Jack & Jill
Lead Backend Engineer at LightWork AI
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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 Jack's network.
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Job Title
Lead Backend Engineer
Salary
Not Disclosed
Company Description
LightWork AI is a London-based startup building an intelligent AI operating system for modern property management. Backed by experienced founders and industry advisors, the company is developing Felicity, an AI assistant designed to automate up to 90% of operational workflows for property managers and build-to-rent teams.
Job Description
As Lead Backend Engineer, you will architect and build the scalable systems powering Felicity, our AI property management assistant. You'll own technical direction, design microservice architectures, and lead a high-performing backend team. This is a hands-on leadership role at an early-stage company scaling toward becoming a defining industry platform.
Location
London, UK
Why this role is remarkable
- Join a high-growth startup at the ground floor, shaping the technical architecture of a platform aiming to become the defining AI operating system for property operations.
- Tackle complex engineering challenges by automating up to 90% of real-world operational workflows through sophisticated AI integrations and event-driven microservices.
- Work directly with experienced founders and advisors in a fast-paced environment where your leadership directly influences engineering culture and company trajectory.
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What You Will Do
- Architect, design, and build scalable backend systems and RESTful APIs using Node.js and TypeScript to support real-time operational workflows.
- Lead technical strategy and architecture decisions across the engineering team while mentoring junior engineers and fostering a high-performing culture.
- Integrate backend services with LLMs and automation workflows to translate complex property management tasks into reliable, production-grade systems.
The ideal candidate
- Has 7+ years of professional backend experience with deep expertise in Node.js, TypeScript, and relational databases like PostgreSQL.
- Possesses a strong track record of leading engineering projects and designing microservice or event-driven architectures in high-growth startup environments.
- Must be a graduate from a Russell Group university with a first-class or 2:1 degree (required for London-based candidates).
Who are Jack & Jill?
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.
Get help with your application
Your very own career expert that helps elevate your application to the next level.
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.
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.
We never post fake jobs
This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't 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 we're giving his services away for free.
“It took my CV and asked me questions relevant to understanding what kind of jobs to suggest for me. Suggestions were almost perfect. Jobs were exactly what I’ve been looking for.”
Jessica, London
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