Freelance Fullstack Developer at Self-Employed (2025-01 – Present)
Project-based freelance development
- Developed a custom, private ERP system for a manufacturing client to manage HR, inventory, and production workflows.
- Designed relational database schemas (MySQL) to process shift scheduling and real-time stock tracking, integrating a Node.js backend with a CodeIgniter 3 frontend.
Fullstack Software Engineer at PT Salam Pacific Indonesia Lines (SPIL) (2024-03 – Present)
Digital freight forwarding platform development
- Engineered the mobile frontend ecosystem (Flutter) for a digital freight forwarding platform, processing hundreds of daily B2B transactions across Sea, Land, and Air freight.
- Maintained and progressively refactored legacy enterprise web applications, bridging CodeIgniter 3 and Vue.js frontends with robust Go and Java backend architectures.
- Managed complex relational databases (Oracle, PostgreSQL) to support high-volume logistics data operations and legacy system integrations.
- Integrated "Forsiva," an n8n-based automation agent for customer support, reducing manual booking processing time by 40% and tracking inquiry time by 80%.
- Standardized development workflows for a 3-person team using strict Git conventions to improve code maintainability and version control.
- Deployed advanced mobile security protocols, including root/jailbreak detection and GPS spoofing prevention, for internal company applications.
Flutter Mobile Developer at Techanic (2022-01 – 2024-02)
B2B2C service marketplace development
- Developed a B2B2C service marketplace from the ground up, delivering three interconnected applications: a vendor ERP, a customer superapp, and a lightweight POS system.
- Optimized application rendering performance and resolved UI freezing on low-end devices by replacing synchronous scrolling with custom lazy-loading implementations and cursor-based API pagination.
- Integrated multiple complex payment gateways to handle service marketplace transactions.
- Collaborated directly with sales teams to conduct field research, translating user feedback into iterative UI/UX improvements.
