Kauje Mobile is the official mobile platform for Keluarga Alumni Universitas Jember (KAUJE), developed using Flutter. This application is built to strengthen the alumni-student ecosystem by enabling verified alumni registration, alumni data management, news and event updates, and professional networking. It integrates seamlessly with a custom Express.js backend and REST API, offering secure authentication and dynamic content management tailored for the UNEJ alumni community.

Duri Care is an end-to-end smart plantation management app for durian farms, developed with Flutter and backed by Supabase. It adopts a clean MVC structure and supports both automatic and manual irrigation control, weather-aware scheduling, real-time monitoring, and user-role segmentation (owner vs. worker). The app leverages Supabase Cron Jobs and PostgreSQL to handle IoT-triggered events, maintain irrigation logs, and manage zone-based access control effectively.

OLX Clone is a fully functional mobile marketplace app inspired by OLX, built using Flutter and applying the MVVM architecture with Provider as the state management solution. It includes key features like product listings, user authentication, chat messaging, geolocation integration (via Google Maps API), and responsive UI designed for a smooth and intuitive trading experience. Ideal as a scalable base for buy-and-sell applications with modern mobile design practices.

OLX Clone API is the backend system for the OLX Clone mobile marketplace app, built with ASP.NET Core Web API and Entity Framework Core. It offers secure and scalable RESTful endpoints for authentication, product management, image handling, and transaction flows. Key integrations include Firebase Authentication (Google Sign-In), NeonTech PostgreSQL, Google Maps API, SMTP Gmail, and Supabase Storage. Built with clean architecture and JWT-based auth, this API is ready to support modern, cloud-based mobile commerce platforms.