Demo

Growth (Part-Time)

Chestnut (YC X25)
San Francisco, CA Part Time
POSTED ON 12/4/2025 CLOSED ON 1/2/2026

What are the responsibilities and job description for the Growth (Part-Time) position at Chestnut (YC X25)?

Tl;dr

Chestnut is hiring a part-time Growth Lead to help Americans save billions of dollars per year.

This is a 20hr/wk role if done part-time. We are also hiring full-time (see our other job posting).

Chestnut

Chestnut is the first AI mortgage lender. Our AI agents automate the mortgage process and save consumers 0.5% in interest.

Founder Spencer Brown’s last startup built software used by a top-10 mortgage lender to power $85B of loan volume and all aspects of loan processing. During that time he learned how AI could be used to automate the mortgage process and save consumers billions of dollars per year. Realizing that traditional lenders weren’t poised to adapt to AI, he founded Chestnut to challenge the $128B mortgage market head-on. So far, Chestnut is closing mortgages in Texas and Colorado where we offer several different types of home loans.

We’re backed by Y Combinator, Olive Tree Capital (Uber, Postmates, Ramp), and other world-class investors, angels, and founders. The company was founded in January 2025 and recently completed YC X25.

What to Expect

To start, you’ll help drive and convert traffic to our self-serve mortgage experience for borrowers. Later, you could lead our growth team (and perhaps others).

Some Of Your First Initiatives Will Include

  • 🚦 Experimenting with new growth channels (ads, UGC, partnerships, and more).
  • ⛽️ Developing copy and sequences that drive conversions.
  • 📈 Optimizing and hacking SEO to drive organic growth.
  • 🧮 Spec'ing key analytics events and metrics.

Skills and Background

Required

  • ⚡️ Hunger for high-focus, high-growth work.
  • ↕️ Quantifiable success driving growth for consumer products.
  • 🗣️ Excellent communication skills.
  • 😎 Sufficient technical skills to be dangerous across the stack.

Great

  • 🤓 History of building side projects.
  • 🍎 Interest in people management/mentoring.
  • 🦄 Desire to found your own company some day. We will do everything we can to help!

Logistics

We work in-person but this role can also be remote (on Pacific Time hours). Our office in Dogpatch (SF) has 16’ ceilings, giant windows, and tons of sunlight. We’re less than 5 mins away from Dogpatch Boulders and multiple coffee shops, bakeries, and breweries.

Salary : $100,000 - $200,000

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