Founding Growth Hacker (Equity - Paid)

Hiring: Founding Growth Hacker (Equity Only) — Rationale Labs San Francisco Bay Area preferred. U.S. candidates only. We are building Rationale Labs — synthetic users for AI products. Rationale enables AI teams to conduct live product review sessions with synthetic users in order to identify confusion, trust breakdowns, onboarding friction, and abandonment risks prior to launch. As we prepare to raise our pre-seed round, we are seeking an exceptionally capable growth hacker to help drive distribution efforts from the earliest stages of the company. This is not a traditional marketing role. We are not seeking: brand marketers corporate marketers “growth strategists” individuals who rely on established playbooks We are looking for someone who is deeply internet-native. An individual who: understands how to capture attention is highly familiar with startup culture knows how to create organic momentum understands AI Twitter/X and LinkedIn ecosystems knows how to generate traction from the ground up thinks in terms of loops, distribution, and leverage operates with speed and initiative Strong candidates will likely have experience: growing audiences or communities creating high-performing or viral content driving startup growth with limited resources building creative distribution systems experimenting with unconventional acquisition strategies operating in fast-moving startup environments studying startups, internet culture, and product distribution deeply This role is ideal for builders who want to be directly involved in shaping early-stage growth at an AI startup from day one. If you have experience turning ideas into traction and enjoy operating in fast-moving environments with high ownership, we encourage you to apply through LinkedIn. Key responsibilities include: refining positioning increasing founder awareness building distribution loops engaging AI startups growing demos and adoption helping shape how this category is introduced to the market This is an equity-only position. There is no salary at this stage. This opportunity is best suited for someone who: seeks ownership wants to help build something significant from an early stage values meaningful responsibility wants close exposure to company building believes AI-native products are creating entirely new product challenges We are still in the early stages, but the long-term vision is substantial. Applications should include: relevant projects, products, audiences, or communities built or grown LinkedIn, X, portfolio, or relevant online profiles examples of growth, distribution, or traction generated any additional context demonstrating fit for the role Please apply directly through LinkedIn.