I will develop, integrate, and test restful and graphql apis with postman

C
clintongartes
C
clintongartes
Clinton G
develop, integrate, and test restful and graphql apis with postman
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develop, integrate, and test restful and graphql apis with postman
Full Screen
develop, integrate, and test restful and graphql apis with postmandevelop, integrate, and test restful and graphql apis with postman

About this gig

Looking for a professional API developer and tester?

I will help you develop, integrate, and test RESTful & GraphQL APIs with Postman to ensure they are reliable, scalable, and production-ready.

With expertise in API design, automation, debugging, and integration, I can make sure your API works seamlessly across your applications and third-party platforms.

RESTful API development & integration

GraphQL API development & queries/mutations setup

Postman collections & automated tests

API debugging & optimization

Authentication (OAuth2, JWT, API Keys)

Third-party API integration (Stripe, PayPal, Google, Facebook, etc.)

Detailed API documentation

I deliver secure, tested, and scalable APIs that meet your exact business requirements.

  • Expertise

    • Debugging
    • Localization
    • Performance
    • Operating systems
    • Databases

  • Programming language

    • JavaScript

  • Frontend framework

    • React.js
    • AngularJS
    • Vue.js
    • Bootstrap
    • Backbone.js

  • Backend framework

    • Django
    • Laravel
    • Spring
    • Express.js
    • Node.js

Get to know Clinton G

Clinton G
  • FromUnited States
  • Member sinceAug 2025
  • Avg. response time1 hour

  • Languages

    English, French
I’m an Expert Software Engineer with broad experience across all major programming languages including Python, Java, C, C++, JavaScript/TypeScript, PHP, and more. I specialize in building custom software, web applications, automation tools, and enterprise solutions that are fast, secure, and scalable. With deep knowledge in frontend, backend, databases, APIs, and cloud deployment, I can adapt to any stack or project requirements. My focus is on delivering clean code, optimized performance, and reliable results tailored to your needs.

Other Software Development Services I Offer

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