Project Praha is a European mobile game team operating under Athena Studio, a Vietnamese mobile game company. We are a lean, senior-focused remote team building a premium casual mobile game targeting a 2026 launch. Every role on the team carries real ownership and responsibility. We hire seniors who can lead their domain, not execute instructions. ABOUT THE ROLEYou design, balance, and stress-test all core systems, economy, progression, session flow, and content. This is a systems-first role. You will also carry content design responsibilities, including chapter themes, item naming, and tutorial scripting. There is no dedicated QA on the team — economy regression testing is an explicit ownership area for this role. RESPONSIBILITIESOwn the full economy design across session gating, in-game currency, and item/resource systems, specify, balance, and tune all threeDefine the design parameters for adaptive game systems in close collaboration with the Tech LeadDesign and calibrate all reward systems. Model progression curves, identify break points, and validate before implementationRun economic regression testing before each phase launch. Edge cases, stress states, and boundary conditionsDeliver content design: chapter themes, item names, building names, and tutorial scripts tailored to a casual mobile audienceMap IAP trigger moments, identify high-friction states in the session flow, and design monetization opportunities around themCollaborate with PM on scope prioritization. Build what is critical first, defer what is not