Founding Engineer

Role: Founding EngineerLocation: San Francisco, CA (On-site, 5.5 days per week)Compensation: $160K – $260K + 0.5% – 1.5% equityVisa: Possible for exceptional candidates

Company

A very early-stage AI startup (founded 2024) focused on building advanced, AI-powered voice agents for enterprises. Their technology already handles millions of calls across sales, logistics, and customer support for well-known brands. Backed by Y Combinator and high-profile investors, they’ve raised $2.7M and are scaling rapidly with a small but strong founding team of 3.

Role Overview

As a founding engineer, you’ll have direct ownership over product architecture, technical direction, and customer-facing solutions. You’ll work hands-on with LLMs and voice systems, building scalable infrastructure and crafting conversational AI products that enterprises rely on. Expect high autonomy, close collaboration with leadership, and an outsized role in shaping both product and strategy.

Tech Environment

• Languages/Frameworks: TypeScript, React, Python, Ruby on Rails

• Database: PostgreSQL

• Cloud: AWS

• Focus Areas: Voice AI, LLM integration, scalable systems

Culture & Workstyle

• In-person work in SF (lean, high-output environment)

• Typical weekday schedule: 9 AM – 7 PM

• Additional Sunday collaboration hours: 11 AM – 5 PM

• Fast-moving, customer-driven, small team dynamics

Benefits

• Competitive salary + meaningful equity (employee-friendly terms)

• Health, dental, and vision insurance

• Regular team events and offsites

Fast Facts

• Founded: 2024

• Funding: $2.7M

• Team Size: 3

• Industry: AI, Voice Technology

• Stage: Post-YC, early growth with paying enterprise customers