Systems, products, and engineering work by David Garcia Saragih.

Projects

• Komilet Pramudi - GPS Fleet Tracking (Android App) — Android Developer

  Developed the native Android driver app for the Komilet JakLingko platform using Kotlin and Jetpack Compose, extending the web ecosystem with real-time GPS fleet tracking. Engineered a complex offline-first architecture with adaptive polling and background services to ensure accurate mileage data capture under unstable network conditions.

• Web App for Komilet - JakLingko Angkot Operator — Full-Stack Web Developer

  Developed a full-stack TypeScript web application for Komilet, one of the official JakLingko angkot operators within Jakarta's integrated public transport ecosystem (covering TransJakarta, MRT, LRT, KRL, and Mikrotrans). The system was designed for internal use by Komilet's drivers, owners, administrative staff, and management team, providing a unified plat…

• Rental Mobil City Park Website — Frontend Developer

  Solely managed and built the frontend of a car rental service simple website for a family-run business. Designed responsive UI for browsing available cars, and other informations.

• Ark Care Ministry Website — Team Lead & Backend Developer

  Volunteered to build a website for a nonprofit organization, leading the team and developing the backend system to support dynamic activity listings, content management, and user communication.

• Bali Tourism Website — Web Developer

  Developed an interactive website about Bali using React for the final project in the Introduction to Technology course. The website highlighted Bali's tourism and culture in line with the "Nusantara" theme and was showcased at a university-wide exhibition organized by HMIF Universitas Multimedia Nusantara, earning 3rd place recognition.

• Aplikasi Website Absen Sekolah — Full-Stack Developer

  Developed a responsive school attendance system from scratch using native PHP and MySQL for the FIKSI SMA 2021 competition. Implemented full frontend and backend features, including camera-based student attendance input, dynamic data visualization, and interactive dashboards with embedded maps to improve accuracy and monitoring efficiency.