Fullstack Engineer

Founding Fullstack Engineer (Frontend-Focused)

San Francisco | Full-Time | On-Site

We're looking for a founding engineer to shape the very first version of a next-generation social marketplace for AI products. You'll have the chance to architect and own the core experience-how users discover, test, and evaluate AI tools-while working side-by-side with the founding team.

What You'll Do

• Design and deliver a polished, scalable frontend experience used daily by developers, PMs, and executives in the AI space.
• Architect and implement interactive testing environments where AI products can be compared in real time.
• Blend social and marketplace elements into a seamless, engaging product experience.
• Establish the design system that will serve as the foundation for scaling to hundreds of thousands of future AI products.
• Collaborate closely with product and leadership to translate loose ideas into high-quality, production-ready features.

What We're Looking For

Why This Role Matters

This is not just about building features-it's about defining the core experience of a new category . You'll have deep influence on technical decisions, product direction, and user experience, while working on challenges like :

If you're excited to build something from the ground up, own the frontend vision, and see your work shape the way people adopt and trust AI products, this is your chance.

Apply for this position