I will fix or develop rest API, custom API integration

A
aniktanims
A
aniktanims
Mostofa Tanim A

Level 2

Vetted by Fiverr Pro

Mostofa Tanim A was selected by the Fiverr Pro team for their expertise.

About this gig

Need help with API integration, REST API development, or fixing a broken API workflow?

I will integrate, troubleshoot, fix, or develop custom APIs for your website, web app, mobile app, SaaS platform, or backend system. Whether you need REST API, JSON, XML, SOAP API, Stripe API, or payment gateway integration, I can provide a secure and reliable solution based on your project requirements.


Services I offer:

  • API integration
  • Custom API development
  • REST API integration
  • JSON API and XML API handling
  • SOAP API integration
  • Third-party API connection
  • Stripe API integration
  • Payment gateway integration
  • Webhook setup
  • OAuth / JWT / Token authentication
  • API bug fixing and debugging
  • Request / response troubleshooting
  • Postman API testing
  • Backend API connection
  • Data synchronization
  • Custom business workflow automation


I can help you integrate APIs:

  • Payment APIs
  • Shipping APIs
  • CRM / ERP APIs
  • eCommerce APIs
  • Supplier / inventory APIs
  • Mobile app APIs
  • SaaS platform APIs
  • Webhook-based services


Why work with me

  • Clean and maintainable code
  • Secure implementation
  • Fast communication
  • Reliable debugging
  • Scalable integration approach
  • Professional delivery


Please contact me before placing an order

Get to know Mostofa Tanim A

Mostofa Tanim A

Senior Software Engineer

5.0(70)

Level 2

Mostofa Tanim A is part of the Fiverr Pro catalog and has been hand-picked by a dedicated Fiverr Pro team for their skills and expertise.

Vetted for

  • Website Maintenance

  • FromBangladesh
  • Member sinceJun 2017
  • Avg. response time1 hour
  • Last delivery3 weeks
  • Languages

    English, Spanish
Senior Software Engineer with 14+ years building scalable web platforms, custom Shopify Plus storefronts, and headless commerce systems. I architect complex theme logic, advanced storefront data models, custom Shopify apps (public and private), and Hydrogen-based headless builds backed by the Storefront and Admin APIs. My stack includes Next.js, React, TypeScript, Node.js, Turborepo, Python, PHP, and MySQL. I design robust GraphQL and REST APIs, improve performance at scale, and deliver features that add real value to the product or stores. Knock me for anything!

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