Hi, I'm Ratu Ramadhani

A full-stack social media mobile application (Android & iOS) built with React Native and Expo. Features include a scrollable post feed, like/comment system, user follow/unfollow, real-time Redis caching, and secure JWT authentication. Designed with animated screens, linear gradients, and a TikTok-inspired bottom-tab navigation.

A full-stack e-commerce web application featuring product browsing with infinite scroll, search, user authentication, and wishlist management. Implements SSR for home and product detail pages, and CSR for dynamic interactions like search, pagination, and wishlist.

A full-featured e-commerce REST API with an AI-powered shopping assistant. Implemented RAG (Retrieval-Augmented Generation) using Gemini AI and Hugging Face embeddings with hybrid search (semantic + keyword), Midtrans payment gateway, and transactional order management with automatic stock control.

An AI-powered travel planner web application for creating personalized trips, generating smart itineraries, managing travel schedules, and handling premium subscriptions. Completed as a fullstack developer within two weeks.

A responsive reptile catalog web application for browsing, searching, adding, editing, and deleting reptile collections. Built with localStorage data persistence, simple authentication, dynamic item management, carousel banners, and a clean card-based interface as a Phase 0 Hacktiv8 team project.

An AI-powered disaster response coordination platform that connects disaster victims with volunteers in real-time via an interactive map. Features include geolocation-based help requests, volunteer matching, urgency scoring using Gemini AI (async via BullMQ), live weather & earthquake alerts from WeatherAPI and BMKG, push notifications, image upload to Cloudinary, and JWT authentication. Built as a Hacktiv8 Phase 3 final project.

A food ordering web application built as a Hacktiv8 Phase 1 pair project. Features include session-based authentication with role-based access (seller/buyer), menu management with make support, order placement with multiple items and driver assignment, a driver dashboard, and printable invoice generation. Built with server-rendered UI using EJS templating.