Founding Full-Stack Engineer (£180k-£210k + Equity) at Kiki Club

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 Founding Full-Stack Engineer Salary £90k-£120k + £90k Equity Company Description Kiki Club is a London-based, invite-only sublet marketplace that has raised $5.5M from Blackbird and executives from Airbnb and Facebook. By leveraging AI and mutual connections, Kiki solves the human trust problem of home-sharing, currently scaling at 30% monthly growth with over $4.7M in gross ARR. Job Description As the third founding engineer, you will own the entire tech stack alongside two others, building an AI-centric marketplace that optimizes trust over transactions. You'll ship critical iOS features using React Native and architect systems powered by proprietary social data, directly impacting Kiki’s mission to unchain one billion people from their rent. Location London, UK Why this role is remarkable Join a high-growth startup backed by Blackbird and world-class angels from Airbnb, Uber, and Canva, with two years of runway and $4.7M gross ARR.Experience true founding-level ownership, setting the technical foundations for a product growing 3x faster in London than its previous NYC market.Work in a culture that treats AI as a core productivity multiplier, allowing a small team of six to achieve outsized global impact. What You Will Do Own the end-to-end development of the iOS app using React Native, shipping features like in-app messaging and interactive map search.Architect and build an AI-driven "mutual friend" layer using a proprietary dataset of over 10,000 social conversations to verify user trust.Collaborate directly with the founders in-person at Shoreditch Exchange to evolve the tech stack across React, TypeScript, Postgres, and AWS. The ideal candidate A senior full-stack engineer with high shipping output and a deep proficiency in TypeScript, React Native, and modern cloud infrastructure.An engineer who treats AI coding tools as a central, indispensable part of their development workflow to maximize speed and quality.A first-principles thinker who can navigate vague requirements to build real products, possessing strong design judgment and a low attachment to specific implementations. 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.