Join us as Junior Game Designer on our existing and upcoming games!
Want to learn how strategy games are really made?
As a Junior Game Designer on the Supremacy Franchise, you'll work on feature design, balancing, and documentation for live games with millions of active players. Senior Designers and the Lead Game Designer will mentor you through the work, help you develop your skills, and teach you how to think like a designer.
You're learning by shipping real work. You'll contribute to features, take on design challenges, and build expertise on games that keep players engaged for months and years. Your job is growing into a designer who understands not just what works, but why
YOUR MISSION
Support feature design by working on tasks owned by Senior or Regular Designers
Help with game balancing (units, costs, rewards) using spreadsheets, playtests, and data
Create and maintain clear design documentation (mechanics, edge cases, tooltips)
Learn from live games by analyzing player feedback, metrics, and in-game behavior
Collaborate with Tech, Art, QA, and UI/UX to bring features to life
Playtest regularly, identify issues, and suggest improvements
Grow your design skills through hands-on work, mentorship, and feedback
Take initiative within your scope by spotting improvements and contributing ideas
YOUR BACKSTORY
A strong passion for strategy games, especially complex or long-term systems
Clear communication skills and a collaborative mindset
High attention to detail in design, balancing, and documentation
Comfort working with spreadsheets
Curiosity, self-motivation, and eagerness to learn and improve
Nice to Have
A portfolio with projects, mods, prototypes, or game jam work
Experience with free-to-play games, progression systems, or live operations
Familiarity with Unity
Experience in QA or playtesting
Why You'll Love Working With Us
A Global Team, A Shared Purpose
Our strength lies in our diversity. With over 30 nationalities represented across our two locations, we’re united by a shared passion for strategy games and a bold vision for the future. We celebrate what makes each of us unique – our perspectives, our stories, and the paths that led us here.
Work Your Way
Whether you're crafting code from a harbor-view desk in Hamburg or fine-tuning design details under the Maltese sun, we support flexible hybrid work models that empower you to do your best work – wherever you are.
Grow With Us
At Twin Harbour, your journey matters. Our Career Path Framework and mentorship culture provide the clarity and feedback you need to take the next step – whether you’re deepening your expertise or branching into new disciplines. We invest in your growth with language courses, e-learning platforms, and support for conferences and training.
We’re Human First
We believe that great teams are built on trust, respect, and good humor. From game nights to casual drinks, quiz nights, and karaoke, we don’t just work together – we connect, play, and support each other like a true crew.
Join Twin Harbour Interactive
Where Strategy Meets Vision.
Twin Harbour Interactive is a global strategy game powerhouse, shaping the future of long-term multiplayer gaming. With offices in Hamburg and Malta, we design strategy games that bring people together – across borders and generations.
Whether you’re an expert tactician or an imaginative world-builder, there’s a place here for you to grow, thrive, and leave your mark.
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