I provide professional payment gateway integration and crypto on-ramp/off-ramp solutions for fintech platforms, e-commerce, and Web3 applications.
What I deliver:
- Xendit integration (VA, QRIS, e-wallet, credit card — Indonesian market)
- Stripe integration (international credit card)
- Crypto On-Ramp: fiat → crypto (IDR/USD to USDC/ETH)
- Crypto Off-Ramp: crypto → fiat (USDC to IDR)
- Webhook handling & payment reconciliation
- KYC/AML compliance via Sumsub eKYC API
- JWT Auth + 2FA for transaction security
- Multi-chain support (Ethereum, Polygon, BNB Chain)
Proven track record: Built multi-chain payment platform processing 50,000+ transactions with 99.9% uptime and sub-2-second confirmation times.
Portfolio: https://krakenteam.netlify.app GitHub: https://github.com/kraken-backend
"Price is negotiable based on scope. Contact me for a free consultation!"
