1,256 founding jobs at 638 companies in United States

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Founding Recruiter
San Francisco, California, United States
$150k-$225k/yr OnsiteFull Time
Conversion
Conversion: AI-native marketing automation platform for modern B2B companies.
Recruiting for a founding recruiter to build hiring processes for a growing AI-native marketing automation startup.
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Founding Engineer
New York City, New York, United States
$130k-$200k/yr OnsiteFull Time
Ficus
Ficus: Fintech startup building payout infrastructure for life insurance.
Founding engineer with full-stack skills; ownership of product and infra; experience with backend systems, APIs, security, and regulated financial workflows.
Backend, Frontend, APIs, Databases, Cloud
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Founding Engineer
Palo Alto, California, United States
OnsiteFull Time
Miravoice
Miravoice: AI-powered voice agents for automated phone data collection.
Generalist founding software engineer with frontend/backend, distributed systems, or AI/ML focus; startup experience; strong learning and collaboration; in-person in Palo Alto.
Frontend, Backend, Distributed Systems, AI/ML, Speech Systems
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Founding Engineer
San Francisco, California, United States
OnsiteFull Time
Chasi
Chasi: AI revenue engine for construction equipment dealers.
2+ YOE2+ years production software experience; full-stack TS/React; real-time systems; experience with LLMs; customer-facing; founding-level ownership.
Next.js, TypeScript, PostgreSQL, Redis, Twilio, LiveKit, OpenAI, Anthropic, Deepgram, Vector DBs
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Founding Marketer
San Francisco, California, United States
OnsiteFull Time
Ranger
Ranger: AI-powered platform for automated software testing and QA.
Founding marketer responsible for building Ranger's growth engine, ownership of content, channels, and experiments; strong writing and technical aptitude; based in San Francisco or willing to relocate.
Playwright, CI/CD, GitHub, content tooling, SEO
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Founding Engineer
San Francisco, California, United States
$205k-$250k/yr OnsiteFull Time
Kiloforge
Kiloforge: Autonomous factory ideating and building software products.
Generalist engineer with end-to-end product focus, scrappy, able to build widely-used tools, strong product/design sense, thrives in chaos, prior founding experience.
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Founding Designer
San Francisco or New York City
$175k-$205k/yr RemoteFull Time
Centralize
Centralize: AI-powered relationship intelligence platform for enterprise sales teams.
Founding designer role; strong visual design, design systems, branding, and production familiarity; able to prototype and sometimes code designs; excellent English communication; independent contributor.
React, CSS, Claude Code
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Founding Engineer
New York City, New York, United States
OnsiteFull Time
Doji
Doji: Create a digital avatar to virtually try on clothes
Founding engineer with breadth across AI, backend, data, and product surfaces; able to ship prototypes and own key systems. Strong in at least one area and capable of rapid learning.
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Founding Software Engineer
New York, New York, United States
$150k-$200k/yr OnsiteFull Time
Avallon
Avallon: AI agents automating insurance claims operations for carriers.
4+ YOE4+ years building production software; TypeScript and SQL; high ownership; founding role; NYC-based or willing to relocate.
TypeScript, SQL
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Founding Technical Leader (CTO/Founding Engineer), Orbital
New York City, New York, United States
HybridFull Time
25 Madison
25 Madison: Incubates and invests in early-stage AI and SaaS startups.
Founding technical leader with hands-on system architecture, real-time data pipelines, and product-facing software; ability to hire and lead early engineering team.
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Founding Software Engineer
San Francisco, California, United States
$150k-$250k/yr OnsiteFull Time
Tamarind Bio
Tamarind Bio: AI-powered platform for computational biology and drug discovery.
Founding software engineer with full-stack expertise; strong AWS, Docker, CUDA, TensorFlow/PyTorch; React; onsite in SF; equity.
Python, React, AWS, Docker, CUDA, Conda, TensorFlow, PyTorch, Slurm, Bash, APIs, Web apps
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Founding Product Manager
New York City or United States
HybridFull Time
Sailor Health
Sailor Health: Virtual psychotherapy platform specialized in mental health for seniors.
2+ YOEFounding Product Manager with 2+ years of product experience; lead end-to-end product development; build AI coaches and care agents for healthcare.
React, Typescript, Node.js, AI tools
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Founding Product Designer
New York City, New York, United States
$100k-$200k/yr OnsiteFull Time
Alpaca Health
Alpaca Health: Enabling clinicians to launch and scale independent autism care clinics.
Founding product designer; 0→1 product development; strong UX for consumer and provider-facing experiences; in NYC or open to relocation; 5 days in office; experience with AI tools.
AI tools, prototyping tools
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Founding Head of Marketing
Cupertino, California, United States
OnsiteFull Time
Hiring.Cafe
Hiring.Cafe: An AI-powered job search engine and aggregator.
Founding head of marketing with strong social media, growth mindset, technical fluency, and startup hustle; willing to commit 50+ hours/week in Cupertino.
Social media, Analytics tools
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Founding Head of Marketing
United States
RemoteFull Time
PurpleBinder
PurpleBinder: AI-powered compliance document governance platform for businesses.
Seeking a founding marketing leader to own GTM strategy, channels, and revenue generation; equity-only compensation; experience in B2B SaaS or compliance tech preferred.
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Founding Research Scientist, Human Simulation
San Francisco, California, United States
OnsiteFull Time
Listen Labs
Listen Labs: Automates customer research interviews through generative AI platforms.
Strong research track record in AI, LLMs, post-training, RLHF, behavioral modeling, or simulation. Founding role; ability to define problems, scope programs, and communicate clearly.
Machine Learning, Natural Language Processing, RLHF, Evaluation, Simulation
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Founding HR
Mountain View, California, United States
HybridFull Time
Lightwheel
Lightwheel: Physical AI infrastructure and simulation platform for robotics.
3+ YOE3–5 years in HR/People Ops/Talent; startup or high-growth experience; ownership mindset; knowledge of US employment regulations; strong communication and organizational skills.
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Founding CSM
San Francisco, California, United States
$188k-$225k/yr OnsiteFull Time
Sphere
Sphere: AI-powered global tax compliance and automated filing software.
Proven experience building CS processes, teams, and playbooks; early-stage startup experience; comfortable navigating admin tools, reading API docs, and data validation.
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Founding Designer
San Francisco, California, United States
OnsiteFull Time
Runbook
Runbook: Building an AI operations platform for the physical economy.
3+ YOE3+ years in product design; track record delivering large, ambiguous projects; strong product instincts; seeks ownership on an early team.
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Founding Engineer
San Francisco, California, United States
$100k-$150k/yr OnsiteFull Time
Cascade
Cascade: AI-powered bidding and project management for construction and infrastructure.
Experience with LLMs; ownership of full stack; in-person in SF; US work authorization.