Center of IoT Innovation Laboratory

National Taiwan University of Science and Technology, Taipei

• Developed Lab Knowledge Container (LKC) LLM RAG system for tacit knowledge transfer research, using FastAPI, Milvus, and LlamaIndex with hybrid search and HyDe flow.
• Built evaluation framework using DeepEval with custom LLM judge to measure RAG performance across five metrics.

Dexa Group (PT. Inertia Utama)

Jakarta, Indonesia

• Developed E-Leaflet Application for Medical Teams using PHP Native and Bitrix. Reduced leaflet request processing time by 61% and saved ~IDR 8.5 billion (~USD 500K) in operational costs.
• Optimized Digital MR Application integrating I-Focus App with WhatsApp. Reduced server costs by ~25%.
• Built Identity Verification, Sponsorship Documents, and Payment Documents in I-Focus Application using Node.js and React.js for Dexa Sales Team.
• Developed LLM RAG system with Google Gemini API audio/text streaming for marketing team training using Milvus, Haystack, Python, and React.js.

Taiwan Experience Education Program

Center of IoT Innovation Laboratory, NTUST, Taipei

• Conducted research on Hyperledger Fabric for carbon footprint monitoring from IoT sensors, focusing on data integrity and performance metrics.
• Developed Hyperledger Fabric chaincode, simulated IoT sensors, built REST APIs in Go with MySQL/CouchDB, and created Next.js web app with Metamask/PKI security and gRPC.
• Paper accepted at ISICO 2025: "Design and Early Evaluation of a Hyperledger Fabric-Based System for Carbon Footprint Monitoring".

PT. Mitra Optima Data Solusindo

Surabaya, Indonesia

• Built web applications for inventory, accounting, and payroll systems using Next.js, TypeScript, Tailwind, Zustand, React Query, PDF.js, and PHP Laravel.
• Designed system architecture and databases with clean code and MVC principles, integrating tax APIs.
• Applied Agile methodologies with sprint planning and JIRA.
• Managed CI/CD pipelines, automated testing, Ubuntu server administration, cron jobs, Docker containerization, and GitHub Actions.
• Reviewed 5+ pull requests per week with 80%+ bug resolution success rate in QA.

Apple Developer Academy

Surabaya, Indonesia

• Applied Challenge-Based Learning (CBL) with 5-person team to solve real problems, designed MVPs, and conducted user interviews.
• Developed 3 iOS apps using UIKit and SwiftUI, publishing 1 to App Store and 2 to TestFlight.
• Gained experience in UI/UX design (Apple HIG), CI/CD, Core ML, CryptoKit, RxSwift, Texture, CocoaPods, and networking.

Simplus.id (PT. Simur Indonesia)

Surabaya, Indonesia

• Built Simplus Restaurant Menu Web Application using React.js, React Query, and Redux State Management.
• Developed Shipping Mobile Application for iOS and Android using React Native and TypeScript with map integration for location tracking.
• Designed and implemented Shipping Module API using Laravel with Domain-Driven Design Pattern within one month.