Startups

Engineering Intern — Summer 2027

Flint · San Francisco · On-site

← All jobs
About Flint

Find Healthcare Jobs with Green Card Sponsorship with Flint! Backed by Y Combinator.

About the role

Own a part of the product that's live with customers and stays live after you leave. Work anywhere in the stack, from the UI down to the infrastructure it runs on.

More about this role

Flint is the first self-improving system for performance marketing. We connect to brands' ad accounts and optimize them through creating pages instantly for each ad group and running a learning loop that continually improves conversions. We just signed a Fortune 10 customer, and within 48 hours their customer acquisition cost decreased by 50%. We're backed by Accel, Sheryl Sandberg (former Meta COO)'s venture fund SBVP, and Neo.

Own a part of the product that's live with customers and stays live after you leave.

Work anywhere in the stack, from the UI down to the infrastructure it runs on.

Use LLMs and agent workflows as everyday tools. The product is built out of them.

Ship to production in your first few weeks, then keep going.

At the end of the summer, show the whole company what you built and what it moved.

You report to and sit with the engineers who own the part of the product you're working on.

This role is onsite in our San Francisco office, five days a week, for the full 16 weeks: Monday 3 May to Friday 20 August 2027.

You must already be authorized to work in the United States for the whole term. We don't sponsor visas for internships, and the application asks you to...

Read the full posting on Flint's site ↗

Engineering

Build your edge while you search

Free tools for founders and investors, plus VC Unfiltered, our take on startups, venture and the people who build them.