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Dari sistem bertenaga AI hingga perangkat IoT — proyek yang sangat saya banggakan. Klik kartu untuk detail.

Zyrex-MES

Manufacturing Execution System — real-time production dashboard, SignalR hub, RBAC, audit logging.

ASP.NET Core 10 modular monolith + Next.js 14 industrial dark-theme dashboard. PostgreSQL 16, SignalR for live station data, full RBAC, append-only audit logs via DB triggers. Phase 1-2 shipped (72/72 tests green). Deployed in production at PT Zyrexindo manufacturing floor.

ASP.NET Core 10Next.js 14PostgreSQLSignalR

Full Stack / Backend Engineer •Done

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QC Report System

Full-stack QC PWA — barcode scanner, Excel ops, WhatsApp AI auto-report, OpenAI Vision defect analysis.

Monorepo: React+Vite frontend (PWA, webcam barcode scanner, Excel import/export, dark mode) + Express+Prisma backend. WhatsApp Cloud API bot accepts SN + defect photos, runs OpenAI Vision analysis, auto-creates JSON-schema QC reports. Local WA bot supported. Image storage on server disk, rate-limited APIs, JWT auth.

ReactExpressPrismaOpenAI Vision

Full Stack Developer •Done

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Wherehouse Inventory

Mobile-first warehouse inventory system — Expo app with barcode scanning and real-time stock tracking.

Full-stack inventory management with Expo mobile app and Express backend. Features barcode scanning, location-based stock tracking, admin bootstrap, unit tests for core logic, and Supabase integration.

ExpoReact NativeExpressSupabase

Full Stack Developer •Done

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ExcelForge

Excel template generator — Next.js web app with upload, parsing, AI-assisted template creation, and export.

Next.js App Router foundation with Tailwind CSS, Auth.js v5 (Google OAuth), Supabase client, upload API pipeline with rate limiting, XLSX/CSV structure parsing, and AI-assisted template generation.

Next.js 14Tailwind CSSAuth.js v5Supabase

Full Stack Developer •On Develop

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HelenaTools

Portable WinPE launcher — USB boot drive with 150+ utilities, CoChat AI client, INI profile management.

Delphi/Pascal portable app managing utility profiles via cp1252-encoded INI files. Includes CoChat — self-contained LLM chat client with streaming, themes, and history. WinPE-aware with dual-boot MBR/EFI grub4dos support.

Delphi/PascalWinPEINI ConfigCoChat

Lead Developer •Done

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CoChat

Self-contained LLM chat client — streaming responses, theme system, multi-provider support.

Built as part of HelenaTools ecosystem. Supports Anthropic, OpenAI, and OpenRouter via OpenAI-compatible API. Configurable system prompts, temperature control, streaming output. Pure Delphi/Pascal.

Delphi/PascalLLMStreamingMulti-Provider

Developer •Done

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