Jon Wayne Cabusbusan

Delivered product and reliability improvements across Node.js/Express/Prisma services, Next.js web, and Expo mobile apps. Hardened WhatsApp receipt workflows and concurrent upload routing; improved OCR upload reliability. Expanded reporting, exports, and subscription administration. Supported iOS/Android release readiness and delivered 80+ merged PRs with broad regression coverage.

Built a collaborative work-tracking platform with workspaces, workflow columns, tickets, sharing, comments, invitations, attachments, and admin oversight. Connected React, Next.js APIs, PostgreSQL/Drizzle, and shared TypeScript/Zod contracts. Implemented Auth.js sessions, role and workspace permissions, rate limiting, S3-compatible storage, and 83 automated test files.

Designed and launched a production website across 23 routes using Next.js 16, React 19, and TypeScript. Built 12 content/service modules with runtime switching between Sanity CMS/GROQ and static fallback data; connected 50 Sanity schema types to tested domain mappers. Added 55 automated tests and achieved Lighthouse Accessibility 100 on all 12 tested routes on mobile and desktop.

Built marketplace browsing and seller workflows for BayloCentral with Next.js, React, SWR, PostgreSQL, Prisma, Supabase Auth, and Zod. Implemented listings, search, autocomplete, filters, cart, and seller dashboard features. Developed a social feed with four post formats, likes, comments, shares, and real-time updates; protected data integrity with constraints against duplicate social actions.

Built customer and administrator browsing, ordering, payment, profile, and notification workflows with Next.js, React, TypeScript, and Firebase. Protected APIs with token verification, role-based authorization, and ownership checks. Used Firestore transactions for collision-free sequential product and order IDs, plus event-driven notifications across five order lifecycle events.

Led frontend delivery of a patient portal and hospital booking system for Apollo Medical Group, building responsive patient and administrator workflows from requirements through QA. Supported backend and database improvements to improve page responsiveness, booking reliability, and maintainability. Contributed to UI/UX, API integration, sprint reviews, regression testing, and production release.

Built the DTI Iloilo MSME Industry Map, an interactive GIS for browsing and managing local businesses with map markers, filters, admin forms, users, and statistics. Developed Next.js/TypeScript REST APIs for MSMEs, addresses, accounts, approvals, roles, and GeoJSON using Firestore and Firebase Admin SDK. Added validation, API-layer RBAC, address lifecycle management, and approval workflows.

Bachelor of Science in Software Engineering (2026). Relevant coursework: Data Structures & Algorithms, Database Systems, Software Architecture, Software Testing & Quality Management, and Machine Learning.