• Designed a full gamification system (daily quests, XP, avatar evolution) projected to boost user

retention by +38%

• Delivered high-fidelity mobile screens improving task completion clarity by ~45% in user testing.

• Built a complete design system & component library, reducing UI inconsistency by 90% and speeding

future screen production by 40%.

• Created high-motivation engagement loops (streaks, rewards, milestones) estimated to increase

daily active usage by +25%.

• Led the end-to-end product process, resulting in a polished MVP with a 60% reduction in complexity

compared to standard budgeting apps.