As Lead Backend Engineer, you will own the technical architecture and development of the systems powering Felicity. You will design scalable Node.js and TypeScript APIs, build event-driven services, and integrate LLMs to automate complex property management tasks. This hands-on leadership role involves setting engineering standards and mentoring a high-performing team in a fast-paced startup environment.
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Lead Backend Engineer at LightWork AI
LightWork AI is revolutionizing the UK property management industry by building the "operating system" for modern property operations. As Lead Backend Engineer, you'll be at the technical forefront, designing the Node.js and TypeScript architecture for Felicity—an AI assistant that automates up to 90% of operational admin tasks. With pilot customers already live and strong traction toward 2026 revenue goals, this is a rare opportunity to join a well-backed startup at an early stage. You will own the backend systems, integrate LLMs into production workflows, and mentor a growing team while receiving a competitive salary and meaningful equity. Help us build a unicorn that transforms how property is managed globally.
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Location
Remote
Compensation
£75k-£105k + Equity
Company
LightWork AI
Role overview
AI25 employeesLondon, 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 build scalable backend systems, APIs, and data pipelines using Node.js and TypeScript to support real-time operational property workflows.
- Lead the integration of backend services with advanced AI models and LLMs, translating complex property management logic into reliable production systems.
- Establish engineering excellence by mentoring team members, conducting technical code reviews, and defining development practices across the entire backend stack.
Who this is a fit for
- Possesses 7+ years of professional backend experience with deep expertise in Node.js, TypeScript, and designing robust, production-grade RESTful APIs.
- Demonstrates a proven track record of leading engineering projects or teams within microservice or event-driven architectures, preferably in high-growth startup environments.
- Holds strong skills in data modeling with PostgreSQL and a proactive ownership mentality to navigate technical ambiguity and drive system reliability.
Why this role is remarkable
- Join an early-stage AI company as a technical leader, directly influencing the architecture and culture of a platform aiming to become a category-defining unicorn.
- Work on a product already seeing strong market demand and positive pilot feedback, addressing a massive structural shift in the £100B+ UK property management industry.
- Collaborate directly with experienced founders and a core team to solve real-world problems using cutting-edge AI and event-driven microservice architectures.
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.
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.
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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.