Jon Wayne Cabusbusan

Built and contributed to an internal work tracking platform, implementing full-stack features including workspaces, tickets, workflows, comments, attachments, invites, and admin oversight. Developed secure backend integrations and real-time updates, including RBAC and database-backed session validation.

Designed and built an end-to-end production website on Next.js with type-safe routes and API handlers, integrating Sanity CMS with a runtime-switched data source. Delivered strong quality outcomes including a test suite and Lighthouse accessibility/SEO performance across all routes.

Built product and order API routes with full CRUD functionality and admin-only Firebase Admin SDK protection via RBAC. Implemented an event-driven notification workflow across multiple order lifecycle events, including an atomic sequential ID generator to prevent duplicates under concurrent writes.

Built marketplace browsing flows including listings, categories, search, autocomplete, filters, and product detail pages. Developed a social feed with multiple post types and real-time updates, plus cart functionality and contributions to a seller dashboard using a domain-sliced UI component architecture.

Led frontend development of a patient portal and hospital booking system for patient and admin users, focusing on responsive UI/UX. Refactored backend logic and optimized database structure to reduce load times and improve reliability for high-volume booking operations.

Developed MSME and user management API routes and a GeoJSON endpoint for an Iloilo map, using reusable Firestore utility abstractions. Implemented API-layer RBAC with end-to-end TypeScript safety and Zod validation, and built an interactive map and admin dashboard.

Pursuing a B.S. in Software Engineering with coursework covering data structures, web application development, database systems, software testing, and engineering data analysis.