for this team... ...from day one: Build for multi-tenant... ...record of going from zero to one: a platform,...PlatformWork at officeLocal areaFlexible hours3 days per week
- .... You're building the platform that makes that happen... ...About the role This is a founding engineering role. You'll own... ...pipelines that power Navi's AI, the interfaces... ...expertise in at least one core area (backend systems... ...built something from zero — a product, a startup...PlatformLive in
$200k
...Role Meridian is AngelList’s wealth platform for private markets. Meridian is... ...market investing. As a Senior Software Engineer on Meridian, you’ll own the... ...through launch and iteration. This is a founding engineer role on a zero‑to‑one product with meaningful distribution...PlatformWork at office2 days per week- ...pioneering enterprise AI for the Fortune 500. Founded by Sanjay Jeyakumar,... ...Abe — an AI Business Engineer that deploys into operations... ..., audit trails, and zero data leakage into... ...AI from week one. AI Engineer Be 1Sphere... ...patterns the entire platform uses. Design for latency...Platform
- About the team We’re building the AI-native compliance platform for community banks and financial institutions... ...auditable answer. Our team includes engineers and researchers from Stanford,... ...of the role This is a true founding engineer role . You won’t just ship...Platform
- Kastle, based in San Francisco, is searching for a Founding Applied AI Engineer to shape its AI platform for consumer lending. You will integrate AI models, optimize performance, and ensure compliance with regulations. Your efforts will directly impact top mortgage lenders...PlatformRelocation
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Founding AI Engineer for Zero-to-One Platform. Be the first to apply!
- ai research engineer San Francisco, CA
- ai developer San Francisco, CA
- ai prompt engineer San Francisco, CA
- ai engineer San Francisco, CA
- senior ai engineer San Francisco, CA
- ai ml engineer San Francisco, CA
- ai engineer remote San Francisco, CA
- machine learning ai engineer San Francisco, CA
- director of digital platform San Francisco, CA
- digital platform specialist San Francisco, CA


