Founding Engineer - AI & Full-Stack

Location: San Francisco, CA (onsite)

Employment: Full-Time

Experience: 0–6 years

Compensation: $170K–$250K + Equity

Equity: 0.5%–1.5%

Openings: 3

We’re working with an early-stage AI startup building intelligent software that automates complex, high-volume customer workflows across voice, SMS, and email.

This is a true founding-level engineering opportunity for someone who wants significant ownership, moves quickly, and enjoys solving problems where there isn’t an established playbook.

You’ll work across the full stack while helping build and scale production AI agents, integrations, and workflow systems.

What You’ll Do:

As a Founding Engineer, you’ll have end-to-end ownership across product and infrastructure, including:

• Build and scale production AI agents across voice, SMS, and email
• Design systems that maintain context and consistency across multi-channel interactions
• Develop full-stack product experiences and internal tools
• Build complex API integrations and custom adapters
• Work with external systems that may have limited or inconsistent APIs
• Develop scheduling and workflow orchestration systems
• Build infrastructure for scaling LLM-powered applications
• Improve ag