Maintained and enhanced 2 production iOS apps (SeQure ID & SeQure Pro) built natively with Swift and MVVM architecture. Refactored legacy modules, integrated QR/barcode scanning capabilities for product authentication, optimized memory usage, and managed end-to-end releases on Apple App Store.

Built an enterprise document management mobile app from scratch using Flutter and Clean Architecture. Implemented multi-tier document loan approval workflows, secure in-app PDF previewing, offline-first metadata caching, and seamless role-based REST API synchronization.

Architected and developed a dual-app secondhand marketplace ecosystem (Customer & Inspector) using Flutter. Built secure escrow-backed transaction lifecycles, structured item quality inspection workflows with multi-photo uploads, and real-time order status tracking.

Engineered a 3-app food delivery ecosystem (Customer, Merchant, Driver) using Flutter. Implemented real-time GPS fleet tracking, automated order dispatching via WebSockets, responsive merchant catalog management, and in-app balance & payment integrations.

Developed a cross-platform intercity shuttle booking ecosystem comprising Passenger and Driver apps with Flutter. Implemented interactive seat selection layouts, dynamic route scheduling, live fleet GPS tracking, and automated digital ticketing.

Developed a corporate CSR program monitoring mobile app for Jasa Marga using Flutter. Implemented secure role-based data collection, interactive analytical dashboards, and led the end-to-end publishing compliance on both Apple App Store and Google Play Store.

Developed a smart pesantren ecosystem comprising a parent mobile app (Flutter) and a web admin panel (Next.js & TypeScript). Integrated student academic & attendance monitoring, cashless student pocket money via RFID/POS card integration, and automated SPP billing with Midtrans payment gateway.

Engineered a digital freelance services marketplace app using Flutter and RESTful API. Implemented interactive freelancer portfolio showcases, custom service order checkout flows, and in-app chat messaging for client-talent collaboration.

Built a digital cooperative mobile portal for Awi Sarungkun members using Flutter. Implemented real-time financial tracking for savings balances, active loan installment schedules, and secure historical ledger audits.

Developed a modern personal finance tracking application using Flutter. Engineered real-time income and expense logging, interactive budget progress visualizers with custom charts, and local data persistence for offline accessibility.

Created an interactive digital children's learning & storybook application using Flutter. Built high-performance, fluid page-turn animations, synchronized audio narration playback, and child-safe intuitive UI navigation.

Engineered a mobile form builder and survey collection app using Flutter. Developed a dynamic JSON-driven form renderer supporting diverse input types, offline response caching, and instant cloud survey synchronization.

Developed a digital profile and networking mobile app using Flutter. Built dynamic vCard generation, social link aggregation, customizable profile theme previewing, and quick QR code profile sharing.

Built a mobile travel reservation platform for tours, flights, and accommodations using Flutter. Implemented unified multi-category search filters, seamless reservation booking flows, and real-time booking history updates.

Developed an Islamic video streaming mobile application with Flutter. Implemented smooth video playback streaming, category-based content discovery, user favorites bookmarking, and personalized content feeds.

Developed a suite of 3 customized Point of Sale (POS) applications for retail, restaurant, and snack shop workflows with Flutter. Implemented digital product catalogs, real-time inventory tracking, and POS thermal Bluetooth receipt printing.

Built a mobile link-in-bio creation platform using Flutter. Developed instant custom URL redirection, multi-link profile card customizations, and link-click engagement tracking analytics.

The official responsive website for a regional political organization in West Java. It serves as the primary digital portal for public relations, highlighting organizational news, community programs, official statements, and event schedules.