Jack & Jill
Lead Product Designer (£100k-£150k + Equity) at Pebble
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Job Title
Lead Product Designer
Salary
£100k-£150k + Equity
Company Description
Pebble is a London-based startup founded by former Google and Synthesia leaders building a generative learning world for children. Backed by founders who raised $25M+ for previous ventures, Pebble is creating a 3D adventure game where kids interact with AI characters via open-ended voice conversations to foster growth and agency.
Job Description
As Lead Product Designer, you will own Pebble’s product craft end-to-end, from UX and UI to motion and visual language. You’ll design immersive 3D experiences at the intersection of gaming and AI, implementing your work directly in the codebase to create a product that balances child-like wonder with parental trust.
Location
London, UK
Why this role is remarkable
- Join a founding team led by the first product hire at Synthesia (scaled to $100M ARR) and a second-time founder who raised $25M+ from top US investors.
- Define a new category of "generative learning" by designing a 3D world where AI characters provide unscripted, developmental value rather than passive consumption.
- Exercise total ownership over a high-polish visual aesthetic—aiming for "Monument Valley" levels of craft—while shaping the core product direction from the ground up.
Reasons to use Rodeo
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What You Will Do
- Lead the end-to-end design of the product, including UX, UI, visual identity, and high-fidelity motion for a 3D Unity-based adventure game.
- Collaborate directly with the founders to translate ambitious product strategies into simple, intuitive interactions that children and parents both love.
- Build and iterate on client-side code, bridging the gap between design and implementation to ensure every pixel and transition meets world-class standards.
The ideal candidate
- Demonstrates a portfolio of shipped products with exceptional visual sensibility, mastering typography, composition, and interaction design beyond static screens.
- Possesses strong product instincts for turning ambiguous AI capabilities, such as open-ended voice interactions, into cohesive and trustworthy user experiences.
- Has technical proficiency to implement designs within a codebase, ideally with experience or interest in Unity, C#, or similar game engines.
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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