Founding AI Engineer - Build from Day One
Recruits Lab
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 4+ years of software engineering experience and strong web technology skills. Join us for the opportunity to deploy and scale AI-powered applications while enjoying high ownership and autonomy. #J-18808-Ljbffr
- A stealth AI startup in San Francisco seeks a Founding AI Engineer to develop agentic AI systems that revolutionize chip verification... ...should have strong experience in building AI systems, particularly with... .... This is a true zero to one opportunity with competitive compensation...Suggested
$180k - $250k
...Founding AI Engineer (Agentic AI + Reinforcement Learning) Stealth AI Startup... ...working with a stealth AI startup building agentic AI systems that... ...chip verification can take days and multiple engineers digging... ...of agentic AI applied to one of the most complex engineering...SuggestedH1bImmediate start- ...Founding AI Engineer Weave (YC W25) is building the definitive platform for understanding and improving how engineering teams work. We believe the way... ...collaborative team. You will have real ownership from day one. Must Haves You are a good fit for Weave if you...Suggested
$150k - $185k
...Early-career founding AI role for a recent graduate or engineer with roughly two years of experience... ...Full-time Matterhaul is building the AI-native operating system... ..., in-office four days a week, and we spend real... ...years. What you'll own Year one, concretely: Agent surfaces...SuggestedFull timeInternshipWork at office- Vote is looking for a Founding AI Engineer in San Francisco to help design a revolutionary attention signal detection system. The role involves... ...with experience in systems-level thinking, and is ready to build innovative solutions that don't yet exist. You will play a...SuggestedRemote job
- ...A dynamic AI recruitment service is seeking a Founding Engineer in San Francisco to build AI agents that revolutionize workflows for food manufacturers. The role offers a unique opportunity to work directly with industry leaders and earn 0.5%–2% equity. Ideal candidates...
- 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
- A cutting-edge recruiting tech company in San Francisco is seeking a Founding Engineer to own and build core systems in a fast-paced environment. You will ship full-stack code to production daily and collaborate with founders on architecture decisions. The ideal candidate...Relocation
- Jack & Jill is seeking a Founding AI/ML Engineer in San Francisco. The role involves building Generative Engine Optimization systems for AI search. Ideal candidates have strong NLP fundamentals and experience in production ML systems. You'll collaborate with world-class...
$150k - $300k
...A leading venture capital firm is hiring an AI Engineering Lead in San Francisco. This unique role involves building internal tools and shaping AI strategy to improve effectiveness. The ideal candidate will be a product-minded engineer, proficient in designing and deploying...- ...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...Flexible hours
$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...Visa sponsorship$230k - $300k
...talent firm dedicated to helping companies build exceptional teams. We partner closely... ...and candidates. Title of Role: Founding AI Engineer (Agentic Systems / Full-Stack)... ...M raised) Office Type: Hybrid (3-4 days/week in office) Salary: $230,000 -...Work at officeImmediate start3 days per week$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... ...within months of founding. The team is building an agentic AI platform that replaces...RelocationFlexible 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... ...platform verticals end-to-end, building agentic recipes that help companies...
$120k - $200k
Founding AI Engineer San Francisco | Engineering | In office | Full-time Mason AI has cracked a research... ...blueprints for compliance with the building codes. The challenge is that over a... ...outside) of work. Paid work trial (3‑5 days) - We’ll set you up to run evals for our...Full timeWork at office$140k - $200k
Founding Forward Deployed AI Engineer Job type: Full Time · Department: Engineering · Work type: On-Site San... ...or grind through it manually. We're building an AI platform to automate this... ...experience Strong proficiency in at least one of TypeScript, JavaScript, Python,...Full timeWork at officeImmediate start- Jack & Jill, a San Francisco-based AI construction startup, is looking for a Founding Engineer to own the AI stack for a... ...construction industry. The role involves building multi-agent systems and RAG... ...contributions to the company's success from day one. #J-18808-Ljbffr Jack & Jill
- ...A leading AI startup in San Francisco seeks an AI Engineer to join their founding team. In this role, you will develop and optimize advanced AI models that support the logistics industry, which plays a critical role in the economy. The position requires hands-on experience...
- ...palma.ai is seeking a seasoned software engineer to join its core team and build a multi-tenant control plane for AI. This role involves designing robust product features and managing deployment complexities in real-time systems. Successful candidates will have a strong...
$150k - $220k
...At Momentic, we’re building the future of quality. We’re building the all‑in‑one quality platform powered by... ...stage of the SDLC. Top engineering teams at companies like... ...executed every single day. Our product has a very... ...product We’re building the AI‑native automated...H1bRelocation- ...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...
- ...Cooper AI, located in San Francisco, is seeking a founding engineer to join their hyper-growth team aimed at revolutionizing the insurance market. In this impactful role, you will create AI agents and workflows to enable insurance professionals to work significantly faster...Full time
- kadence is seeking a Software Engineer in San Francisco to build AI-powered infrastructure for EMS agencies. This role involves full-stack development, engaging directly with users to improve workflows, and contributing to a startup at the ground floor. The ideal candidate...
$240k - $400k
PassFort is looking for a Founding Engineer in San Francisco, CA. You will lead the development of innovative products and infrastructure, influencing... ...standards. The role involves hands-on experience with AI tools, orchestrating workflows, and close collaboration with customers...- A tech startup in San Francisco is seeking a Founding Engineer to build one working AI application each week, optimizing product performance and achieving revenue milestones. The ideal candidate has over 5 years of experience in software production, with expertise in TypeScript...
$130k - $200k
This is a job that Jill, our AI Recruiter, is recruiting for on behalf of one of our customers. She will pick the... ...step is to speak to Jack. Founding AI Engineer Salary: $130,000 - $200,000 + Equity... ...innovative medical practice, building LLM-powered systems for...Immediate start$100k - $150k
...This is a job that Jill, our AI Recruiter, is recruiting for on behalf of one of our customers. She will pick... ...speak to Jack. Job Title: Founding AI Engineer - Agent Runtime Salary: $10... ...Pareto Agent - VC-backed AI startup building a policy-driven runtime for...$100k - $150k
...Most AI systems generate text. We’re building one that makes decisions . Pareto Agent is a policy-driven runtime... ...in San Francisco, the company is founded by serial entrepreneurs who have successfully... .... The Role As our Founding AI Engineer - Agent Runtime , you will own the...Summer workWork at officeFlexible hours- ...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...Work experience placementWork at officeFlexible hours
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