Jack & Jill
Product Engineer (£80k-£150k + Equity) at Artificial Societies Ltd
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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.
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Job Title
Product Engineer
Salary
£80k-£150k + Equity
Company Description
Artificial Societies Ltd is a YC W25 London startup backed by Point72 Ventures and Sequoia Scout. Founded by Oxbridge behavioral scientists, they build large-scale simulated populations that allow Fortune 500 organizations to test messages and strategies against millions of AI responses with 95% accuracy, replacing months of traditional market research with hours of data.
Job Description
As a Product Engineer, you will bridge the gap between frontier AI simulation and intuitive user experiences. Working directly with the CTO and CPO, you will own vertical feature slices end-to-end, from database schema design to polished frontend interactions. You’ll transform complex simulation capabilities into reliable, high-performance tools used by the world’s most influential organizations.
Location
London, UK
Why this role is remarkable
- Work directly with the CTO and CPO in a lean, high-bar environment where ideas win based on merit rather than seniority.
- Build at the frontier of AI with backing from Y Combinator, Point72 Ventures, and Kindred Capital, alongside investors from DeepMind and Sequoia.
- Drive massive impact by putting frontier AI into the hands of Fortune 500 firms, replacing slow, expensive traditional research with instant, accurate simulations.
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What You Will Do
- Own the complete lifecycle of product features, from initial scoping and database modeling in Postgres to shipping polished TypeScript frontend interactions.
- Partner with research engineers to integrate the latest simulation engine capabilities into the user-facing product, ensuring speed, reliability, and high-stakes accuracy.
- Collaborate on product vision and design, pushing back with technical insights to ensure every feature feels intuitive and performs flawlessly at scale.
The ideal candidate
- Has at least 2+ years of experience as a software or product engineer, with a proven track record of shipping end-to-end features to users.
- Demonstrates mastery of TypeScript and proficiency in Python, with a strong instinct for product taste, latency, empty states, and micro-interactions.
- Possesses an ownership mentality, comfortable using AI coding agents like Claude Code to accelerate development while maintaining a high bar for architectural integrity.
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.
Get help with your application
Your very own career expert that helps elevate your application to the next level.
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.
“It took my CV and asked me questions relevant to understanding what kind of jobs to suggest for me. Suggestions were almost perfect. Jobs were exactly what I’ve been looking for.”
Jessica, London
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