As one of the first ten engineers, you will build agentic AI systems that automate property operations. Working alongside a high-pedigree team from Cambridge and Entrepreneur First, you'll ship production code within days. You will contribute across the stack using Python and TypeScript to create the "Jack and Jill" of the real estate industry.
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Learn about Jack
Graduate Software Engineer at Letty
Join one of London’s hottest early-stage startups as one of the first 10 engineers. Backed by Entrepreneurs First and the founders of incident.io, this team is building the 'Jack and Jill' of real estate through agentic AI. If you're a high-performing grad from Oxford, Cambridge, or Imperial looking to ship real product alongside a world-class team of former Quant and Cambridge engineers, this is your launchpad. Skip the 'like-button' pushing at big tech and build the future of property operations in an intense, high-growth environment.
About this role
Role overview
About the company
Letty is rebuilding the real estate agency model with domain-specific digital workers that handle tenant engagement, landlord services, compliance, and maintenance.
What you'll do
What you will do
- Develop and deploy multi-agent AI systems that handle complex real estate operations across WhatsApp, email, and property platforms.
- Build and maintain a full-stack architecture using Python (FastAPI), TypeScript (React/Next.js), and AWS/GCP infrastructure.
- Collaborate directly with the founding team to iterate on product features that automate property viewings, portfolio sales, and tenant communications.
Who you are
Who this is a fit for
- Top-tier academic background from Oxford, Cambridge, or Imperial, either graduating in 2026 or with up to 2 years of professional software engineering experience.
- Proficient in Python and TypeScript with the ability to move fluidly across the entire stack from backend logic to frontend interfaces.
- Driven, high-agency individual who thrives in an intense, 5-day-per-week in-office startup environment and is excited about building production AI products.
Why this role
Why this role is remarkable
- Join as one of the first 10 engineers in an early-stage rocketship with $5.5M in seed funding from Entrepreneurs First and prominent tech founders.
- Work in a high-density talent environment alongside engineers from Cambridge, EF, and the Quant world, led by a Cambridge ML CTO.
- Experience a "YC in London" culture with a 5-day in-office setup that emphasizes fast-paced building, real architecture decisions, and immediate production impact.
Jack & Jill
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.
Meet Jack
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.
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.