Founding Backend Engineer — AI Pricing & Quoting

davidjoseph-co; San Francisco (CA); On-site; USD 160,000 - 200,000; Full time

Job summary

davidjoseph-co in San Francisco, CA, is seeking a Founding Engineer to own core pricing and quoting features end-to-end within a backend-leaning full-stack role.

You will ship the product customers rely on, build AI-powered agents, and help shape early product decisions in a small, fast-moving startup with strong investor backing.

This on-site role offers competitive base pay, equity, and visa sponsorship, with upfront ownership of critical platform components.

Qualifications

• 4–8 years of full-stack software engineering experience.
• Own features end-to-end within a small engineering team.
• Strong backend engineering skills in TypeScript or Python.
• Experience building products at a venture-backed startup.
• Ownership mentality; able to drive projects without direction.

Responsibilities

• Build and ship core backend features for the pricing and quoting platform.
• Develop AI-powered agents launching in the near term.
• Own product features end-to-end, from design through implementation.
• Contribute to product decisions and understanding the reasoning behind what you build.
• Work cross-functionally in a small company, including customer onboarding support.

Skills

Full-stack development

TypeScript

Python

PostgreSQL

Ownership mindset

Startup experience

Tools

Express

React

Tailwind

LLMs

AI Agents

SQL

Job description

davidjoseph-co in San Francisco, CA, is seeking a Founding Engineer to own core pricing and quoting features end-to-end within a backend-leaning full-stack role.

You will ship the product customers rely on, build AI-powered agents, and help shape early product decisions in a small, fast-moving startup with strong investor backing.

This on-site role offers competitive base pay, equity, and visa sponsorship, with upfront ownership of critical platform components.