Founding Systems Architect / Engineer (£60k–£75k + Equity) at fast-growing AI proptech startup

Job Title

Founding Systems Architect / Engineer

Salary

£60k–£75k + Equity

Company Description

Fast-growing AI proptech startup

Job Description

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.

Location

London, UK

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.

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.

The ideal candidate

• 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.

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