React Native E-Commerce Mobile UI
Cross-platform mobile commerce interface built with React Native, Expo, and TypeScript, focusing on responsive screen navigation, interactive product catalogs, and cart state management.
Mobile Frontend Developer
2025
Mobile Frontend
System Specifications & Context
Mobile shopping interfaces must maintain smooth screen transitions during catalog browsing, keep cart state synchronized across views, and handle asynchronous loading and error states reliably.
Architecture & Implementation
Built a cross-platform mobile frontend with React Native and Expo, isolating cart state management to avoid unnecessary re-renders and implementing skeleton loaders and error boundaries for asynchronous data fetching.
Technology Stack & Toolchain
Additional Engineering Projects
Explore further frontend and web application case studies.
SMP Negeri 24 Padang Institutional Web Portal & CMS
Official school web portal developed with Next.js (App Router) and Tailwind CSS, featuring a CMS for news, announcements, activity galleries, and staff directories, a school Waste Bank module with automated monthly PDF reporting, and role-based access control (RBAC).
Automotive Commerce Platform (IngStore)
Vehicle catalog and reservation web application connecting customer-facing storefront views with an administrative dashboard. Manages UI and filter state with Zustand, API fetching and caching with TanStack Query, order validation with Zod, and automated customer lead routing to active sales agents via WhatsApp.
Tropical Cyclone Trajectory Forecasting System (LSTM & ONNX)
LSTM-based tropical cyclone trajectory prediction and visualization system evaluating 12 experimental scenarios (mean Haversine error of 14.2 km and R² of 0.999). The optimal model is converted to ONNX format for direct in-browser execution via ONNX Runtime on an interactive map built with Astro Island Architecture.
Residential Property Platform (Angular Property)
Responsive property catalog interface and interactive 2D housing lot layout built with Angular components and Tailwind CSS. Implements multi-criteria property search filtering and a mortgage (KPR) installment simulation calculator powered by reactive state management (Signals & Data Binding).