Join a revenue-generating AI startup as a founding engineer building the core platform for the physical engineering world. You will develop multi-agent systems and geospatial pipelines that automate complex technical workflows for consultancies and regulators. This hybrid role combines deep technical execution with direct client engagement to accelerate global infrastructure delivery.
Back to all jobs
Find a job withJack
This job is no longer actively hiring. Open Roles to see active jobs.
London, United KingdomUp to £100K + Equity
Founding Engineer / Forward Deployed Engineer at Stratum - AI platform for physical engineering
Join Stratum as a Founding Engineer and build the AI-native operating system for the physical engineering world. With £400k in revenue since June and a freshly closed funding round, this isn't just another theoretical AI startup—you'll be shipping production code that accelerates critical infrastructure and climate resilience. If you're a full-stack generalist who loves being as close to the customer as you are to the code, this is your chance to take a high-equity stake in a high-growth team in London.
Overview
Role overview
Company
Stratum
Engineering5–10+ employees
Stratum - AI startup for physical engineering
Responsibilities
What you will do
- Build and ship production-quality features using Python and React, including LLM orchestration and RAG pipelines.
- Lead technical discovery and product demos directly with clients to convert pilots into long-term contracts.
- Own the end-to-end software lifecycle from design decisions and UI/UX to automated testing and CI/CD pipelines.
Candidate profile
Who this is a fit for
- Strong full-stack generalist with proven experience shipping production-grade AI/ML systems and multi-agent orchestration.
- Commercially minded engineer comfortable presenting to civil engineers, planning officers, and commercial directors.
- Autonomous operator with a background as a former founder or early-stage engineer who thrives in 0-to-1 ambiguity.
What makes it remarkable
Why this role is remarkable
- Founding-level influence and equity as the fifth member of a team with £400k in revenue since June.
- Work at the cutting edge of AI and physical engineering to solve real-world problems like climate resilience and infrastructure bottlenecks.
- High-autonomy environment with a freshly closed funding round and active pilots with major engineering consultancies.
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.
Jack