Founding Jobs

Lead GTM operations for SimConverse's founding US team by building CRM systems, automations, and AI-enabled workflows to accelerate pipeline and scale revenue.

Early-stage role working directly with the founder to shape product priorities, design UX, and use AI-driven prototyping to accelerate development at candidate.fyi.

Lead architecture and development of a new AI-driven B2B SaaS platform for a pre-Series A startup focused on automating complex manufacturing workflows.

Lead ML engineering as the Founding AI/ML Lead to build and ship the core generative AI systems powering an autonomous product-design agent at an early-stage startup.

Shape and lead the ML architecture at a seed-stage startup building agent-driven tooling to transform semiconductor design and deploy production-grade systems from day one.

Build and ship agentic workflows and user-facing products on Kumo's Relational Foundation Model, working cross-functionally and engaging directly with customers to iterate and drive adoption.

Sift is hiring a Founding Security Engineer to define and implement the company’s security architecture, controls, and compliance program across cloud and on-prem environments.

Lead finance and operations at a fast-growing, venture-backed SaaS company in San Francisco, owning financial planning, investor relations, operational systems, and cross-functional execution.

Lead aion’s go-to-market motion as the founding GTM Lead to drive adoption, build partnerships, and scale revenue for a decentralized AI cloud platform.

Domu.ai is hiring a Founding Senior Engineer in San Francisco to own product-level decisions, ship daily, and help scale their voice-AI platform for enterprise customers.

Help scale Probook’s field operations as the Founding Strategy Operations Associate, leading on-site deployments, owning account outcomes, and shaping product improvements at the intersection of blue-collar work and Gen AI.

Founding People Operations Lead to design and scale Rillet’s HR infrastructure, compensation and people programs at a high-velocity, remote-first accounting-tech startup.

Lead sales as the founding Account Executive to land and expand multi-site primary care and FQHC customers for an AI platform that identifies BHI reimbursement opportunities.

Lead the technical vision as Founding Head of Engineering at Equal Teaching, building an AI-native platform to transform teacher hiring, retention, and credential verification.

Lead the design and implementation of scalable RL recipes and environment tooling at an early-stage company providing post-training data and RL infrastructure to foundation model labs.

Solve core technical challenges as the Founding AI Engineer at a seed-stage AI company reinventing wealth management from the ground up.

Lead Pathwork’s marketing as the founding Head of Marketing to shape brand, drive pipeline, and build a high-performing marketing team at an early-stage insurtech based in the Presidio, San Francisco.

Serve as a founding Strategy & Operations leader at a high-growth YC-backed AI data company, owning strategic projects from customer contracts to product roadmaps.

Customer-Centric

Mission Driven

Rise from Within

Fast-Paced

Collaboration over Competition

Startup Mindset

Dare to be Different

Work/Life Harmony

Maternity Leave

Paternity Leave

Family Medical Leave

Family Coverage (Insurance)

Medical Insurance

Dental Insurance

Vision Insurance

Mental Health Resources

Life insurance

Disability Insurance

Health Savings Account (HSA)

Flexible Spending Account (FSA)

Lead HTS’s enterprise GTM for conversational AI, owning outbound to close, pilot-to-production conversions, and multi-million-dollar contracts with major travel brands.

Principal Founding Full Stack Software Engineer needed to lead full-stack development and architecture for Voker’s LLM-focused developer platform in-office in Woodland Hills, Los Angeles.

Lead development of LLM-driven systems at a mission-driven healthcare startup, focusing on prompt engineering, model optimization, and scalable AI product delivery.

Lead Cartesia’s early enterprise sales efforts as the Founding Account Executive, closing strategic deals, building scalable GTM processes, and collaborating closely with founders and product teams.

Build and shape an AI-first product for small businesses as the founding full-stack engineer, owning frontend, backend, and integrations at an early-stage NYC startup.

Help build and scale Termblocks' agentic AI platform for capital markets as a Founding Backend Engineer focused on backend architecture, production systems, and LLM integrations in Midtown Manhattan.

Lightfield is hiring a founding Technical Recruiter to build and run full‑cycle hiring for senior ML, infrastructure, and product engineers at a seed-stage CRM startup.

Help build and scale Termblocks' agentic AI platform for U.S. capital markets as a Founding AI Engineer, owning features from design to production and experimenting with cutting-edge models.

Help build and scale autonomous AI digital workers as a Senior Full-Stack Engineer on a fast-moving, well-funded startup team based in San Francisco.

Be a founding senior engineer at an early-stage fintech startup building agentic AI for capital markets, owning features from design to production and driving model-led product innovation.

Founding Fullstack Engineer (frontend-focused) needed to design and build the core UX and scalable frontend for a next-generation social marketplace for AI products in San Francisco.

Termblocks is hiring a Founding Senior Backend Engineer to build and scale agentic AI infrastructure for the U.S. Capital Markets at an early-stage, VC-backed startup in Midtown Manhattan.

Lead GTM strategy and build the sales engine for Prime Intellect’s decentralized AI compute marketplace, driving enterprise partnerships and revenue growth.

Lead backend architecture and implementation for an early-stage NYC startup as the Founding Senior Backend Engineer, owning core systems and guiding technical direction.

Lead content and demand generation at Central as a scrappy, writer-first marketing generalist who builds channels, creates viral content, and drives measurable growth.

Founding Senior Engineer needed to design and own the scalable backend and database for a high-growth AI startup transforming insurance claims.

Help shape the core product and architecture at Granted as a founding full-stack engineer, building end-to-end TypeScript features and solving AI-driven problems in healthcare.

Build scalable full‑stack solutions and AI/LLM integrations at StudyFetch, working in-person with the founding team to impact millions of learners.

Help shape Granted’s core consumer product as a founding product engineer, building delightful, reliable experiences with a TypeScript-first stack and AI-enabled workflows.

Be a founding AI Engineer at a fast-moving Berkeley startup, building agentic matchmaking, chat agents, and internal AI tooling that power scalable, production-grade experiences.

Help build Ditto's AI-first social networking platform as a founding engineer, owning customer-facing features and internal tools while collaborating with product and research teams.

As a founding full-stack engineer at an 8VC-backed startup, you will design and build core APIs, data pipelines, web UIs, and deployment systems while shaping the technical direction and early engineering culture.

Lead product strategy and execution as the Founding Product Manager at a fast-growing EHR/eye-care SaaS startup, partnering directly with clinicians and cross-functional teams to build high-impact features.

Join a seed-stage AI-first startup as a founding engineer to build and ship the core models, retrieval systems, and agent flows that make Anything intelligent.

Lead the frontend at Anything as the founding Design Engineer, shaping AI agent UX and delivering high-quality, performant product experiences used by millions.

Lead the architecture and operation of Anything's core infra—building scalable, secure, and observable platform systems that let our AI agent deploy, monitor, and self‑repair apps at massive scale.

Effective AI seeks a founding software engineer in San Francisco to architect and build agentic AI systems that automate underwriting and claims workflows for the insurance industry.

Founding Engineer at a Series A AI startup in NYC to lead end-to-end product development and deliver GenAI-driven dispatching and forecasting features.

Lead development of the core AI agent layer and mobile-deployable vision models for a rapidly scaling golf-tech startup based in Irvine, CA.

Quanta is hiring a Founding Brand Marketer in San Francisco to build the company’s brand, messaging, and multi-channel campaigns from day one.

Join Momentic’s core engineering team to build and ship an AI-first automated testing platform, taking broad ownership across frontend, backend, and infrastructure.

Be the first AE at Momentic, driving technical sales of an AI-first test automation platform to engineering teams from discovery through POC and close.