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Posted on 2026/01/21

Fractional Product Designer (AI-Native Systems)

Greylock Partners

San Francisco, CA, United States

Contractor

Qualifications

  • Have an ambitious product vision
  • Are deeply technical and product-oriented

Responsibilities

  • We’re looking for a fractional Product Designer to help lay the foundation of the product — from core workflows and interaction models to the initial design system
  • You’ll work directly with the founders to translate an early vision into a coherent, usable, and scalable product

Full Description

About the Role

A recent seed stage investment of ours is developing a new category of AI-native B2B software from the ground up.

This is a true 0→1 effort, and design is a critical lever in defining not just the interface, but the product itself.

We’re looking for a fractional Product Designer to help lay the foundation of the product — from core workflows and interaction models to the initial design system.

You’ll work directly with the founders to translate an early vision into a coherent, usable, and scalable product.

This is a highly impactful role for a designer who thrives in ambiguity, thinks in systems, and wants to help define what “good” looks like in an emerging AI category.

About the Team

We recently invested in this company and are partnering closely with the founding team.

The founders come from top AI companies and bring deep technical expertise, strong product instincts, and first-hand experience building and scaling complex systems.

You’ll be working directly with founders who:

• Have an ambitious product vision

• Are deeply technical and product-oriented

• Value design as a core part of the company’s foundation, not a layer added later

• This is a rare opportunity to shape a product alongside founders with both credibility and conviction, at the very beginning.

Location: ideally you're in the Bay area, but can be flexible for the right person.

Application Process:

I will contact anyone who looks like a potential match for this opportunity--requesting to schedule a call with you immediately.

Once contacted, I'll explain our Recruiting model, spend some time getting to know you better, and will discuss various opportunities within our portfolio with you as well.

Due to the volume of applicants we typically receive from our job postings, a follow-up email will not be sent until a match is identified with one of our investments.

harvey, sierra, cursor, cognition, notion, gemini, linear, lovable, thinking machine labs, vercel, giga, hex, chat, agent

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