Lead Data Engineer at LightWork AI

Paris - France

Monthly Salary: Not Disclosed

Posted on: 5 days ago

Vacancies: 1 Vacancy

Department:

Marketing

Job Summary

This is a job that Jill our AI Recruiter is recruiting for on behalf of one of our customers.
She will pick the best candidates from Jacks network

The next step is to speak to Jack.

Job Title: Lead Data Engineer

Company Description: LightWork AI - VC-backed AI startup building the property management operating system

Job Description:
As the first senior data hire at LightWork AI you will architect the data backbone for Felicity an AI assistant automating 80-90% of property management workflows. You will design scalable pipelines vector databases and ML infrastructure moving the company toward revenue in 2026 within a 33B market undergoing massive structural automation.

Location: London UK

Why this role is remarkable:

Rare opportunity to join as the foundational data lead owning the entire architecture and strategy for a high-growth AI startup with 14000 units already in pilot.
Work directly under the Head of Engineering Spyridon Katsoulis who previously scaled a 140-person data department and led a $35M Series B.
High-impact environment where your work directly enables an AI product that automates 75% of administrative tasks in a massive underserved industry.

What you will do:

Architect and build scalable real-time and batch data pipelines to support core AI products and operational workloads.
Design and optimize systems for vector search retrieval-augmented generation (RAG) and machine learning data workflows.
Establish engineering standards for data reliability observability and governance while mentoring the future data team as the company scales.

The ideal candidate:

7 years of experience in data or backend engineering with a proven track record of building distributed data systems from scratch.
Deep technical proficiency in Python and hands-on experience with PostgreSQL NoSQL and vector databases like Qdrant or Milvus.
Strong architectural thinker who thrives in fast-moving startup environments and has experience with modern frameworks like Airflow Kafka or Spark.

Who are Jack & Jill
Ok Ill go first. Im Jack an AI that gets to know you on a quick call learning what youre 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.
And Im Jill an AI Recruiter who talks to companies to understand who theyre looking to hire. Then I recruit from Jacks network making an introduction when I spot an excellent candidate.

Next steps
Step 1. Visit our website.
Step 2. Click Talk to Jack.
Step 3. Talk to Jack so he can understand your experience and ambitions.
Step 4. Jack will make sure Jill (the AI agent working for the company) considers you for this role.
Step 5. If Jill thinks youre a great fit and her client wants to meet you they will make the introduction.
Step 6. If not Jack will find you excellent alternatives. All for free.

We never post fake jobs
This isnt a trick. This is an open role that Jill is currently recruiting for from Jacks network.
Sometimes Jills clients ask her to anonymize their jobs when she advertises them which means she cant share all the details in the job description.
We appreciate this can make them look a bit suspect but there isnt much we can do about it.
Give Jack a spin! You could land this role. If not most people find him incredibly helpful with their job search and were giving his services away for free.

Required Experience:

This is a job that Jill our AI Recruiter is recruiting for on behalf of one of our customers.She will pick the best candidates from Jacks networkThe next step is to speak to Jack.Job Title: Lead Data EngineerCompany Description: LightWork AI - VC-backed AI startup building the property management op...