Founding Engineer

Location : San Francisco, CA (In-Person)

Salary : $K - $K + 0.50% - 1.50% Equity

About the Opportunity

An early-stage startup is building the only platform for self-improving voice AI agents. After closing a $4.5M seed round, the company has experienced rapid growth, doubling in size within just eight weeks. They are now looking for a Founding Full Stack Engineer to take ownership of core features and play a key role in shaping both the product and company culture.

The Role

As a Founding Full Stack Engineer, you will :

Own and deliver entire features and projects end-to-end.

Ship optimizations and refactors to improve system performance.

Engage directly with customers to understand their needs.

Build intuitive and delightful user experiences.

Work within real-time, low-latency constraints to develop high-performance applications.

What We're Looking For

The ideal candidate should have :

Experience with TypeScript + Next.js or a similar frontend framework.

Experience with Python and modern async patterns.

Strong communication skills and the ability to clearly articulate technical ideas.

A startup mindset-willing to take ownership, iterate quickly, and adapt to uncertainty.

A founder's mentality-new ideas come naturally, and you take initiative to bring them to life.

Qualifications

Previous experience as a Founding Engineer, Senior Engineer, Staff Engineer, or Principal Engineer.

1+ years of experience working at a company with fewer than employees.

Ability to thrive in a fast-moving, in-person startup environment.

Why Join?

High Impact Role : Shape the future of AI-driven voice agents.

Fast Growth : Be part of a team that's rapidly scaling and innovating.

Equity & Ownership : Significant equity in an early-stage, high-potential startup.

Collaborative Culture : Join a tight-knit team where your ideas and contributions will directly influence the product and company trajectory.

Diversity & Inclusion

We encourage applicants from all backgrounds and experiences, including underrepresented groups in tech, women, non-binary professionals, career changers, and those returning to the workforce.

If you're an ambitious full-stack engineer excited about building cutting-edge AI applications, we'd love to hear from you! Apply today to be part of something groundbreaking.