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API Integration & Website Performance Op

$50/hr Starting at $250

Need to connect your website or application with third-party services or improve its speed and reliability? I help businesses integrate modern APIs, optimize performance, and resolve technical bottlenecks that impact user experience and conversions.

I can integrate payment gateways such as Stripe and PayPal, connect CRMs and marketing platforms, implement Google APIs, OpenAI, Mailchimp, booking systems, and other third-party services. I also specialize in improving slow websites and web applications through database optimization, caching strategies, Core Web Vitals improvements, frontend optimization, and backend performance tuning.

Whether you need a new API integration, faster page load times, improved Lighthouse scores, database query optimization, or help modernizing an existing application, I can deliver clean, maintainable solutions that improve both performance and functionality.

Services include:

  • Stripe, PayPal, Klarna & other payment gateway integrations
  • CRM & third-party API integrations
  • Google APIs & OpenAI integrations
  • Mailchimp & marketing automation
  • Booking & scheduling systems
  • Website speed optimization
  • Core Web Vitals & Lighthouse improvements
  • Database & SQL optimization
  • WordPress & WooCommerce performance tuning
  • React, Next.js & full-stack application optimization


About

$50/hr Ongoing

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Need to connect your website or application with third-party services or improve its speed and reliability? I help businesses integrate modern APIs, optimize performance, and resolve technical bottlenecks that impact user experience and conversions.

I can integrate payment gateways such as Stripe and PayPal, connect CRMs and marketing platforms, implement Google APIs, OpenAI, Mailchimp, booking systems, and other third-party services. I also specialize in improving slow websites and web applications through database optimization, caching strategies, Core Web Vitals improvements, frontend optimization, and backend performance tuning.

Whether you need a new API integration, faster page load times, improved Lighthouse scores, database query optimization, or help modernizing an existing application, I can deliver clean, maintainable solutions that improve both performance and functionality.

Services include:

  • Stripe, PayPal, Klarna & other payment gateway integrations
  • CRM & third-party API integrations
  • Google APIs & OpenAI integrations
  • Mailchimp & marketing automation
  • Booking & scheduling systems
  • Website speed optimization
  • Core Web Vitals & Lighthouse improvements
  • Database & SQL optimization
  • WordPress & WooCommerce performance tuning
  • React, Next.js & full-stack application optimization


Skills & Expertise

E CommerceFront End DevelopmentJavaScriptLaravelMagentoPayment Gateway IntegrationShopifySMSSquarespaceWooCommerceWordPress

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