You will architect and build a novel multi-agent modeling platform from the ground up to simulate synthetic societies. By leveraging Large Behavioral Models and LLMs, you will create tools that help democratic governments understand and counter information warfare. This is a high-impact, founding-level role focused on the intersection of AI, behavioral science, and national security.
Founding Engineer at well-funded AI defense startup
Join a well-funded London startup as a Founding Engineer to build a groundbreaking multi-agent simulation platform. You will develop synthetic societies using LLMs and behavioral science to model and counter information warfare threats for democratic governments. If you're an architect at heart who thrives on shipping complex systems from first principles, this high-impact role at the intersection of AI and national security offers significant equity and the chance to shape a product from day one.
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Location
London, United Kingdom
Compensation
£90k-£150k + Equity
Company
Confidential company
Role overview
About the company
Well-funded AI defense startup
What you will do
- Design and implement the core architecture for a large-scale multi-agent simulation system.
- Integrate LLMs and behavioral science models to simulate human responses to information manipulation.
- Collaborate closely with the founding team to translate complex security requirements into scalable technical solutions.
Who this is a fit for
- Proven experience building complex, distributed systems or multi-agent simulations from scratch.
- Strong background in AI/ML, particularly with LLMs, and a deep understanding of software architecture.
- Must be eligible for UK security clearance and comfortable working in a high-ownership startup environment.
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Why this role is remarkable
- Opportunity to build a complex simulation platform from first principles at the intersection of AI and cognitive security.
- Well-funded pre-seed stage with backing from top-tier investors specializing in defense and AI technology.
- Direct influence on the technical direction and culture as one of the first engineering hires in the company.
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 Confidential company wants to meet, Jill will make the intro. In the meantime, Jack will send you excellent alternatives.