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Confidential company

Job listing

San Francisco, United StatesNot Disclosed

Product Engineer at well-funded AI infrastructure startup

Join a high-growth AI infrastructure startup in San Francisco building the essential bridge between AI agents and the tools people use for work. Backed by top-tier VCs and industry icons, this role offers the chance to own product end-to-end and define the developer experience for the next generation of AI applications. If you are a product-focused engineer with a deep appreciation for craft and experience building with LLMs, this is a unique opportunity to shape the future of agentic workflows.

Overview

Role overview

You will build the essential bridge between AI agents and professional software tools. As a core product engineer, you will own features from inception to production, crafting elegant APIs, SDKs, and interfaces. Your work directly enables developers to create highly capable agents by providing robust infrastructure for tool communication and context management.

Company

About the company

Well-funded AI infrastructure startup

Responsibilities

What you will do

  • Elevate the developer experience by improving core APIs and delivering polished frontend and SDK interfaces.
  • Own the end-to-end product lifecycle, moving rapidly from initial concept to live production deployments.
  • Collaborate directly with customers to understand their needs and iterate on features that drive user adoption.

Candidate profile

Who this is a fit for

  • You are a product-minded engineer with experience taking projects from zero to one with a focus on craftsmanship.
  • You are AI-native, having built both with and for large language models to solve complex technical challenges.
  • You possess excellent communication skills, capable of writing articulate documentation and explaining complex technical ideas clearly.

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What makes it remarkable

Why this role is remarkable

  • You will join a high-velocity team backed by top-tier VCs and prominent tech industry leaders.
  • The company is seeing massive growth with a customer base ranging from high-growth startups to global enterprises.
  • You will have significant autonomy to shape the product's "finger feel" and set the standard for AI-native developer experiences.

Jack & Jill

How Jack & Jill work together

Jack
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Jill
I recruit from Jack’s network and make the intro when I spot a great match.

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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.

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