Senior Game Designer

We're on a mission to create unforgettable strategy experiences. If you're curious, collaborative, and driven by impact, we’d love to meet you.At Twin Harbour Interactive, you'll step into a creative, collaborative environment where your ideas help shape the future of long-term strategy gaming. With the agility of an indie team and the reach of a global studio, we value innovation, ownership, and bold thinking.We're a passionate, multicultural crew with a flat hierarchy and a deep love for smart game design. Whether you're coding, creating, or coordinating, you'll have the freedom to make an impact—and the support to keep growing.Expect meaningful challenges, curious minds, and a work setup that fits your needs. Our games are built using C#, JavaScript/HTML5, Java, and PHP - and always with players at the center.With studios in Hamburg’s iconic St. Pauli district and sunny San Ġiljan, Malta, you’ll enjoy inspiring views, an international vibe, and a team that loves what they do.Join us as Senior Game Designer on our existing and upcoming gamesAs a Senior Game Designer, you own complex systems and features from concept to live operation. You’re hands-on with design, set a high quality bar through your craft, and help shape direction through expertise and sound judgment, not people management.You report to the Lead Game Designer and work alongside other Seniors, each bringing specialized strengths to the team. You don't manage people, but you shape how design work gets done through example, mentorship, and technical leadership.About the Supremacy FranchiseThe Supremacy Franchise has reached over 90 million players lifetime, with 2.2 million monthly active users and 300,000+ concurrent commanders in peak campaigns. Our mission: deliver best-in-class strategy experiences that challenge, engage, and reward players over weeks, months, and years.YOUR MISSIONOwn core systems and features end-to-end, from design and documentation to launch and live iterationDesign deep, long-term gameplay systems (progression, combat, economy, alliances, etc.)Set quality standards through strong specs, clear decision-making, and technical leadershipDesign with live operations in mind, using player data and feedback to iterate sustainablyBalance and tune interconnected systems for long-term retentionCollaborate closely with Tech, Art, Product, Marketing, and Community teamsContribute to roadmap discussions and long-term visionMentor other designers through feedback, reviews, and collaborationYOUR BACKSTORYProven experience shipping and iterating on live-service, F2P mobile gamesStrong system and feature design skills across complex, interconnected mechanicsExcellent design documentation and communication skillsData-informed mindset (metrics, player behavior, live feedback)Ability to lead through expertise, pragmatism, and collaborationComfort navigating constraints, ambiguity, and tradeoffsNice to HaveExperience with strategy, simulation, or management gamesPassion for grand strategy and competitive PvP systemsExperience working in hybrid or remote teamsWhy You'll Love Working With UsA Global Team, A Shared PurposeOur 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 WayWhether 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 UsAt 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 FirstWe 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 InteractiveWhere 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.