I will integrate secure payment API, payment gateway and wallet system

F
folajulius
F
folajulius
Folajulius
Certaines informations sont présentées en anglais.
integrate secure payment API, payment gateway and wallet system
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integrate secure payment API, payment gateway and wallet system

À propos de ce service

Need a reliable payment system integrated into your website, web app, mobile app, or SaaS platform?

Im a Professional Full Stack Developer specializing in payment API integration, payment gateway integration, digital wallet systems, and secure transaction workflows.

I can integrate your preferred payment provider and connect it to your existing frontend and backend, creating a smooth payment experience while keeping transaction processing, webhooks, authentication, and data handling properly structured.

What I can build:

  • Payment API integration
  • Payment gateway integration
  • Online checkout systems
  • Card and supported payment methods
  • Digital wallet systems
  • Wallet balance management
  • Deposits and withdrawals
  • Transaction history
  • Payment status tracking
  • Webhook integration
  • Payment confirmation flows
  • Refund handling where supported
  • User payment profiles
  • Backend payment APIs
  • Admin transaction management
  • Payment notifications
  • Database transaction records
  • API authentication and secure configuration
  • Responsive payment interfaces

Payment Providers

Depending on your project and location, I can work with providers such as Stripe, PayPal, Paystack, Flutterwave, Razorpay, Coinbase and other APIs

  • Expertise

    • Localisation
    • Performance
    • Sécurité
    • Systèmes d'exploitation
    • Procédures d'essai

  • Framework frontend

    • Angular
    • Flutter
    • Next.js
    • React.js
    • Vue.js

  • Framework back-end

    • Django
    • FastAPI
    • Node.js
    • Ruby on Rails
    • firebase

Découvrez Folajulius

Folajulius

Full stack developer

  • DeÉtats-Unis
  • Membre depuissept. 2026
  • Temps de réponse moy.1 heure

  • Langues

    Anglais
I am a Professional Senior Full Stack Developer and UI/UX Designer building scalable web applications, SaaS platforms, mobile applications, and APIs using React, Next.js, Node.js, Python, and AWS I also delivers clickable Figma prototypes, so you get design and development from one expert. From concept to deployment, I focus on clean code, clear communication, and on-time delivery. Whether you need an MVP, a full product, or a redesign, I've got you covered. Let's bring your idea to life — message me today.

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