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JOHN J
@johnjamesv
API Integration Developer
Portugal
Anglais, Allemand, Espagnol
À propos de moi
Backend developer specializing in API integration, REST API, Webhook, Stripe API, ChatGPT API, Shopify API, CRM API, n8n, Make.com, and payment gateway integration. I build secure, scalable, and reliable API solutions using PHP, Node.js, and Python. From automation and third-party integrations to API debugging and custom backend development, I deliver clean code, fast communication, and quality results.
Compétences
JOHN J
hors ligne •
Temps de réponse moyen de 1 heure
Voir mes services
API & Intégrations
I will build webhook API integration and automate your workflow securely
API & Intégrations
I will develop custom API integrations for your web app
Portfolio
Expérience professionnelle
API Integration Specialist
Fiverr • Freelance
Jun 2025 - Present • 1 yr 2 mos
API Integration Specialist I specialize in connecting different applications, platforms, and business systems through APIs and automation workflows. I help businesses integrate their tools so data can move reliably between systems and repetitive processes can be automated. My work includes REST API integrations, webhooks, API authentication, JSON data handling, third-party SaaS integrations, automation workflows, troubleshooting API errors, and testing API requests and responses. I work with tools and technologies such as Postman, REST APIs, webhooks, OAuth/API keys, JSON, and automation platforms. I focus on building reliable integrations that reduce manual work, improve data flow, and help businesses connect the software they already use. Key services: REST API integration Third-party API connections Webhook setup and troubleshooting API authentication and authorization SaaS integrations Data synchronization Automation workflows API testing and debugging Integration troubleshooting
