Join a mission-driven team building AlliedOS, the AI-native operating system for defence production. As a full-stack Product Engineer, you will own features end-to-end, bridging the gap between frontline needs and factory production. You will develop both a sophisticated manufacturing execution system and a global procurement marketplace to strengthen Western democratic capabilities through rapid innovation.
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London, UK£80k - £130k + Meaningful Equity
Product Engineer at Allied - VC-backed defence technology startup
Allied is reimagining the defence industrial base by building AlliedOS—an AI-native operating system that links the frontline to the factory floor. We are looking for a Product Engineer to join our high-calibre team of military veterans and engineers to build the 'Amazon of defence' for Europe. Backed by Notion Capital and 1991 VC, this role offers the chance to ship critical technology in weeks, not years, while enjoying meaningful equity and a high-autonomy environment. If you have 5-8 years of full-stack experience and want to strengthen Western democracies through code, this is the mission for you.
Overview
Role overview
Company
Allied
Defence Technology1-50 employees
Allied - Notion Capital and 1991 VC-backed defence tech startup
Responsibilities
What you will do
- Own the end-to-end development of AlliedOS features, connecting CRM, ERP, and PLM data into a single intelligent platform.
- Build and scale a defence procurement marketplace that bundles advanced hardware and software technologies for government contracts.
- Collaborate directly with commercial and product teams to iterate on homegrown MES software based on real-world user feedback.
Candidate profile
Who this is a fit for
- 5-8 years of full-stack experience with a track record of shipping high-quality web and mobile products in fast-paced environments.
- Highly proficient with modern TypeScript ecosystems (React, tRPC, Tailwind, Postgres) and enthusiastic about using AI development tools daily.
- Self-organized engineer with strong product instincts who thrives in a hierarchy-free environment and can drive work forward without supervision.
What makes it remarkable
Why this role is remarkable
- Work on a critical global mission building "Anduril meets Amazon" for European defence, directly impacting how capability is developed and deployed.
- Join a high-calibre "circle of peers" founded by a former Royal Marines officer, backed by top-tier investors like Notion Capital.
- High-autonomy environment with a modern AI-first stack (Cursor, Mastra, OpenAI) where you prove what works in weeks, not years.
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 14 million jobs daily and introduces you directly to hiring managers.
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.
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