Join a high-growth startup as a founding engineer to build an end-to-end platform that automates digital advertising and customer acquisition workflows. You will take full ownership of feature development from concept to deployment, architecting scalable systems and developing user-centric interfaces. This is a unique opportunity to shape the core product of a fast-moving AI venture.
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Learn about Jack
Founding Full-Stack Engineer at YC-backed AI marketing startup
Are you ready to join a high-velocity startup as a founding engineer? This YC-backed venture is rebuilding the marketing tech stack from the ground up using generative AI. We are looking for an ambitious full-stack engineer in San Francisco who wants to own major features, architect scalable systems, and help lead the transition from manual ad operations to autonomous AI agents. If you thrive in fast-paced environments and want to solve a multi-billion dollar problem while working with a modern tech stack, this founding role offers the equity, ownership, and impact you've been looking for.
About this role
Role overview
About the company
About the company
YC-backed AI marketing automation startup
What you'll do
What you will do
- Design and implement scalable full-stack features using modern TypeScript frameworks and cloud-native infrastructure.
- Architect robust database schemas and manage event-driven workflows to support complex, automated marketing operations.
- Collaborate directly with the founding team and early customers to iterate on product design based on real-world feedback.
Who you are
Who this is a fit for
- Professional experience in early-stage startups with a track record of building and launching production-grade full-stack applications.
- Strong proficiency in modern JavaScript/TypeScript ecosystems, including reactive frontend frameworks and relational database management.
- A product-minded engineer who balances technical excellence with sound creative judgment and a strong sense of user experience design.
Why this role
Why this role is remarkable
- Join as a founding team member with significant influence over product direction and technical architecture from day one.
- Work at a well-funded startup backed by top-tier accelerators and VCs within the high-impact generative AI sector.
- Experience a fast-paced, ambitious culture focused on solving massive inefficiencies in global digital spend through cutting-edge automation.
Jack & Jill
How Jack & Jill work together
I get to know what you’re great at, then find roles you’d never find yourself.Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.
I recruit from Jack’s network and make the intro when I spot a great match.And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.
Meet Jack
Jack gets to know what you're great at and what you want next, then searches 15 million jobs daily and helps you discover roles at companies like this.
How does this work?
Jack’s an AI agent for job searching and career coaching. He works for you.
Jill is the AI recruiter working for the company. She recruits from Jack’s network.
If it’s a match and the company wants to meet you, they’ll make the intro. In the meantime, if you’d like, Jack will send you excellent alternatives.