You will join Letty as one of the first ten engineers, building agentic AI systems that automate complex property operations. Working directly with a world-class team from Cambridge and Entrepreneur First, you'll ship production-ready code across the full stack using Python and TypeScript to transform how the real estate industry functions.
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Learn about Jack
Graduate Software Engineer at Letty
Skip the 'like button' pusher roles and join Letty as one of the first 10 engineers. We are looking for the sharpest grads from Oxford, Cambridge, and Imperial to build agentic AI systems and ship code that matters. If you want a founder’s launchpad and an elite technical environment in the heart of London, this is your seat on the rocketship.
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 using Python (FastAPI) and LLMs to automate property viewings, sales, and contractor management.
- Build seamless full-stack user experiences with TypeScript, React, and Next.js that integrate deeply with CRMs, WhatsApp, and email platforms.
- Take end-to-end responsibility for shipping features, from initial architecture to production, seeing your work impact real property agencies within days.
Who you are
Who this is a fit for
- A top-tier graduate from Oxford, Cambridge, or Imperial, either graduating in 2026 or possessing 1-2 years of professional software engineering experience.
- Strong proficiency in Python and a desire to work across the full stack, including modern frontend frameworks and cloud infrastructure on AWS/GCP.
- A fast-moving, founder-mode mindset eager to thrive in a high-intensity startup culture that prioritizes rapid shipping and collaborative in-person work.
Why this role
Why this role is remarkable
- Join a high-growth rocketship as engineer #5-10, offering a massive launchpad for future founders and immediate ownership of core architecture decisions.
- Work alongside an elite technical team, including a Cambridge ML CTO and engineers from Quant backgrounds, in a high-intensity, 5-day-a-week in-office environment.
- Backed by $5.5M in seed funding from Entrepreneurs First and high-profile angels, you will tackle one of the world's most meaningful and universal industries: real estate.
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.