This unique opportunity allows repeat founders to build their next venture within a structured programme focused on defence and dual-use technologies. Starting in London and moving to San Francisco, you will find a cofounder, validate high-impact ideas, and secure significant pre-seed funding to reshape national security and commercial markets.
Cofounder-in-Residence at Global deep-tech venture builder
Are you a repeat founder ready to tackle the next frontier in national security? Join a world-leading venture builder to co-found your next defence or dual-use startup. This unique programme provides up to £250k in pre-seed investment, a curated cohort of elite potential cofounders, and a dual-city experience in London and San Francisco. Whether you're an expert in AI, robotics, or cybersecurity, this is your chance to build a company that reshapes critical infrastructure. Stop searching for your next move and start building it with the backing of top-tier operators and a global network of innovators.
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Location
London, UK & San Francisco, United States
Compensation
Up to £250k Pre-Seed Investment + Equity
Company
Confidential company
Role overview
About the company
Global deep-tech venture builder
What you will do
- Collaborate with a curated group of founders to identify and validate high-potential defence or dual-use business ideas.
- Transition from the formation phase in London to the launch phase in San Francisco to accelerate global market entry.
- Build and ship products that serve both government national security needs and large-scale commercial sectors.
Who this is a fit for
- Proven track record as a repeat founder or early employee who has successfully navigated the 0-to-1 startup journey.
- Demonstrated ability to build products and secure institutional seed funding or initial government contracts under constraints.
- Deep interest in autonomy, AI, robotics, or cybersecurity, with a drive to solve complex, high-stakes problems.
Why this role is remarkable
- Access a hand-picked cohort of experienced repeat founders to find your perfect technical or commercial cofounder match.
- Receive significant upfront pre-seed investment and mentorship from world-class defence-tech operators and investors.
- Split your time between the UK and Silicon Valley, benefiting from global network access 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 Confidential company wants to meet, Jill will make the intro. In the meantime, Jack will send you excellent alternatives.