AI Product Engineer

Harnham; San Francisco (CA); On-site; USD 220,000 - 350,000; Full time

Benefits offered by this job

Equity

Job summary

Harnham partners with a venture-backed AI startup in San Francisco to hire a Product Engineer, AI (Senior & Principal). The role is on-site, five days a week, with a compensation package of $220k-$350k plus equity.

You will build and scale core AI products from 0 to 1, collaborating with enterprise users and shipping features that deliver tangible value in daily workflows. You’ll own features across frontend and backend, ship user-focused products, troubleshoot at scale, and balance technical

Qualifications

• 6+ years of software engineering experience
• Proficiency in TypeScript (Python a plus)
• Track record of shipping user-focused products and building scalable systems
• Comfortable moving fast and getting products in front of customers quickly
• Excellent cross-functional communication and empathy for user needs
• Able to work from the San Francisco office 5 days a week (relocation considered)

Responsibilities

• Build complete features across frontend and backend, from MVP through to scale
• Work directly with enterprise users and turn their feedback into product improvements
• Troubleshoot complex issues across the stack and optimize performance and scalability
• Write clean, maintainable, well-tested code
• Take on both product and engineering responsibilities, weighing technical trade-offs against user and business goals

Skills

TypeScript

Python

6+ yrs exp

Enterprise products

Cross-functional comms

Job description

Title: Product Engineer, AI (Senior > Principal)
Location: San Francisco, CA (On-site, 5 days a week)
Compensation: $220k - $350k + Equity

We're partnered with a venture-backed, high-growth AI startup automating the manual, repetitive work that slows down professionals in a large, established industry. Its platform already saves enterprise customers thousands of hours a year, and the team is lean, experienced and scaling quickly.

This is a high-ownership role where you'll build and scale core AI products from 0 to 1 and beyond, working directly with enterprise users and shipping features that deliver value in their daily workflows. You'll act as both product thinker and engineer, balancing technical decisions with user needs and business goals.

What You'll Do

• Build complete features across frontend and backend, from MVP through to scale
• Work directly with enterprise users and turn their feedback into product improvements
• Troubleshoot complex issues across the stack and optimize performance and scalability
• Write clean, maintainable, well-tested code
• Take on both product and engineering responsibilities, weighing technical trade-offs against user and business goals

Requirements

• 6+ years of software engineering experience
• Proficiency in TypeScript (Python a plus)
• Track record of shipping user-focused products and building scalable systems
• Comfortable moving fast and getting products in front of customers quickly
• Excellent cross-functional communication and empathy for user needs
• Able to work from the San Francisco office 5 days a week (relocation considered)

If you want to own what you build and see your work land with enterprise customers fast, this is a chance to have a direct impact at an early stage.