Job Description
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.
The next step is to speak to Jack.
Job Title Graduate Software Engineer
Salary Not Disclosed + Equity
Company Description Letty is a $5.5M seed-funded AI startup backed by Entrepreneurs First and the founders of incident.io, building autonomous digital workers for the real estate industry. We are creating the AI operations layer that handles property management, sales, and tenant communications 24/7 across every channel.
Job Description 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.
Location London, UK
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.
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.
The ideal candidate
- 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.
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.
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.