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David's Portfolio WebOS v1.0

About David Garcia Saragih

Full-stack developer building software for real operations.

Full Stack Developer specializing in production-grade web platforms and applied AI products. Proven track record turning complex manual operations into scalable systems — a fleet platform handling 2k+ daily trips for 1.4k+ users, an event ticketing system processing Rp 100M+ in sales, and HRMS architecture for aviation operations. Fluent across the stack with Next.js, Laravel, Node.js, and PostgreSQL — and capable of owning the full lifecycle from code to cloud deployment. I build end-to-end products powered by modern AI coding tools and Agent-driven workflows to ship fast without compromising quality, complemented by native Android (Kotlin) experience.

Experience

  • Software Developer at NuxaTech — - Develop, test, and maintain high-quality code according to enterprise specifications for GMF AeroAsia. - Perform rigorous risk and impact analysis before code transport or system updates to ensure operational stability. - Manage the software lifecycle within a development environment and execute deployments followin…
  • Full Stack Developer at K3V Credo Integrasi — Engineered and deployed a mission-critical fleet management platform for the JakLingko Angkot Operator (Koperasi Mikrolet Jakarta Raya) on behalf of PT K3V Credo Integrasi, digitizing end-to-end operations for 383 vehicles and 1,400+ active users. As the sole full-stack developer, transformed fragmented manual workflo…
  • Owner & Web Developer at Rental Mobil City Park — Initiated the digital transformation for a family car rental business by building a custom frontend website, optimizing and verifying the Google Maps Business Profile, and creating marketing assets (business cards, posters, professional photos). Drove strong online visibility, resulting in 1000+ monthly customer inter…
  • Coordinator of Web Division (Full Stack Developer) at UMN FESTIVAL 2025 — Engineered the official digital ecosystem for UMN Festival 2025, handling high-traffic ticket sales and event management for thousands of students and external visitors. Led the end-to-end development of a secure ticketing platform that successfully processed Rp 100,000,000+ in revenue. Key Impacts & Contributions: -…
  • Web Developer at DAAI TV — Completed a web development internship, working on frontend and backend development using PHP, MySQL, and Bootstrap.
  • IT Content Creator at David G Tech (YouTube & TikTok) — Produced web development tutorial content (Frontend, Backend, Database) on YouTube & TikTok, achieving monetization status and simplifying technical concepts for beginner audiences. Achieved YouTube Partner Program monetization eligibility, built an audience of 7.8K+ subscribers on YouTube (1.9M+ total views) and 17K+…

Education

  • Undergraduate Student, Informatics at Universitas Multimedia Nusantara