Edwin

Senior API Integration & Automation Specialist.

Freelancer.com • Self-employed

May 2026 - Present • 1 mo

Developed and implemented custom API integrations for ecommerce platforms, SaaS applications, CRM systems, and business automation solutions. Integrated REST APIs, SOAP APIs, GraphQL APIs, and third-party APIs including Shopify API, WooCommerce API, Stripe API, PayPal API, Amazon API, eBay API, Google API, Facebook API, and YouTube API. Built automated workflows using Python automation, webhook integrations, API connectors, and cloud-based automation platforms. Connected websites and applications with payment gateways, inventory management systems, shipping providers, ERP software, and CRM platforms. Performed API testing, API debugging, API documentation, integration testing, system integration, and performance optimization. Developed scalable backend solutions for data synchronization, real-time data exchange, and cross-platform integrations. Automated business processes including lead generation, customer management, order processing, email automation, SMS automation, and reporting systems. Implemented secure authentication methods including OAuth, JWT, API keys, and token-based authentication. Worked with SQL Server integration, database APIs, data migration, and custom software automation projects. Delivered reliable API development services with a focus on scalability, security, efficiency, and long-term maintainability.