Khemal.
ID

Portfolio

Selected Projects

Production systems and engineering experiments. Some run inside private organizational environments — closed source, fully documented.

Kasir-AI v2 sales report dashboard: net revenue, gross profit, hourly chart, and top products
Point of Sale System2026Private

Kasir-AI v2

Offline-first point-of-sale for cafes and restaurants - runs on the cashier device and stays correct when the network drops.

  • Next.js 16
  • React 19
  • NestJS 11
  • Flutter
  • PostgreSQL
  • Redis
Kasir-AI v1 cashier interface: category product catalog and order cart
Point of Sale System2026Open source

Kasir-AI v1

The first generation cashier system - a three-platform monorepo with an Express API, React dashboard, and Flutter app.

  • Express
  • TypeScript
  • React 18
  • Vite
  • Flutter
  • MySQL
PLN inventory asset list: 20 assets grouped by category with status and location
Enterprise System2026Private

PLN Batam Asset Inventory

IT asset lifecycle management for an electric utility - from procurement to disposal, with a complete audit trail.

  • React 19
  • Vite
  • Express
  • PostgreSQL
  • Node.js
  • JWT
Rakit seven-stage pipeline diagram with measurable quality gates
Developer Tooling2026In development

Rakit

An AI-driven SDLC orchestrator - a seven-stage pipeline with measurable quality gates, not just code generation.

  • TypeScript
  • Node.js
  • Turbo
  • pnpm
  • Zod
  • Fastify