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David's Portfolio WebOS v1.0

About David Garcia Saragih

Full Stack Developer

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

  • Full Stack Developer at Whitespace Solutions
  • Full Stack Developer at K3V Credo Integrasi

    Sole full-stack developer responsible for building and maintaining a fleet management platform for JakLingko operator (Koperasi Mikrolet Jakarta Raya), serving 400+ vehicles and 1,400+ users.

  • Full Stack Developer at Vylera Labs

    - Engineered an enterprise-grade AI meeting note-taker to automate corporate documentation and action-item tracking. - Built and optimized automated management features for Google Business Profiles.

  • Software Developer at NuxaTech

    - Co-developed an enterprise HR Management System for GMF AeroAsia's operations in Oman, focusing on core feature development and system architecture. - Enhanced security and resolved critical bugs across key aviation support systems. - Engineered new features and managed technical services, optimizing workflow efficiency and ensuring system reliability.

  • 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.

  • 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 interactions and a consistent 5-star rating from 65+ reviews.

  • Frontend Developer at Visual Journalism Day

    Contributed as a frontend developer for the event website, implementing and adjusting assigned UI components using TypeScript based on committee requirements.

  • Frontend Developer at PPIFUMN2024

    Worked as a frontend developer on the PPIF UMN 2024 website, helping build and refine event pages using React and Tailwind CSS.

Education

  • Undergraduate Student, Informatics at Universitas Multimedia Nusantara