Join a team of five building the "vulnerability brain" for the enterprise. You will develop autonomous research agents that reproduce CVEs, validate detections in ephemeral labs, and automate remediation workflows. This role offers the chance to own core infrastructure—from distributed scanning runtimes to entity graphs—protecting Fortune 500 organizations with production-grade AI.
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Founding Engineer at Hinoki
Join Hinoki as a Founding Engineer and help replace the 20-year-old vulnerability management stack with a live AI-native "vulnerability brain." We are a team of five in San Francisco building a fleet of sandboxed research agents that discover, prioritize, and drive remediation at machine speed. If you have 3-6 years of experience and have shipped production AI agents, this is your chance to own core platform infrastructure and protect Fortune 500 companies. With a $180K–$270K salary, significant equity, and a high-bar engineering culture, you'll be at the forefront of autonomous security infrastructure.
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Location
San Francisco, United States
Compensation
$180k-$270k + Equity
Company
Hinoki
Role overview
Hinoki is the self-driving exposure management platform for turning findings into fixes. It detects CVEs across cloud and on-premises environments and provides continuous vulnerability scanning and patching in one modern, unified platform.
What you will do
- Architect and build distributed scanning runtimes and ephemeral test labs capable of reproducing and verifying thousands of published CVEs at machine speed.
- Develop a live entity graph and provenance system that maps complex enterprise assets across cloud providers, ticketing systems, and ownership chains for auditable decision-making.
- Engineer autonomous workflow pipelines that filter thousands of raw security findings into high-confidence remediation actions with attached evidence and rollback guidance.
Who this is a fit for
- Possesses 3-6 years of experience shipping production-grade autonomous systems, specifically AI agents with robust multi-step reasoning and sophisticated failure handling.
- Demonstrates deep technical expertise in distributed compute, large-scale workflow pipelines, and systems programming with a commitment to high-quality, high-provenance code.
- Thrives in early-stage environments with a strong ownership mentality, capable of moving fast and wearing multiple hats to protect real organizations from emerging threats.
Why this role is remarkable
- Join as the third engineer on a high-talent founding team where you will directly influence the architectural foundations of an autonomous security platform.
- Work on cutting-edge production AI agents that go beyond prototypes to perform multi-step reasoning, tool use, and automated remediation in real-world environments.
- Enjoy a high-energy, in-person culture in a premier San Francisco office by the Ferry Building, featuring comprehensive benefits like 5% 401(k) matching and relocation support.
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.
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.
Meet Jack
What happens next?
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 your profile’s a match and Hinoki wants to meet, Jill will make the intro. In the meantime, Jack will send you excellent alternatives.