What I DidAs the primary cross-functional technical point of contact across engineering, product, and customer support, I led feature delivery on a 900,000-line enterprise event-management platform used by show managers, exhibitors, and attendees at live tradeshows.I built a real-time attendee dashboard from the ground up, featuring direct messaging, exhibitor list searching, and calendar sync, translating reported friction from support and sales into concrete system improvements. I profiled API data flows end-to-end and refactored relational data patterns, achieving a 30% application performance improvement.Beyond the code, I lead client demo calls with enterprise customers and demo the platform live at national trade shows, turning what customers ask for into scoped Jira tickets. I worked directly with stakeholders to map pain points to solutions, mentored junior engineers through the codebase, and helped ship changes that reduced user friction by 22%, protecting renewal revenue for the platform's largest enterprise accounts.