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Custom API Development & Integration

$50/hr Starting at $50

Need to connect your software with third-party services or build a custom API? I develop secure, scalable APIs and backend integrations that automate workflows, synchronize business data, and eliminate manual processes. Whether you're building a new application or extending an existing platform, I deliver reliable, production-ready solutions designed for performance, security, and long-term maintainability.


Services Include

✓ Custom REST API Development
✓ Third-Party API Integrations
✓ Database Integration (PostgreSQL, MySQL, MongoDB)
✓ Authentication (JWT, OAuth, API Keys)
✓ Payment Gateway Integrations
✓ CRM & ERP Integrations
✓ Webhooks & Event-Driven Systems
✓ AI API Integration (OpenAI, Anthropic, Gemini, Ollama & more)
✓ Cloud API Development
✓ Legacy System Modernization


Platforms & Technologies

  • Stripe & PayPal
  • Twilio
  • Google APIs
  • Microsoft 365
  • Slack
  • HubSpot
  • Salesforce
  • QuickBooks
  • AWS
  • Azure
  • DigitalOcean
  • AI Platforms & LLMs
  • Custom REST APIs
  • GraphQL APIs
  • And many other third-party services


What You Can Expect

  • Clean, maintainable, production-ready code
  • Secure authentication and authorization
  • API testing with Postman and endpoint validation
  • Robust error handling and structured logging
  • Well-documented REST APIs
  • Versioned and scalable API architecture
  • Reliable communication between your applications and third-party services
  • Clear communication and regular project updates


Whether you need to build a brand-new API, integrate multiple business systems, automate data flow, or extend an existing application, I can deliver a robust solution tailored to your business needs.


Have an API, automation, or integration project? Message me with your requirements, and I'll recommend the best approach for building a secure, scalable solution that fits your business.



About

$50/hr Ongoing

Download Resume

Need to connect your software with third-party services or build a custom API? I develop secure, scalable APIs and backend integrations that automate workflows, synchronize business data, and eliminate manual processes. Whether you're building a new application or extending an existing platform, I deliver reliable, production-ready solutions designed for performance, security, and long-term maintainability.


Services Include

✓ Custom REST API Development
✓ Third-Party API Integrations
✓ Database Integration (PostgreSQL, MySQL, MongoDB)
✓ Authentication (JWT, OAuth, API Keys)
✓ Payment Gateway Integrations
✓ CRM & ERP Integrations
✓ Webhooks & Event-Driven Systems
✓ AI API Integration (OpenAI, Anthropic, Gemini, Ollama & more)
✓ Cloud API Development
✓ Legacy System Modernization


Platforms & Technologies

  • Stripe & PayPal
  • Twilio
  • Google APIs
  • Microsoft 365
  • Slack
  • HubSpot
  • Salesforce
  • QuickBooks
  • AWS
  • Azure
  • DigitalOcean
  • AI Platforms & LLMs
  • Custom REST APIs
  • GraphQL APIs
  • And many other third-party services


What You Can Expect

  • Clean, maintainable, production-ready code
  • Secure authentication and authorization
  • API testing with Postman and endpoint validation
  • Robust error handling and structured logging
  • Well-documented REST APIs
  • Versioned and scalable API architecture
  • Reliable communication between your applications and third-party services
  • Clear communication and regular project updates


Whether you need to build a brand-new API, integrate multiple business systems, automate data flow, or extend an existing application, I can deliver a robust solution tailored to your business needs.


Have an API, automation, or integration project? Message me with your requirements, and I'll recommend the best approach for building a secure, scalable solution that fits your business.



Skills & Expertise

API DevelopmentBack End DevelopmentData ManagementDatabase DevelopmentERPJavaScriptLaravelNode.jsPHPReactJSSoftware DevelopmentWeb Development

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