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Tryflint

Founding Software Engineer

Tryflint, San Francisco, California, United States, 94199

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tl;dr: Why choose Flint? ⚡ We’re winning quickly.

We’re backed by Accel, by the same partner who led the series A for Scale, Vercel, and Sentry. We launched out of stealth 2 months ago (TechCrunch), and are already powering pages that generate hundreds of thousands of dollars in pipeline. Also recently featured on CNBC.

⚡ We’re drowning in demand.

Flint has thousands of companies on our waitlist with more coming inbound every day. The market has spoken. We're growing our team so we can stop turning away customers.

⚡ Recognized names that turn heads.

We’ve earned the trust of customers like Cognition, Modal, Reducto, and Tandem + more we don’t publicly reference. (Our new gong has been put to great use!)

About Flint: Autonomous websites Flint is defining the next generation of websites: ones that can constantly build and optimize themselves based on visitor behavior and market changes. Today, we deliver on-brand landing pages on your domain fast, without any rebuilds or engineers. We are backed by Accel, Sheryl Sandberg (former Meta COO)'s venture fund SBVP, and Neo.

The vision Sandberg instantly understood Flint’s vision. “I was sharing how it took (me) five teams three months to build one A/B test just to increase conversion by 10% on our Google ad,” Lim said. “And then she stopped me, [and] said, ‘Michelle, it was 140 people at Meta who had to do this’.” — TechCrunch

Imagine a world where your website launches new pages, tests creative, and optimizes performance entirely autonomously. Just as autonomous vehicles respond to real-world inputs like road conditions and traffic patterns, Flint-powered websites respond to external signals such as competitive shifts, user behavior, and trending search queries.

The team “One of the most talent-dense AI startups... each member of the early Flint team has a track record, and as a team, they perform like athletes. Amazing to watch.” - Dan Levine, Accel

Flint is led by co-founders Michelle Lim, Engineer #1 turned Head of Growth and Product at Warp, and Max Levenson, engineering leadership at autonomous vehicle startup Nuro, then Engineer #2 at Vooma (YCS23).

Every single member of the Flint team has been a founding engineer / founder. Early stage best practices are in our team’s DNA. Because of that, our team knows how to catalyze hockey stick growth, but just as critically, how to navigate it sustainably to create $XB valued companies. After all, we’ve done it before.

We are alums of Netflix, Splunk, Scale, Carrot, and Shepherd (YC W21), and work together in-person out of historic Jackson Square.

The product Companies have used Flint to hit goals like….

Ranking #1 on AI answer engines like ChatGPT, Perplexity and Google AI Overview

Driving 50% higher ad conversion rates on Google Ads months ahead of schedule

Generating hundreds of thousands of dollars in pipeline revenue

The first version of Flint's autonomous website platform produces on-brand landing pages from content briefs and prompts in minutes. Flint ingests a company's existing design system (components, brand guidelines, and visual tokens), then generates fully-coded landing pages that live on the customer’s top-level domain, on a subfolder at URLs like companysite.com/campaign-name

The role As

Founding Software Engineer , you’ll build the systems that power AI-native websites, shaping the technical architecture and culture of a company defining the next era of the internet.

Role scope

Build

agentic systems

that design and launch web experiences, leveraging cutting-edge AI techniques.

Develop and maintain Flint’s

core application

across frontend, backend, and infrastructure.

Design systems with

robust evals, observability, and testing

to push the frontier of AI reliability.

Prototype rapidly

with users and translate learnings into durable features.

Lead

architectural decisions

that set Flint’s technical direction for years to come.

Own projects end-to-end : from prototypes that test new ideas with users to production systems that serve as the foundation for our platform.

We’ve already tackled problems such as:

SOTA applied AI for

frontend code generation and design systems

Novel

UX patterns for AI-first software

Distributed multiplayer systems

for collaborative editing

AST parsing and manipulation

for generative code

…and there’s much more ahead.

Basic qualifications

You are a product-first engineer who cares deeply about user experience.

You have strong

full-stack engineering experience

and are excited to work across the stack.

You regularly use the latest

AI-forward developer tools

(Claude Code, Cursor, Copilot, etc).

You take

ownership

from problem to solution, learning whatever you need to succeed.

You love building MVPs, testing them with users, and iterating quickly.

Preferred qualifications

Have used website builders (e.g. Webflow or Framer) or CMS platforms (Sanity, Contentful, Strapi).

You have built an AI product before

Experience working in early-stage startups or small teams

Flint in the press

TechCrunch - Oct 2025

Business Insider - Nov 2025

Pragmatic Engineer podcast - Dec 2025

CNBC - Dec 2025

Follow us on Linkedin and X

What we offer Historic office in Jackson Square (with 2 rooftops and a shower) - tour virtually here

A crazy upside-down battlestation - tour virtually here

20 PTO days a year and full health benefits

Lunch and a fully stocked snack bar at the office, incl. Cometeer coffee pods

Dog friendly

Competitive salary + equity [we stand by care for our employees]

✨ More benefits coming very soon.

Our Culture We are an intensely creative team. After work, we are (avid) readers, photographers, acapella singers, film critics (who don't hold back), bakers, yoga teachers, interior designers, and more.

Catch us in action at our launch party, rock climbing, celebrating birthdays, hosting trivia nights, going for pilates and more.

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