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mashiker/README.md

Jevi Saladin Nusantara

Indonesia tax expert turned TaxTech builder.
I ship tools that remove repetitive clicks, PDF re-typing, and spreadsheet drudgery from Indonesian tax work.

alatpajak.id LinkedIn Telegram community


About

  • Indonesia tax expert with 7+ years in corporate tax (manufacturing → property → PMA manufacturing group), hands-on in tax audits, SP2DK, and litigation support.
  • Founder of alatpajak.id and bukpotrekap.id, a family of independent TaxTech products used by in-house tax teams, consultants, and SMEs in Indonesia. Not affiliated with any government body.
  • I build with AI in the loop: LLM-assisted extraction, OCR for tax documents, and coding agents. Most of my stack runs on Cloudflare Workers + D1.
  • Based in Jakarta, Indonesia. Bahasa Indonesia and English.

What I build

Product What it does Stack
e-Faktur Automation · alatpajak.id Chrome extension that replaces manual, repetitive clicks in high-volume tax invoice workflows. Credit-based, with its own billing and admin telemetry. Chrome Extension · Next.js · Firebase · Cloudflare Workers
BukpotRekap Turns withholding tax slips (bukti potong) and tax invoices from PDF into clean Excel recaps. Desktop edition runs 100% locally for privacy. Tauri 2 (Rust + React) · Python
Bukpot Express Bulk downloader for withholding tax slips (bukti potong). Live on the Chrome Web Store, source open under MIT. JavaScript · Chrome Extension
Simulasi UKP Freemium computer-based test simulator for the Indonesian tax competency exam (UKP), with question bank, timed sessions, and an AI tutor. Cloudflare Workers · D1 · Vanilla JS
Pajegi · source Searchable encyclopedia of Indonesian tax regulations with copies of the official texts. Web + desktop. Astro · Tauri 2 · Cloudflare
Dokurapi Scan an invoice or faktur on Android, OCR it with a vision model, auto-fill the fields, export to Excel. Kotlin + Jetpack Compose · Cloudflare Workers · React
Tarif Pajak ID · site Open database of Indonesian tax rates since 1983 with validity intervals, legal basis, and per-claim verification status. Free JSON API, MIT. TypeScript · Cloudflare Pages
InvoicePajak Client-side invoice generator with automatic PPN 12% and PPh 23/22/4(2) calculation. No backend, no data storage. MIT. Vite · Tailwind
Free Tax Templates Free Excel working-paper templates for Indonesian finance, accounting, and tax practitioners. Excel

Stack

TypeScript JavaScript Python Rust Kotlin Cloudflare Workers Hono Tauri Astro Next.js Excel

Principles

  • Tax first, code second. Every tool starts from a real month-end pain I have lived through.
  • Privacy by default. Desktop editions process documents locally. Nothing leaves the machine unless the user chooses.
  • Click replacement, not system integration. Browser tools only automate what a human would click on screen. They are independent third-party tools and never integrate with any external system's internals.

Connect

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  1. tarifpajakmcp tarifpajakmcp Public

    Open database of Indonesian tax rates since 1983: temporal intervals, legal basis, change history, per-claim verification status. Free JSON API + static site.

    TypeScript

  2. BukpotExpress BukpotExpress Public

    Bukpot Express — Chrome extension that bulk-downloads withholding tax slips (bukti potong). Independent third-party tool. Live on the Chrome Web Store.

    JavaScript 1

  3. pajegi pajegi Public

    Pajegi — searchable encyclopedia of Indonesian tax regulations with copies of official texts, cross-references, and change history. Astro static site + Cloudflare Workers/D1.

    JavaScript

  4. invoicepajak invoicepajak Public

    InvoicePajak — client-side invoice generator with automatic Indonesian PPN 12% and PPh 23/22/4(2) calculation. No backend, no data storage.

    JavaScript

  5. free-tax-templates free-tax-templates Public

    Kumpulan template kertas kerja Excel gratis untuk praktisi FAT & Pajak Indonesia