Developed a Flutter wellness tracking app targeting university constituents, built on an offline-first architecture where data is written to SQLite locally first, then synced to an Express.js/MongoDB backend on connectivity.

Delivered offline-capable meal tracking with on-device YOLOv11 AI detection across 95+ Filipino food classes and a gamification system to drive sustained healthy behavior.

Enabled real campus event participation by building an admin event management system with full CRUD and attendance tracking, secured via Google OAuth and role-based JWT authentication across constituent and admin flows.

Extended the Goanna rendering engine's CSS parser to support 5 comparison operators in production, modifying token scanning, expression evaluation, and serialization.

Eliminated a legacy vendor-prefixed dead codepath from the production CSS parser by refactoring style property tables, parser definitions, and computed style handling, reducing the parser codebase by 15% and enforcing modern web standards.

Delivered multiple production changes in a large C++ browser engine codebase, independently expanding beyond assigned tasks to resolve additional parser-related issues within 2 months.

Delivered full-stack internal web applications across 10+ client projects as part of a 3-person development team, owning schema design and Next.js + Tailwind frontend implementation.

Owned the full request lifecycle from API to UI, coordinating contracts with teammates before implementation to minimize integration bugs at client handoff.

Gathered and clarified requirements directly with clients, translating business needs into API contracts and technical specs that guided implementation.