I will do API development, rest API integration, ai chatbot, node js express backend

A
andrewmitchel66
A
andrewmitchel66
Andrew Mitchell
do API development, rest API integration, ai chatbot, node js express backend
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do API development, rest API integration, ai chatbot, node js express backend

About this gig

I'm a skilled developer with experience in REST, SOAP, and custom API integrations. Whether it's a payment gateway, CRM, third-party service, or custom backend API Ill deliver a secure and reliable solution.


What I Offer:

  • API integration for websites/apps
  • Connect third-party services (Stripe, PayPal, Mailchimp, etc.)
  • WordPress or custom code integration
  • Custom API development
  • CRM and form API integration
  • WordPress and WooCommerce API integration
  • REST API connection
  • Custom API workflow setup
  • API debugging
  • Webhook setup
  • Authentication and tokens.


Backend Development:

  •  Node.js Development
  •  Express.js Development
  •  Python Development
  •  Django Development
  •  Flask Development
  •  PHP Laravel Development


AI Development & Automation:

  •  AI Chatbot Development
  •  AI Agents Development
  •  OpenAI Integration
  •  GPT-Powered Applications
  •  AI SaaS Development


Authentication & Security:

  •  JWT Authentication
  •  OAuth 2.0 Integration
  •  Social Login Integration
  •  User Authentication Systems
  •  Role-Based Access Control
  •  API Security Implementation


Third-Party Integrations:

  •  Stripe Integration
  •  PayPal Integration
  •  Google Maps Integration
  •  Facebook API Integration
  •  CRM Integration
  •  Email & SMS Services


Contact Me

  • Expertise

    • Debugging
    • Localization
    • Performance
    • Security
    • Source control

  • Programming language

    • PHP

  • Frontend framework

    • Bootstrap
    • jQuery
    • Next.js
    • React.js
    • Tailwind CSS

  • Backend framework

    • Laravel
    • FastAPI
    • NestJS
    • Next.js
    • Node.js

Get to know Andrew Mitchell

Andrew Mitchell

PCB Design Circuit Engineering Custom Websites and API Development

  • FromUnited States
  • Member sinceJun 2026
  • Avg. response time5 hours

  • Languages

    English, German, French, Spanish, Dutch
Hello, I'm Andrew, a professional PCB Design Engineer and Full-Stack Developer specializing in embedded systems, IoT solutions, custom website development, and API integration. I help startups, businesses, and innovators transform ideas into reliable electronic products and scalable web applications. My expertise includes PCB layout design, firmware development, ESP32, STM32, Arduino, Raspberry Pi, backend development, and third-party API integration. I focus on delivering efficient, high-performance solutions tailored to project requirements.

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