Hanief
Widya
Wardhana

Integrated AI automation into an Approval system at PT. Royal Sutan Agung, cutting manual review time by 80%+ — from 3 minutes to 20 seconds per approval. Features real-time data extraction and visualization for rapid operational decisions.

Implemented a LoRA adapter hot-swap system on a local LLM using llama.cpp, allowing real-time task switching without reloading base model weights into memory. Currently running 2 specialized fine-tuned adapters (trained on organic and synthetic datasets) supported by a self-improving RAG pipeline for automated submission audit and review.

Built a headless workflow automation engine in Go (n8n-like workflow concept), optimized for execution speed on local office networks and on-premise data privacy. All business logic executes on internal servers without external cloud dependencies. Paired with a lightweight Wails desktop client communicating via gRPC streaming for database operations, process monitoring, and live testing.

Maintained and redesigned 7 cross-platform Flutter apps (CRM, Approval, WMS) serving ~1,000 active users across all business units. Full UI redesigns + backend API development.

Built a B2B web platform and spare parts catalog with dynamic SEO architecture: 4 auto-generated XML sitemaps (pages, catalog, services, projects), Schema.org JSON-LD structured data (Product & BreadcrumbList), dynamic Open Graph meta tags, canonical URLs, SEO slugs, and a 6-hour server-side cache layer. Integrated with a Gemini-powered AI customer service widget. Live at mustikawijayalestari.com.

An AI-assisted stock analysis application for the Indonesia Stock Exchange (IDX). Delivers daily data-driven market summaries and stock analyses combining custom-trained XGBoost and LSTM models (using 5 years of OHLCV data), macroeconomic indicators, broker accumulation data, and news sentiment analysis.

Developed automated order cancellation and centralized MongoDB logging for PT. Bank Tabungan Negara — improving callback monitoring accuracy and transaction lifecycle visibility.

Built 3 interconnected business systems (POS, Marketplace, WMS) with a unified real-time inventory sync layer — eliminating data silos. Delivered within a tight timeline using Laravel.

Full-featured digital guestbook built from scratch in 3 weeks: digital signatures, guest management, audit trail, notification system, and real-time report generation.

Led a development team as Project Manager to build a comprehensive bookstore platform. Integrated Midtrans payment gateway for automated transactions and implemented RESTful APIs for seamless data interchange. Awarded Best Project Leader at MSIB Batch 4.

Web-based image forgery detection system using Python & Flask with machine learning. Undergraduate thesis at Universitas Negeri Semarang (GPA 3.73).