As a Backend Engineer at Letly, you will build the foundational systems powering the entire rental ecosystem. You’ll architect scalable microservices, design high-throughput APIs, and integrate advanced AI/ML models into production workflows. This role offers the unique challenge of digitizing complex real-world operations for landlords, tenants, and vendors.
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Software Engineer (Backend) at Letly
Letly is hiring a Backend Engineer in London to rebuild the infrastructure of the home from the ground up. Backed by £2M from founders of global fintech giants, Letly is an AI-native company automating everything from rent payments to repairs. You’ll architect the core systems that handle real people’s money and property, integrating LLMs into complex operational workflows. If you're a high-agency engineer looking to solve hard technical problems in a small, driven team, this is the chance to own a massive application surface and define the future of rental property.
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Location
London, United Kingdom
Compensation
Not Disclosed
Company
Letly
Role overview
Artificial Intelligence, Property
Letly is an AI-native operator-financier of the home.
What you will do
- Architect and maintain scalable microservices using NestJS and TypeScript to automate the end-to-end rental lifecycle and financial rails.
- Collaborate with AI engineers to integrate LLMs into production workflows, pushing the boundaries of how AI handles real-world property and money.
- Own the full engineering cycle by participating in DevOps, infrastructure management on GCP/GKE, and database optimization across MongoDB paradigms.
Who this is a fit for
- Strong proficiency in backend development (TypeScript/Node.js preferred) with deep experience building microservices and RESTful API architectures.
- Proven ability to manage complex data structures and event-driven systems, ideally with familiarity in MongoDB, Kubernetes, and GitOps practices.
- A first-principles thinker with an obsession for code quality and the adaptability to thrive in a fast-paced, high-stakes operational environment.
Why this role is remarkable
- Build the world's first AI-native infrastructure for the home, modernizing a fragmented industry currently split across agents, banks, and service providers.
- Backed by £2M in pre-seed funding from elite investors who previously built global financial infrastructure handling billions in daily transaction value.
- High-agency environment where your code directly manages real-world assets, financial integrations, and regulatory compliance for thousands of concurrent users.
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.
Meet Jack
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 Letly wants to meet, Jill will make the intro. In the meantime, Jack will send you excellent alternatives.