Agents Engineer
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Before you apply
SalaryNo pay range posted
LocationSan Francisco
Work modeon-site
Typefull-time
SenioritySenior
DepartmentEngineering
Company size8+ people
PostedDec 24, 2025 · 10mo ago
Verified live1d ago
At a glanceSummarised by Seekless from the posting.
Built production agent systems you can point to
Deep hands-on experience with prompt engineering, context optimization, and multi-agent orchestration
Debugged agents in production and know how to make them predictable at scale
Strong full-stack foundation
Applied AI to design systems, brand generation, or code generation
Know website builders (Webflow, Framer) or CMS platforms (Sanity, Contentful)
Built RAG systems or fine-tuned a model for a specific domain
Skills
Python
React
Webflow
Framer
Sanity
Contentful
Benefits
Health insurance
PTO
Equity
About Flint
Flint is the agentic platform that ships pages from your brand and ad campaigns. AI doesn’t replace marketers. It removes the work that should never have been theirs: building a one-off landing page for every keyword, every campaign change, every A/B test, then waiting on design and engineering to do it. Today we deliver on-brand pages on your own domain in minutes, with no rebuilds and no engineers. We’re 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 website that builds new pages, tests creative, and optimizes performance in response to real-world signals: competitive shifts, user behavior, trending search queries, the way an autonomous vehicle responds to road conditions and traffic. The marketer still owns the work that compounds and the work that requires taste: strategy, audience, creative direction, brand judgment. Flint takes the manual production off their plate so they get those hours back.
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, Scale, and Shepherd (YC W21), and work together in-person out of historic Jackson Square.
The product
Companies have used Flint to hit goals like…
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Ranking #1 on AI answer engines like ChatGPT, Perplexity and Google AI Overview
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Lifting ad conversion rates
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Generating hundreds of thousands of dollars in pipeline revenue
What you’ll own
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The agentic systems behind Flint’s core product: reliability, capability, observability. The central problem of the role is making them hold up in production, not just in demos.
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The pipeline that ingests customer websites and extracts brand signals for generation.
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Multi-agent architectures that survive real traffic and edge cases.
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Evals and testing for agentic systems.
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Integrating agent capabilities into the broader platform alongside product engineers.
You’re a fit if
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You’ve built production agent systems you can point to.
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You have deep hands-on experience with prompt engineering, context optimization, and multi-agent orchestration.
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You’ve debugged agents in production and know how to make them predictable at scale.
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You’ve got a strong full-stack foundation, agents don’t live in isolation.
Bonus
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You’ve applied AI to design systems, brand generation, or code generation.
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You know website builders (Webflow, Framer) or CMS platforms (Sanity, Contentful).
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You’ve built RAG systems or fine-tuned a model for a specific domain.
Flint in the press
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TechCrunch - Oct 2025
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Business Insider - Nov 2025
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Pragmatic Engineer podcast - Dec 2025
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CNBC - Dec 2025
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Follow us on Linkedin and X
What we offer
🌆 Historic office in Jackson Square (with 2 rooftops and a shower) - tour virtually here
đź’ş 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.