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carmelosparsley

Carmelo S

@carmelosparsley

Secure Payment Gateway Crypto Integration Expert

Poland
English, Spanish
About me
I am a professional Payment Gateway Developer specializing in secure, fast, and scalable payment integrations. I help businesses accept payments globally using high risk, payment merchant, crypto (BTC, USDT), and custom APIs. I deliver clean, secure code, reliable systems, and smooth user experiences. Experienced in high-risk, IPTV, subscriptions, and Web3 payments. If you need a trusted expert to build or fix your payment system, I’m ready to help.... Read more

Skills

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carmelosparsley
Carmelo S
Offline • 
Average response time: 1 hour

See my services

Installation
I will set up a secure payment gateway, crypto API payments, payment processors system
From$300 / projectMore details
Shopify
I will create payment processors, card payment gateway, shopify payment verified
From$300 / projectMore details

Work experience

Self-Employed

Payment Gateway Developer

Self-Employed • Full-time

May 2023 - Present • 3 yrs

Experienced Payment Gateway Developer specializing in secure and scalable payment integrations. Successfully integrated Stripe, PayPal, and crypto payments (BTC, USDT) into web platforms and custom systems. Developed API-based payment solutions, subscription billing systems, and high-risk payment setups including IPTV services. Focused on security, performance, and seamless user experience. Delivered multiple projects with reliable transaction handling, fraud prevention measures, and global payment support.