Founding Game Designer
Salary: £80k–110k + Equity
Company Description: Pebble – VC-backed generative AI startup
Job Description: As the first Game Designer at Pebble, you will define the mechanics of a generative learning world for children aged 6–10. You will design the systems, constraints, and voice-driven progression for a procedural environment in Godot 4. This role bridges game design, child development, and AI to create meaningful, adaptive play.
Location: London, UK
Why this role is remarkable
- Join a founding team led by former Google and Synthesia leaders who scaled a startup from $3M to $100M ARR.
- Build the first "generative learning world," a new genre inspired by The Diamond Age where the narrative and world adapt in real‑time.
- Massive ownership as the first design hire with significant equity in a high‑growth startup backed by top‑tier US investors.
What you will do
- Design the exploration systems, pacing, and progression mechanics that drive engagement through genuine curiosity rather than dark patterns.
- Use AI tools and LLMs to prototype text, image, and voice‑driven interactions within a Godot 4 development environment.
- Define the visual identity and art direction for a procedurally generated 2D world and its central AI companion characters.
The ideal candidate
- Has shipped at least one game or interactive product where they owned core systems design, progression, and player economy.
- Demonstrates strong systems thinking, with a portfolio showing how they design rules for emergent behavior rather than fixed content.
- Is a creative generalist comfortable with Godot and prototyping quickly for a young audience of children aged 6–10.
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