Lead Game Developer (Unity) (m/w/d)

We are looking for an experienced developer to lead the development of our math learning game, Mathopia. Our mission is to make mathematics understandable and enjoyable for students.

To achieve this goal, we develop a KI-gestütztes Mathe-Lernspiel for classes 5-13 with solid funding from the Film- und Medienstiftung NRW. We are building a platform that aims to become the world's best math learning game.

We are looking for a Lead Game Developer (Unity) who takes responsibility for the game development.

What makes this role special

Echte Gestaltungsmöglichkeit: As Lead Game Dev, you shape the DNA of the product from the start.

Direkter Impact: What you build is used by real students - no feature graveyard, but visible impact.

Starkes Netzwerk: Mentors from the education sector (e.g. former Klett executives), experienced advisors and a founding team with didactic expertise.

Where we stand

We are an Early-Stage Startup with a validated product idea, first prototypes (handwriting recognition) and secured funding for the next development phase.

You will work closely with a 4-person founding team with multiple years of didactic and economic experience and backend developers.

Aufgaben

Your role

As Leading Game Dev, you are responsible for the entire game development:

• Game Design and implementation of the game logic (Progression, Balancing, Rulebook)
• Implementation of the game architecture in Unity
• Integration of game mechanics (Gamification, Story-Progression, Learning Worlds Map)
• Techical decision-making responsibility for the entire game development
• Closely working with the backend team (API integration, data flow, synchronization)
• Potentially: Building and leading a game dev team

How success looks like at our company

After 6 months:

• A playable version for a learning world (class 5) with functioning KI integration
• A working setup: build pipeline, versioning, documented processes

After 2 years:

• All learning worlds for classes 5-10 are finished and live
• The game runs stably on iOS, Android, and the web
• You lead a small but powerful game dev team (2-4 people)

Qualifikation

Must-haves

• 5+ years of practical Unity experience in mobile game development with deep technical knowledge
• End-to-end expertise in mobile game development: from pre-production to release and live operation
• Ability to make pragmatic decisions under uncertainty
• High sense of responsibility and quality standards

Nice to have

• Experience with KI/ML APIs in real products
• Experience in developing educational games
• Startup or early-stage experience

Benefits

Remuneration & Benefits

• 64,000 Euro annual salary + bonuses
• Earned influence and short decision-making paths