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$
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Mathias James
@mattcowebdev
Full Stack Developer, Payment API and Ecommerce Expert
United States
English
About me
Full Stack Software Engineer with 4+ years of experience building scalable web applications, payment integrations, and backend APIs. I specialize in React, Next.js, Node.js, NestJS, TypeScript, Shopify, and WooCommerce.My expertise includes Paypal, Stripe and Flutterwave payments, custom checkout solutions, API integrations, and payment verification. I've built production systems serving thousands of users.I help businesses develop secure, high-performing websites and seamless payment experiences with clean code, reliable delivery,and clear communication and thorough testing for every project.
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Mathias James
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API & Integrations
I will do paypal integration and stripe payment gateway setup
