You will join as a founding engineer to dismantle the £190B Testing, Inspection, and Certification industry. By replacing manual workflows with AI-native agentic systems, you will build the technology that ensures global product safety. This role offers extreme ownership, direct mentorship from Palantir veterans, and the chance to ship code with immediate real-world impact.
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Full-Stack Engineer at Calibre
Join a founding engineering team in London to disrupt the £190B certification industry alongside two ex-Palantir technical founders. Backed by $3.3M from top-tier SF VCs, this startup is replacing 1800s-era manual document checks with AI-native agentic systems. If you are a high-output, AI-native engineer who thrives on first principles and extreme ownership, this is your chance to learn the Palantir playbook and build the trust backbone of global commerce from the ground up.
Overview
Role overview
Company
Calibre
$3.3M pre-seed AI startup founded by ex-Palantir technical leaders
Responsibilities
What you will do
- Build and ship high-velocity code across the full stack, including front-end, back-end, and sophisticated AI-agent infrastructure.
- Architect systems that capture complex "tribal knowledge" from auditors into self-improving, autonomous agentic frameworks.
- Work hands-on with design partners to translate deep industry friction into production-ready software solutions.
Candidate profile
Who this is a fit for
- Exceptional technical talent with 0-3 years of experience and a strong computer science foundation from a top university or equivalent.
- An AI-native programmer who uses LLM tools like Claude Code or Cursor as a genuine force multiplier for output.
- A language-agnostic, first-principles thinker with a portfolio of high-quality personal projects, GitHub contributions, or hackathon wins.
What makes it remarkable
Why this role is remarkable
- Learn the Palantir FDE playbook directly from two technical co-founders who deployed enterprise AI workflows across 20+ industries.
- Ground-floor impact at an oversubscribed $3.3M pre-seed startup backed by top-tier San Francisco VCs.
- Tackle a massive £190B market currently running on 1800s-era manual processes and Excel spreadsheets.
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.