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

A
andrewmitchel66
A
andrewmitchel66
Andrew Mitchell
do API development, rest API integration, node js express js backend developer
Full Screen
do API development, rest API integration, node js express js backend developer

About this gig

Are you looking for a professional backend developer to build secure, scalable, and high-performance APIs for your web or mobile application?


I specialize in developing robust backend systems, RESTful APIs, third-party API integrations, authentication systems, and database-driven applications using modern technologies and industry best practices.


Services I Offer

  •  Custom REST API Development
  •  Node.js & Express.js Backend Development
  •  Third-Party API Integration
  •  Payment Gateway Integration
  •  Authentication & Authorization Systems
  •  JWT Authentication
  •  OAuth 2.0 Integration
  •  Database Design & Optimization
  •  CRUD Operations Development
  •  Microservices Development
  •  Real-Time Applications
  •  Bug Fixing & Performance Optimization


Technologies & Tools

For Backend

  •  Node.js
  •  Express.js
  •  Python (Django, Flask)
  •  PHP (Laravel)


Databases:

  • MongoDB
  •  MySQL
  •  PostgreSQL


API Technologies:

  • RESTful APIs
  • JSON APIs
  • Webhooks Integration
  • Third-Party APIs


Authentication & Security:

  •  JWT Authentication
  •  OAuth 2.0
  •  Role-Based Access Control
  •  API Security Best Practices
  •  Password Encryption


Cloud & Deployment:

  •  AWS (Amazon Web Services)
  •  DigitalOcean
  •  VPS Deployment
  •  Linux Server Configuration


Contact Me

  • Expertise

    • Algorithms & Data structures
    • Debugging
    • Localization
    • Performance
    • Security

  • Programming language

    • JavaScript

  • Frontend framework

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

  • Backend framework

    • Laravel
    • CakePHP
    • Flask
    • NestJS
    • 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 time6 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.

Related tags