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engineering

Posted Dec 24, 2025

Agents Engineer

at Flint

San Francisco, United StatesOn-site

Requirements

  • We launched in February 2026 (announced here https://www.linkedin.com/posts/michlimlim_flint-ai-builds-you-on-brand-pages-for-every-ugcPost-7432095475916230656-gUBS/?utm_source=social_share_send&utm_medium=member_desktop_web&rcm=ACoAAB-lEvQBDMC4WORPKPe-emksA3DMuDZNghg), and are already powering pages that generate hundreds of thousands of dollars in pipeline + featured on CNBC https://www.youtube.com/watch?v=h84aSoFawQE&t=1259s.
  • ⚡ Recognized names that turn heads: We've earned the trust of customers like Cognition, Glean, Langchain, Tandem, 11x, + more we don't publicly reference.
  • AI doesn't replace marketers.
  • "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.
  • 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.
  • THE PRODUCT Companies have used Flint to hit goals like… - Ranking #1 on AI answer engines like ChatGPT, Perplexity and Google AI Overview - Lifting ad conversion rates - Generating hundreds of thousands of dollars in pipeline revenue WHAT YOU'LL OWN - The agentic systems behind Flint's core product: reliability, capability, observability.
  • experience with prompt engineering, context optimization, and multi-agent orchestration. - You've debugged agents in production and know how to make them predictable at scale. - You've got a strong full-stack foundation, agents don't live in isolation.
  • BONUS - You've applied AI to design systems, brand generation, or code generation. - You know website builders (Webflow, Framer) or CMS platforms (Sanity, Contentful). - You've built RAG systems or fine-tuned a model for a specific domain.

Benefits

  • THE VISION Sandberg instantly understood Flint's vision.
  • 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.
  • 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 https://www.linkedin.com/posts/michlimlim_my-buddy-prem-nair-was-engineer-2-at-windsurf-activity-7355686617514188800-FihO/?utm_source=share&utm_medium=member_desktop&rcm=ACoAAB-lEvQBDMC4WORPKPe-emksA3DMuDZNghg] ✨ More benefits coming very soon.

Contact

  • https://www.linkedin.com/posts/michlimlim_help-me-settle-a-debate-with-laura-lee-activity-7399163641784332288-O9Yl?utm_source=share&utm_medium=member_desktop&rcm=ACoAAB-lEvQBDMC4WORPKPe-emksA3DMuDZNghg) ABOUT FLINT Flint is the agentic platform that ships pages from your brand and ad campaigns.
  • Amazing to watch." - Dan Levine, Accel Flint is led by co-founders Michelle Lim https://www.linkedin.com/in/michlimlim/, Engineer #1 turned Head of Growth and Product at Warp, and Max Levenson https://www.linkedin.com/in/max-levenson-a6102199/, engineering leadership at autonomous vehicle startup Nuro, then Engineer #2 at Vooma (YCS23).
  • FLINT IN THE PRESS - TechCrunch https://techcrunch.com/2025/10/14/sheryl-sandberg-backed-flint-wants-to-use-ai-to-autonomously-build-and-update-websites/ - Oct 2025 - Business Insider https://www.linkedin.com/posts/michlimlim_talked-to-business-insider-about-my-journey-activity-7391519642181193728-YpNL?utm_source=share&utm_medium=member_desktop&rcm=ACoAAB-lEvQBDMC4WORPKPe-emksA3DMuDZNghg - Nov 2025 - Pragmatic Engineer podcast
  • Catch us in action at our launch party https://www.linkedin.com/posts/michlimlim_behind-every-startup-launch-is-a-community-activity-7384241772484308993-ouxc?utm_source=share&utm_medium=member_desktop&rcm=ACoAAB-lEvQBDMC4WORPKPe-emksA3DMuDZNghg, rock climbing https://www.linkedin.com/posts/michlimlim_were-getting-ready-to-climb-out-of-stealth-activity-7381038576362336256-uGLQ?utm_source=share&utm_medium=member_desktop&rcm=ACoAAB-lEvQBDMC4WORPKPe-emksA3DMuDZNghg, celebrating birthdays

Additional details

  • 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.
  • "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.
  • Every single member of the Flint team has been a founding engineer / founder.
  • We are alums of Netflix, Scale, and Shepherd (YC W21), and work together in-person out of historic Jackson Square.
  • The central problem of the role is making them hold up in production, not just in demos. - The pipeline that ingests customer websites and extracts brand signals for generation. - Multi-agent architectures that survive real traffic and edge cases. - Evals and testing for agentic systems. - Integrating agent capabilities into the broader platform alongside product engineers.
  • YOU'RE A FIT IF - You've built production agent systems you can point to. - You have deep hands-on

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