We are looking for a founding-level Product Engineer to lead 0-to-1 development in a high-velocity environment. You will bridge the gap between engineering and user experience, building intuitive interfaces powered by advanced language models. This is a unique opportunity to shape the core product architecture and define our engineering culture from the ground up.
Product Engineer at fast-growing AI startup
Are you a product-minded engineer who thrives in the 0->1 phase? We're looking for a founding-level developer to build at the intersection of UX and AI in San Francisco. If you have deep experience with LLMs and evals, and want to join a well-funded startup backed by top-tier VCs, this is your chance to shape the future of a high-growth platform from the ground up.
Overview
Role overview
Company
About the company
Fast-growing AI startup
Responsibilities
What you will do
- Architect and build user-facing features using modern web technologies and LLM integrations.
- Develop and iterate on robust evaluation frameworks to ensure high-quality AI outputs and performance.
- Collaborate directly with leadership to translate user needs into technical specifications and ship rapidly.
Candidate profile
Who this is a fit for
- Proven track record in early-stage environments with a passion for building 0->1 products.
- Deep hands-on experience working with LLMs and building sophisticated evaluation pipelines.
- Strong product sense and the ability to make autonomous technical decisions that favor user value.
What makes it remarkable
Why this role is remarkable
- Join a founding team as a key contributor to a 0->1 product build in a high-growth sector.
- Work at a well-funded startup backed by top-tier VCs with a clear path to market leadership.
- Own the entire product lifecycle, from initial LLM experimentation to production-grade feature deployment.
Jack & Jill
How Jack & Jill work together
Meet Jack
Jack gets to know what you're great at and what you want next, then searches 14 million jobs daily and introduces you directly to hiring managers.
How does this work?
Jack's an AI agent for job searching and career coaching. He works for you.
Jill is the AI recruiter working for the company. She recruits from Jack's network.
If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.