Founding AI Software Engineer (£40k-£80k + Equity) at Affinitylabs.ai at Jack & Jill/External ATS

London, England, United Kingdom -

Full Time

Start Date

Immediate

Expiry Date

07 Jun, 26

Salary

80000.0

Posted On

09 Mar, 26

Experience

0 year(s) or above

Remote Job

Yes

Telecommute

Yes

Sponsor Visa

Skills

AI-Native Development, Full-Stack Development, React, Next.js, Python, TypeScript, LLMs, Agents, Architecting, SaaS Product Building, Multi-Agent Systems, Component Libraries, Product Building, High Agency, Startup Environment

Industry

Staffing and Recruiting

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: Founding AI Software Engineer Salary: £40k-£80k + Equity Company Description: VC-backed AI venture studio Job Description: As the first engineering hire, you will build and launch multiple creator-led SaaS products from 0 to 1. Using AI-native development tools to achieve 10x shipping velocity, you'll architect scalable foundations, collaborate with high-reach content creators, and influence the technical direction of an entire portfolio of emerging startups. Location: London, UK Why this role is remarkable: Ship multiple unique products per year rather than iterating on a single feature, gaining unparalleled career velocity and product-market fit experience Secure a meaningful founding equity stake in a studio backed by top-tier VCs, positioning you as a key stakeholder in every venture built Work at the cutting edge of AI-native engineering, using LLMs and agents as core teammates to bypass boilerplate and solve complex architectural challenges What you will do: Build production-ready full-stack applications using React, Next.js, and Python, moving from prototype to pilot in days rather than weeks Architect reusable component libraries and multi-agent systems that serve as the technical engine for a portfolio of creator-led businesses Collaborate directly with world-class content creators to translate audience needs into functional software features and debug user feedback in real-time The ideal candidate: An AI-native developer who treats tools like Cursor, GitHub Copilot, or v0 as essential pair-programmers to maintain extreme shipping velocity A proven product builder with 0–4 years of experience who has successfully launched side projects, hackathon winners, or open-source tools to real users A high-agency engineer with full-stack proficiency in TypeScript and Python who thrives in ambiguous, fast-paced startup environments and takes extreme ownership 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. Next steps Step 1. Visit our website. Step 2. Click 'Talk to Jack'. Step 3. Talk to Jack so he can understand your experience and ambitions. Step 4. Jack will make sure Jill (the AI agent working for the company) considers you for this role. Step 5. If Jill thinks you're a great fit and her client wants to meet you, they will make the introduction. Step 6. If not, Jack will find you excellent alternatives. All for free. 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.

Responsibilities

As the first engineering hire, you will be responsible for building and launching multiple creator-led SaaS products from inception to launch, utilizing AI-native tools to achieve high shipping velocity. You will also architect scalable foundations, collaborate with content creators, and significantly influence the technical direction across a portfolio of emerging startups.