Lead Data Engineer at LightWork AI
- Location
- London, United Kingdom
- Compensation
- £110k-£140k + Equity
Join LightWork AI as their first Lead Data Engineer to architect the data backbone of a platform transforming the £33B property management industry. With 14,000 units already under management and backing from veteran industry founders, you'll have total ownership over the real-time pipelines, vector databases, and ML workflows powering their AI assistant, Felicity.
This is a rare opportunity to define the technical foundations of a future unicorn, offering a salary of £110k-£140k plus significant equity for a builder ready to ship from scratch.
Role overview
As the first senior data hire, you will architect and build the foundation of LightWork AI’s data infrastructure. You will design real-time pipelines, vector search systems, and machine learning workflows that power Felicity. This high-impact role involves setting engineering standards and scaling the data backbone of a category-defining AI platform.
About LightWork AI
AI · 25 employees · London, United Kingdom
LightWork AI is automates property operations (compliance, maintenance, lettings and tenant support) through Felicity, an AI assistant that can handle up to 80% of admin tasks autonomously. Designed for the UK’s property industry, LightWork AI delivers enhanced capacity, reduced admin costs and zero missed communications for property management & lettings agencies; giving tenants the confidence that their homes are safe, compliant and their needs are always met.
What you will do
- Architect and maintain scalable data ingestion, transformation, and storage systems for real-time and batch AI workloads.
- Build and optimize vector databases and ML data pipelines to support retrieval-augmented generation and intelligent automation.
- Set data engineering standards and eventually mentor and build out the future data team as the company scales.
Who this is a fit for
- 7+ years of experience in data or backend engineering, specifically building distributed data systems and production pipelines.
- Deep proficiency in Python and experience with a modern stack including PostgreSQL, NoSQL, and vector databases like Qdrant or Milvus.
- A builder mindset with experience in high-growth startups and the ability to design architectures from first principles.
Why this role is remarkable
- Lead the greenfield architecture of a data backbone for a high-growth AI platform from day one.
- Join a category-defining startup already managing 14,000 units with strong traction toward a unicorn valuation.
- Massive ownership and influence as a founding engineering hire with direct access to founders and advisors.
How Jack & Jill work together

What happens next?
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 your profile’s a match and LightWork AI wants to meet, Jill will make the intro. In the meantime, Jack will send you excellent alternatives.