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Full Stack Engineer

I build and maintain the systems companies run on — ERP platforms, marketplaces, and the payment flows behind them — mostly in PHP and Node.js.

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rizky-purnawan.json
{
  "role":     "Full Stack Engineer",
  "location": "Sidoarjo, Indonesia",
  "since":    2012,
  "stack":    ["PHP", "Node.js", ".NET", "Go", "Vue"],
  "focus":    ["APIs", "payments", "platforms"]
}

What I do

I build and maintain the systems businesses run on — marketplaces, property platforms, ERP, and the payment flows behind them. I’ve been working on the web since 2012, mostly in PHP and Node.js.

Much of my work involves payments and transactions, where correctness matters most. I’ve built escrow flows on Xendit, seller wallets with automated payouts, and payment integrations with Midtrans and PayFort. Alongside that, I design and maintain REST APIs, tune databases for performance, and handle the integrations that hold these systems together.

If you’re building something where transactions have to settle correctly and keep running long after launch, that’s the work I do best.

Things I’ve written

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