I will do payment integration as an expert backend API developer

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M
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Mahir Faysal

Level 1

do payment integration as an expert backend API developer
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do payment integration as an expert backend API developer
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About this gig

Need a Secure Payment Gateway for Your Website?

I'm an experienced API developer specializing in payment gateway integration for all major platforms and custom websites.

I work with Stripe, PayPal, Square, Authorize.net, QuickBooks, Paystack, and more, ensuring fast and secure API integration.


What I Offer:

  • Payment gateway integration (e.g., Stripe, PayPal, Authorize.net)
  • Custom API development
  • Secure payment data handling
  • Subscription & recurring payment setup
  • Webhook setup & testing
  • API error debugging & fixes

Why Work With Me?

  • 3+ years of experience
  • Fast response & clear communication
  • Clean, secure code
  • Ongoing support after delivery

Platforms I Support:

WordPress, Django, NodeJS, NextJS, Golang, Springboot, and more.


Got a custom or complex integration? Message me first, let's discuss your needs.

Let's get your payments flowing smoothly!

  • Expertise

    • Debugging
    • Performance
    • Security
    • Databases
    • Testing procedures

  • Programming language

    • Python

  • Frontend framework

    • React.js
    • Tailwind CSS

  • Backend framework

    • Django
    • Express.js
    • Node.js
    • Flask

Get to know Mahir Faysal

Mahir Faysal

Full Stack Web Developer, Golang, MERN, NextJS, ExpressJS, Database

4.8(7)

Level 1

  • FromBangladesh
  • Member sinceFeb 2025
  • Avg. response time1 hour
  • Last delivery3 weeks

  • Languages

    Bengali, English, German
Hello! I’m a passionate Full-Stack Web Developer with 4+ years of experience specializing in Golang, Next.js, React, Express, MongoDB, and Prisma. I build scalable full-stack apps with MonoRepo architecture and modular code. I also integrate Python-based machine learning models, handling ML engineering workflows and deployment. In 2025, I am focusing on AI-driven features, PWA development, and advanced app security. I specialize in ML engineering pipelines, training, testing, and optimizing models, then deploying them as scalable APIs. Let’s build something impactful!

My Portfolio

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