As the first senior technical hire, you will architect the backend infrastructure for an AI-native platform transforming the $1.5T facilities management industry. Working directly with founders, you'll move from prototype to production, building robust Python systems, data pipelines, and API layers to replace legacy software with intelligent automation.
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Founding Systems Architect / Engineer at fast-growing AI proptech startup
Join a high-growth AI proptech startup as the first senior technical hire and define the architectural future of a $1.5T industry. This London-based founding role offers meaningful equity and the chance to build an AI-native platform from scratch, moving beyond legacy software to create real-time building intelligence. If you are a Python expert ready for true ownership and direct founder collaboration, this is the career-defining opportunity you’ve been waiting for.
About this role
Role overview
About the company
About the company
Fast-growing AI proptech startup
What you'll do
What you will do
- Design and own the end-to-end architecture including database design, API layers, and complex data pipelines.
- Ship production-grade Python code using FastAPI or Django and manage scalable AWS/PostgreSQL infrastructure.
- Integrate the platform with legacy facilities management software to create seamless, real-time data flows for predictive maintenance.
Who you are
Who this is a fit for
- Expert-level Python skills with a track record of building and scaling production systems from the ground up.
- Previous experience in early-stage startups or a founder-level mindset comfortable with pre-product-market fit ambiguity.
- Ability to work on-site in Central London at least four days a week to foster high-velocity collaboration.
Why this role
Why this role is remarkable
- True founding-level ownership with the power to define the entire architectural roadmap for a high-growth AI platform.
- Backed by industry experts with live contracts and early revenue in a massive, underserved global market.
- Direct collaboration with founders in a fast-paced environment where your technical decisions have immediate business impact.
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 15 million jobs daily and helps you discover roles at companies like this.
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.