Project Case Studies

Selected AI, backend, and data-platform work explained through the same recruiter-friendly structure: problem, solution, proof, and result.

DNDMind AI Copilot DNDMind AI Copilot Full-stack AI Dungeon Master copilot with RAG, memory retrieval, structured outputs, tool calling, and deterministic evaluation workflows. Gemini 2.5 Flash Next.js ASP.NET Core FastAPI PostgreSQL pgvector Docker RAG Enterprise RAG Knowledge Assistant Enterprise RAG Knowledge Assistant On-premise LLM assistant redesigned into a retrieval pipeline with document chunking, embeddings, vector retrieval, contextual prompts, and output handling. Qwen LLM RAG Embeddings Vector Search Backend Inference Enterprise UI NR EMAS Risk Monitoring NR EMAS Risk Monitoring Enterprise risk evaluation and monitoring platform replacing Excel-based tracking with risk registers, treatment plans, KRI monitoring, approvals, and executive dashboards. ASP.NET Core Clean Architecture Risk Register Workflow System KRI Monitoring Approval Flow Executive Dashboard Automated Data Pipeline for Executive Power BI Dashboard Automated Data Pipeline for Executive Power BI Dashboard Containerized Airflow and Spark pipeline that extracts operational data, transforms metrics, loads a PostgreSQL data mart, and feeds executive Power BI dashboards. Apache Airflow Apache Spark Docker PostgreSQL MSSQL Power BI SQL LNG Operations Visibility Dashboard LNG Operations Visibility Dashboard Operational gas monitoring dashboard that unified FSRU and onshore visibility with automated reporting, KPI trends, and executive-ready performance views. Gas Monitoring Dashboard Analytics KPI Reporting Operational Metrics Executive Dashboard LNG Corporate Website Platform LNG Corporate Website Platform Corporate website revamp for a national LNG operator, turning a static web presence into a responsive, CMS-managed digital identity platform. ASP.NET Core CMS Responsive UI SEO Analytics 5TB Telco Data to BigQuery 5TB Telco Data to BigQuery Backend synchronization workflows for national-scale modem telemetry into BigQuery, supporting centralized analytics and near real-time reporting. AWS EC2 AWS RDS Google BigQuery Apache Airflow Apache Beam Nutricia Professional LMS Nutricia Professional LMS Doctor-facing learning platform for Danone's medical-professional program, delivered on schedule and scaled to thousands of users. Next.js Lumen MySQL AWS EC2 AWS RDS Inventory Management System Inventory Management System Award-winning inventory platform replacing spreadsheet workflows with operational tracking, analytics, and reporting connectors. Blade Laravel MySQL Policy Document Management System Policy Document Management System Policy document workflow system for managing issued documents, secure transfer, and production document handling. Next.js ASP.NET Core SQL Server E-Procurement Ecosystem E-Procurement Ecosystem Procurement workflow ecosystem covering vendor, procurement, and approval flows for internal business operations. Bootstrap CodeIgniter MySQL Portal Dashboard Portal Dashboard Gas operations dashboard for internal operational visibility and backend workflow access. Blazor ASP.NET Core Bootstrap jQuery SQL Server Tokopedia Scraper API Tokopedia Scraper API API interface for scraping product data from Tokopedia using Python, Flask, BeautifulSoup, Selenium, and PostgreSQL. Python Flask BeautifulSoup Selenium PostgreSQL
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